SEC Info - DXP Enterprises Inc. - ‘10-K’ for 12/31/20

SEC Info℠

Home

My Interests

Help

Please Sign In

DXP Enterprises Inc. – ‘10-K’ for 12/31/20 – ‘EX-101.CAL’

On: Thursday, 3/18/21, at 5:07pm ET · For: 12/31/20 · Accession #: 1020710-21-26 · File #: 0-21513

Previous ‘10-K’: ‘10-K’ on 3/13/20 for 12/31/19 · Next: ‘10-K/A’ on 10/22/21 for 12/31/20 · Latest: ‘10-K’ on 3/11/24 for 12/31/23 · 14 References:

  As Of               Filer                 Filing    For·On·As Docs:Size

 3/18/21  DXP Enterprises Inc.              10-K       12/31/20  125:12M

Annual Report — Form 10-K
Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 10-K        Annual Report                                       HTML   1.40M 
 2: EX-4.6      Instrument Defining the Rights of Security Holders  HTML     44K 
 3: EX-21.1     Subsidiaries List                                   HTML     34K 
 4: EX-23.1     Consent of Expert or Counsel                        HTML     32K 
 5: EX-31.1     Certification -- §302 - SOA'02                      HTML     37K 
 6: EX-31.2     Certification -- §302 - SOA'02                      HTML     37K 
 7: EX-32.1     Certification -- §906 - SOA'02                      HTML     33K 
 8: EX-32.2     Certification -- §906 - SOA'02                      HTML     33K 
15: R1          Cover                                               HTML     96K 
16: R2          Consolidated Statements of Operations and           HTML    120K 
                Comprehensive Income (Loss)                                      
17: R3          Consolidated Balance Sheets                         HTML    157K 
18: R4          Consolidated Balance Sheets (Parenthetical)         HTML     47K 
19: R5          Consolidated Statements of Cash Flows               HTML    161K 
20: R6          Consolidated Statements of Equity                   HTML     78K 
21: R7          The Company                                         HTML     36K 
22: R8          Summary of Significant Accounting and Business      HTML     75K 
                Policies                                                         
23: R9          Recent Accounting Pronouncements                    HTML     48K 
24: R10         Impairment and Other Charges                        HTML     49K 
25: R11         Leases                                              HTML     72K 
26: R12         Fair Value of Financial Assets and Liabilities      HTML     55K 
27: R13         Inventories                                         HTML     40K 
28: R14         Costs and Estimated Profits on Uncompleted          HTML     54K 
                Contracts                                                        
29: R15         Property and Equipment                              HTML     43K 
30: R16         Goodwill and Other Intangible Assets                HTML     82K 
31: R17         Long-Term Debt                                      HTML     84K 
32: R18         Income Taxes                                        HTML    145K 
33: R19         Share-Based Compensation                            HTML     59K 
34: R20         Earnings Per Share Data                             HTML     61K 
35: R21         Capital Stock                                       HTML     47K 
36: R22         Sales of Common Stock                               HTML     47K 
37: R23         Business Acquisitions                               HTML     63K 
38: R24         Commitments and Contingencies                       HTML     41K 
39: R25         Employee Benefit Plans                              HTML     35K 
40: R26         Other Comprehensive Income                          HTML     36K 
41: R27         Segment and Geographical Reporting                  HTML    148K 
42: R28         Quarterly Financial Information (Unaudited)         HTML     74K 
43: R29         Related Parties Disclosures                         HTML     36K 
44: R30         Summary of Significant Accounting and Business      HTML    123K 
                Policies (Policies)                                              
45: R31         Summary of Significant Accounting and Business      HTML     53K 
                Policies (Tables)                                                
46: R32         Impairments and Other Charges (Tables)              HTML     40K 
47: R33         Leases (Tables)                                     HTML     79K 
48: R34         Fair Value of Financial Assets and Liabilities      HTML     49K 
                (Tables)                                                         
49: R35         Inventories (Tables)                                HTML     41K 
50: R36         Costs and Estimated Profits on Uncompleted          HTML     50K 
                Contracts (Tables)                                               
51: R37         Property and Equipment (Tables)                     HTML     42K 
52: R38         Goodwill and Other Intangible Assets (Tables)       HTML     88K 
53: R39         Long-Term Debt (Tables)                             HTML     78K 
54: R40         Income Taxes (Tables)                               HTML    154K 
55: R41         Share-Based Compensation (Tables)                   HTML     55K 
56: R42         Earnings Per Share Data (Tables)                    HTML     59K 
57: R43         Capital Stock (Tables)                              HTML     43K 
58: R44         Business Acquisitions (Tables)                      HTML     55K 
59: R45         Commitments and Contingencies (Tables)              HTML     48K 
60: R46         Segment and Geographical Reporting (Tables)         HTML    150K 
61: R47         Quarterly Financial Information (Unaudited)         HTML     73K 
                (Tables)                                                         
62: R48         The Company (Details)                               HTML     34K 
63: R49         SUMMARY OF SIGNIFICANT ACCOUNTING AND BUSINESS      HTML     53K 
                POLICIES - Variable Interest Entity (Details)                    
64: R50         SUMMARY OF SIGNIFICANT ACCOUNTING AND BUSINESS      HTML     42K 
                POLICIES - Changes in Allowance for Uncollectible                
                Trade Accounts Receivables (Details)                             
65: R51         SUMMARY OF SIGNIFICANT ACCOUNTING AND BUSINESS      HTML     49K 
                POLICIES - Property and Equipment (Details)                      
66: R52         SUMMARY OF SIGNIFICANT ACCOUNTING AND BUSINESS      HTML     38K 
                POLICIES - Impairment of Goodwill, Other                         
                Intangibles and Long-lived Assets (Details)                      
67: R53         SUMMARY OF SIGNIFICANT ACCOUNTING AND BUSINESS      HTML     38K 
                POLICIES - Revenue Recognition (Details)                         
68: R54         SUMMARY OF SIGNIFICANT ACCOUNTING AND BUSINESS      HTML     44K 
                POLICIES - Self-insured Insurance and Medical                    
                Claims (Details)                                                 
69: R55         IMPAIRMENTS AND OTHER CHARGES - Narrative           HTML     68K 
                (Details)                                                        
70: R56         Impairments and Other Charges (Details)             HTML     42K 
71: R57         LEASES - Narrative (Details)                        HTML     49K 
72: R58         LEASES - Lease Expense (Details)                    HTML     39K 
73: R59         LEASES - Supplemental Cash Flow Information         HTML     39K 
                (Details)                                                        
74: R60         LEASES - Supplemental Balance Sheet Information     HTML     42K 
                (Details)                                                        
75: R61         LEASES - Maturity of Lease Liabilities (Details)    HTML     54K 
76: R62         LEASES - Lease Term and Discount Rate (Details)     HTML     37K 
77: R63         FAIR VALUE OF FINANCIAL ASSETS AND LIABILITIES -    HTML     46K 
                Narrative (Details)                                              
78: R64         FAIR VALUE OF FINANCIAL ASSETS AND LIABILITIES -    HTML     52K 
                Reconciliation of Beginning and Ending Balances                  
                (Details)                                                        
79: R65         FAIR VALUE OF FINANCIAL ASSETS AND LIABILITIES -    HTML     39K 
                Quantitative Information About Level 3 (Details)                 
80: R66         Inventories (Details)                               HTML     41K 
81: R67         Costs and Estimated Profits on Uncompleted          HTML     54K 
                Contracts (Details)                                              
82: R68         Property and Equipment (Details)                    HTML     50K 
83: R69         GOODWILL AND OTHER INTANGIBLE ASSETS - Changes in   HTML     67K 
                Carrying Amount of Goodwill and Other Intangible                 
                Assets (Details)                                                 
84: R70         GOODWILL AND OTHER INTANGIBLE ASSETS - Goodwill     HTML     41K 
                Balance by Reportable Segment (Details)                          
85: R71         GOODWILL AND OTHER INTANGIBLE ASSETS - Other        HTML     48K 
                Intangible Assets (Details)                                      
86: R72         GOODWILL AND OTHER INTANGIBLE ASSETS - Estimated    HTML     59K 
                Future Annual Amortization of Intangible Assets                  
                (Details)                                                        
87: R73         LONG-TERM DEBT - Components of Long-term Debt       HTML     54K 
                (Details)                                                        
88: R74         LONG-TERM DEBT - Asset-Based Loan Facility          HTML     67K 
                (Details)                                                        
89: R75         LONG-TERM DEBT - Term Loan B (Details)              HTML     72K 
90: R76         LONG-TERM DEBT - Secured Leverage Ratio to EBITDA   HTML     57K 
                (Details)                                                        
91: R77         LONG-TERM DEBT - Interest Rate on Borrowings        HTML     40K 
                Outstanding (Details)                                            
92: R78         LONG-TERM DEBT - Extinguishment and Modification    HTML     45K 
                of Previously Existing Credit Agreement (Details)                
93: R79         LONG-TERM DEBT - Maturities of Long-term Debt       HTML     50K 
                (Details)                                                        
94: R80         INCOME TAXES - Components of Income (Loss) Before   HTML     42K 
                Income Taxes (Details)                                           
95: R81         INCOME TAXES - Provision for Income Taxes           HTML     60K 
                (Details)                                                        
96: R82         INCOME TAXES - Differences Between Income Taxes     HTML     64K 
                Computed at Statutory Income Tax Rate and                        
                Provision For Income Taxes (Details)                             
97: R83         INCOME TAXES - Deferred Tax Liabilities and Assets  HTML     83K 
                (Details)                                                        
98: R84         INCOME TAXES - Changes in Valuation Allowance for   HTML     39K 
                Deferred Tax Assets (Details)                                    
99: R85         INCOME TAXES - Changes in Unrecognized Tax          HTML     47K 
                Benefits (Details)                                               
100: R86         INCOME TAXES - Tax Carryforwards (Details)          HTML     50K  
101: R87         INCOME TAXES - Narrative (Details)                  HTML     39K  
102: R88         SHARE-BASED COMPENSATION - Narrative (Details)      HTML     72K  
103: R89         SHARE-BASED COMPENSATION - Changes in Restricted    HTML     57K  
                Stock (Details)                                                  
104: R90         EARNINGS PER SHARE DATA - Computation of Basic and  HTML     82K  
                Diluted Earnings Per Share (Details)                             
105: R91         EARNINGS PER SHARE DATA - Narrative (Details)       HTML     40K  
106: R92         CAPITAL STOCK - Narrative (Details)                 HTML     54K  
107: R93         CAPITAL STOCK - Activity of Common Stock            HTML     45K  
                Outstanding (Details)                                            
108: R94         Sales of Common Stock (Details)                     HTML     47K  
109: R95         BUSINESS ACQUISITIONS - Narrative (Details)         HTML    140K  
110: R96         BUSINESS ACQUISITIONS - Total Consideration         HTML     82K  
                Transferred and Aggregate Amount of Assets                       
                Acquired and Liabilities Assumed for 2020                        
                Acquisitions (Details)                                           
111: R97         BUSINESS ACQUISITIONS - Pro Forma Information       HTML     38K  
                (Details)                                                        
112: R98         Commitments and Contingencies (Details)             HTML     52K  
113: R99         Employee Benefit Plans (Details)                    HTML     40K  
114: R100        Other Comprehensive Income (Details)                HTML     36K  
115: R101        SEGMENT AND GEOGRAPHICAL REPORTING - Financial      HTML    132K  
                Information of Company's Segments (Details)                      
116: R102        SEGMENT AND GEOGRAPHICAL REPORTING -                HTML     63K  
                Reconciliation of Operating Income to Consolidated               
                Income (Details)                                                 
117: R103        SEGMENT AND GEOGRAPHICAL REPORTING - Narrative      HTML     44K  
                (Details)                                                        
118: R104        SEGMENT AND GEOGRAPHICAL REPORTING - Revenues by    HTML     51K  
                Geographical Location (Details)                                  
119: R105        SEGMENT AND GEOGRAPHICAL REPORTING - Property and   HTML     43K  
                Equipment by Geographical Location (Details)                     
120: R106        Quarterly Financial Information (Unaudited)         HTML     74K  
                (Details)                                                        
121: R107        Related Parties Disclosures (Details)               HTML     40K  
123: XML         IDEA XML File -- Filing Summary                      XML    231K  
14: XML         XBRL Instance -- dxpe-20201231_htm                   XML   3.03M 
122: EXCEL       IDEA Workbook of Financial Reports                  XLSX    153K  
10: EX-101.CAL  XBRL Calculations -- dxpe-20201231_cal               XML    372K 
11: EX-101.DEF  XBRL Definitions -- dxpe-20201231_def                XML   1.01M 
12: EX-101.LAB  XBRL Labels -- dxpe-20201231_lab                     XML   2.28M 
13: EX-101.PRE  XBRL Presentations -- dxpe-20201231_pre              XML   1.50M 
 9: EX-101.SCH  XBRL Schema -- dxpe-20201231                         XSD    244K 
124: JSON        XBRL Instance as JSON Data -- MetaLinks              549±   814K  
125: ZIP         XBRL Zipped Folder -- 0001020710-21-000026-xbrl      Zip    490K

‘EX-101.CAL’ — XBRL Calculations — dxpe-20201231_cal

This Exhibit is an XBRL XML File.

<?xml version="1.0" encoding="windows-1252"?>

<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">

<link:roleRef roleURI="http://www.dxpe.com/role/COVER" xlink:type="simple" xlink:href="dxpe-20201231.xsd#COVER"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/COVER" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVEINCOMELOSS" xlink:type="simple" xlink:href="dxpe-20201231.xsd#CONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVEINCOMELOSS"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVEINCOMELOSS" xlink:type="extended">

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_e246b731-e497-4d92-8813-68410a70cf5d" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_f4a0afa6-2eef-475c-b2f5-4e89d7534bc5" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetIncomeLoss"/>

<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_e246b731-e497-4d92-8813-68410a70cf5d" xlink:to="loc_us-gaap_NetIncomeLoss_f4a0afa6-2eef-475c-b2f5-4e89d7534bc5" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockDividendsIncomeStatementImpact_ae08323c-d459-4d1d-ba31-7bd59951fdb6" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PreferredStockDividendsIncomeStatementImpact"/>

<link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_e246b731-e497-4d92-8813-68410a70cf5d" xlink:to="loc_us-gaap_PreferredStockDividendsIncomeStatementImpact_ae08323c-d459-4d1d-ba31-7bd59951fdb6" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_6614ea18-0ac9-4ac7-9795-c01437153f48" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_0b81cd3c-d6c0-49ec-b6fd-cfa8551fe681" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NonoperatingIncomeExpense"/>

<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_6614ea18-0ac9-4ac7-9795-c01437153f48" xlink:to="loc_us-gaap_NonoperatingIncomeExpense_0b81cd3c-d6c0-49ec-b6fd-cfa8551fe681" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpense_524bf71e-4fb6-4eb5-a8e1-bacee6be0aa6" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InterestExpense"/>

<link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_6614ea18-0ac9-4ac7-9795-c01437153f48" xlink:to="loc_us-gaap_InterestExpense_524bf71e-4fb6-4eb5-a8e1-bacee6be0aa6" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_3eab9b44-e41a-48dd-8b40-336cbb0a6e3b" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingIncomeLoss"/>

<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_6614ea18-0ac9-4ac7-9795-c01437153f48" xlink:to="loc_us-gaap_OperatingIncomeLoss_3eab9b44-e41a-48dd-8b40-336cbb0a6e3b" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_aaf89144-a516-45bc-a3b6-f46eb5b645ac" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingIncomeLoss"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_b512ff82-0733-4e49-bd45-23af5dd4e622" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpense"/>

<link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_aaf89144-a516-45bc-a3b6-f46eb5b645ac" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_b512ff82-0733-4e49-bd45-23af5dd4e622" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_GrossProfit_619fb651-38e4-4e1d-afd5-c74b093a23e0" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_GrossProfit"/>

<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_aaf89144-a516-45bc-a3b6-f46eb5b645ac" xlink:to="loc_us-gaap_GrossProfit_619fb651-38e4-4e1d-afd5-c74b093a23e0" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_dxpe_AssetImpairmentAndOtherCharges_7af41153-4230-4472-8efc-04bf7ef15247" xlink:href="dxpe-20201231.xsd#dxpe_AssetImpairmentAndOtherCharges"/>

<link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_aaf89144-a516-45bc-a3b6-f46eb5b645ac" xlink:to="loc_dxpe_AssetImpairmentAndOtherCharges_7af41153-4230-4472-8efc-04bf7ef15247" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_6e512976-cf50-4870-a457-8628f9adcf4c" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_0399dc8d-1d92-4037-8c9d-fa8e23c185f9" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProfitLoss"/>

<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_6e512976-cf50-4870-a457-8628f9adcf4c" xlink:to="loc_us-gaap_ProfitLoss_0399dc8d-1d92-4037-8c9d-fa8e23c185f9" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_ff55c068-94da-4b99-8c1b-69675879acce" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax"/>

<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_6e512976-cf50-4870-a457-8628f9adcf4c" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_ff55c068-94da-4b99-8c1b-69675879acce" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_GrossProfit_d860358c-1114-4cec-a931-300972670f16" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_GrossProfit"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_ee0f26d3-fca5-4a52-80c8-68ca16fb3c20" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CostOfGoodsAndServicesSold"/>

<link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_GrossProfit_d860358c-1114-4cec-a931-300972670f16" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSold_ee0f26d3-fca5-4a52-80c8-68ca16fb3c20" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_6c286b78-ca05-483a-972d-47d4b23cad61" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>

<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_GrossProfit_d860358c-1114-4cec-a931-300972670f16" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_6c286b78-ca05-483a-972d-47d4b23cad61" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_bea17a47-2090-482d-8dd1-55d52b8f6f30" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetIncomeLoss"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_82880654-6df4-4191-9c3b-1b55b1b5c043" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProfitLoss"/>

<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_bea17a47-2090-482d-8dd1-55d52b8f6f30" xlink:to="loc_us-gaap_ProfitLoss_82880654-6df4-4191-9c3b-1b55b1b5c043" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_34ccbdb6-46b5-45d7-9037-22b8d3ea74a4" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest"/>

<link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_bea17a47-2090-482d-8dd1-55d52b8f6f30" xlink:to="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_34ccbdb6-46b5-45d7-9037-22b8d3ea74a4" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_b89f5313-9032-4d2a-8b5c-c24852b8bd70" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProfitLoss"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_b224d6f5-11fb-47d1-9e9c-391dc44d89a4" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit"/>

<link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ProfitLoss_b89f5313-9032-4d2a-8b5c-c24852b8bd70" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_b224d6f5-11fb-47d1-9e9c-391dc44d89a4" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_4d618bb5-266f-42b3-8d4d-dc1c7f13a687" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>

<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ProfitLoss_b89f5313-9032-4d2a-8b5c-c24852b8bd70" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_4d618bb5-266f-42b3-8d4d-dc1c7f13a687" xlink:type="arc"/>

</link:calculationLink>

<link:roleRef roleURI="http://www.dxpe.com/role/CONSOLIDATEDBALANCESHEETS" xlink:type="simple" xlink:href="dxpe-20201231.xsd#CONSOLIDATEDBALANCESHEETS"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/CONSOLIDATEDBALANCESHEETS" xlink:type="extended">

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_60deea82-b81a-4766-b7f4-8da850f57ffc" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockholdersEquity"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapital_4aae6619-baae-4086-9ace-c2c875e9f814" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AdditionalPaidInCapital"/>

<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_60deea82-b81a-4766-b7f4-8da850f57ffc" xlink:to="loc_us-gaap_AdditionalPaidInCapital_4aae6619-baae-4086-9ace-c2c875e9f814" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockValue_468a17cc-91bc-4f86-90af-4097c21bc348" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommonStockValue"/>

<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_60deea82-b81a-4766-b7f4-8da850f57ffc" xlink:to="loc_us-gaap_CommonStockValue_468a17cc-91bc-4f86-90af-4097c21bc348" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_0aa2b85f-62a5-47d0-bd02-9a65d1a911bf" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>

<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_60deea82-b81a-4766-b7f4-8da850f57ffc" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_0aa2b85f-62a5-47d0-bd02-9a65d1a911bf" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_9f781c01-c9ab-4e95-ac8c-93f31c48025a" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>

<link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_60deea82-b81a-4766-b7f4-8da850f57ffc" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_9f781c01-c9ab-4e95-ac8c-93f31c48025a" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockValue_b85c92c3-ec2d-4384-9625-5645228b0a1c" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PreferredStockValue"/>

<link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_60deea82-b81a-4766-b7f4-8da850f57ffc" xlink:to="loc_us-gaap_PreferredStockValue_b85c92c3-ec2d-4384-9625-5645228b0a1c" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_11abfcfa-e6da-436e-ba4a-4f59b3ca3cf6" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_Assets"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_81cde5ad-f2a0-4834-9431-95ecb1441d12" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AssetsCurrent"/>

<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_11abfcfa-e6da-436e-ba4a-4f59b3ca3cf6" xlink:to="loc_us-gaap_AssetsCurrent_81cde5ad-f2a0-4834-9431-95ecb1441d12" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_d24d280a-0070-4420-b023-e114a0865ab5" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>

<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_11abfcfa-e6da-436e-ba4a-4f59b3ca3cf6" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_d24d280a-0070-4420-b023-e114a0865ab5" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_1b13d6c2-f470-476e-a971-f6507f5a6aa5" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_Goodwill"/>

<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_11abfcfa-e6da-436e-ba4a-4f59b3ca3cf6" xlink:to="loc_us-gaap_Goodwill_1b13d6c2-f470-476e-a971-f6507f5a6aa5" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_7daee1d0-ef50-4301-a265-900b4eacfe86" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill"/>

<link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_11abfcfa-e6da-436e-ba4a-4f59b3ca3cf6" xlink:to="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_7daee1d0-ef50-4301-a265-900b4eacfe86" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_48589531-b831-4bc2-9dd2-4e880d21164e" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLeaseRightOfUseAsset"/>

<link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_11abfcfa-e6da-436e-ba4a-4f59b3ca3cf6" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_48589531-b831-4bc2-9dd2-4e880d21164e" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_d0f668e2-f659-43ef-9b59-6432ea020501" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherAssetsNoncurrent"/>

<link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_11abfcfa-e6da-436e-ba4a-4f59b3ca3cf6" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_d0f668e2-f659-43ef-9b59-6432ea020501" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_99cb1b8e-21cc-42ea-9d39-26d076a00342" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_Liabilities"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_1ea92026-0af0-4cd7-8782-b13c12c7b88a" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LiabilitiesCurrent"/>

<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_99cb1b8e-21cc-42ea-9d39-26d076a00342" xlink:to="loc_us-gaap_LiabilitiesCurrent_1ea92026-0af0-4cd7-8782-b13c12c7b88a" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesNoncurrent_85837363-f37b-401d-be48-81f88f88933a" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LiabilitiesNoncurrent"/>

<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_99cb1b8e-21cc-42ea-9d39-26d076a00342" xlink:to="loc_us-gaap_LiabilitiesNoncurrent_85837363-f37b-401d-be48-81f88f88933a" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_0d07014e-470a-45f1-9c13-fa2cd56a89f3" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AssetsCurrent"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_3e16cf38-d09b-4da9-8c31-1f0ec2146c94" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent"/>

<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_0d07014e-470a-45f1-9c13-fa2cd56a89f3" xlink:to="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_3e16cf38-d09b-4da9-8c31-1f0ec2146c94" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNet_192e34f7-e347-401c-9818-90721db1dbea" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InventoryNet"/>

<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_0d07014e-470a-45f1-9c13-fa2cd56a89f3" xlink:to="loc_us-gaap_InventoryNet_192e34f7-e347-401c-9818-90721db1dbea" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxesReceivable_10030c4f-6984-499b-beeb-0e0080a30922" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeTaxesReceivable"/>

<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_0d07014e-470a-45f1-9c13-fa2cd56a89f3" xlink:to="loc_us-gaap_IncomeTaxesReceivable_10030c4f-6984-499b-beeb-0e0080a30922" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_ffaa7f3b-45cb-4f2a-a956-3f8b5db4e74f" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccountsReceivableNetCurrent"/>

<link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_0d07014e-470a-45f1-9c13-fa2cd56a89f3" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_ffaa7f3b-45cb-4f2a-a956-3f8b5db4e74f" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCash_6c650e8e-c6c1-4508-ba68-f4e651f0b195" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RestrictedCash"/>

<link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_0d07014e-470a-45f1-9c13-fa2cd56a89f3" xlink:to="loc_us-gaap_RestrictedCash_6c650e8e-c6c1-4508-ba68-f4e651f0b195" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_abfb30be-0093-4cc4-b259-edde9bf52a6f" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>

<link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_0d07014e-470a-45f1-9c13-fa2cd56a89f3" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_abfb30be-0093-4cc4-b259-edde9bf52a6f" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerAssetNetCurrent_11f788ab-e9f7-4610-a176-426dfbd8f092" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ContractWithCustomerAssetNetCurrent"/>

<link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_0d07014e-470a-45f1-9c13-fa2cd56a89f3" xlink:to="loc_us-gaap_ContractWithCustomerAssetNetCurrent_11f788ab-e9f7-4610-a176-426dfbd8f092" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_fe41a9c1-1e38-4cf1-b3ba-e2fdb37cd206" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_a8466551-98a1-495b-bb9e-2662d1a5403e" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockholdersEquity"/>

<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_fe41a9c1-1e38-4cf1-b3ba-e2fdb37cd206" xlink:to="loc_us-gaap_StockholdersEquity_a8466551-98a1-495b-bb9e-2662d1a5403e" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterest_21812cdb-1f66-4f7b-997b-f5a2520cdc15" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_MinorityInterest"/>

<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_fe41a9c1-1e38-4cf1-b3ba-e2fdb37cd206" xlink:to="loc_us-gaap_MinorityInterest_21812cdb-1f66-4f7b-997b-f5a2520cdc15" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_8b48c144-4810-4580-a6bf-5df61fd9e0c2" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_9e9859cf-e5c3-4320-a9bc-790479487039" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LiabilitiesCurrent"/>

<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_8b48c144-4810-4580-a6bf-5df61fd9e0c2" xlink:to="loc_us-gaap_LiabilitiesCurrent_9e9859cf-e5c3-4320-a9bc-790479487039" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesNoncurrent_83401e8d-a10b-4617-b739-74e4f7069732" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LiabilitiesNoncurrent"/>

<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_8b48c144-4810-4580-a6bf-5df61fd9e0c2" xlink:to="loc_us-gaap_LiabilitiesNoncurrent_83401e8d-a10b-4617-b739-74e4f7069732" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_c29473c2-b836-4113-be47-cf068cd0d689" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>

<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_8b48c144-4810-4580-a6bf-5df61fd9e0c2" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_c29473c2-b836-4113-be47-cf068cd0d689" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingencies_6e4cbcfa-181f-4928-b783-5d6ff97d4074" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommitmentsAndContingencies"/>

<link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_8b48c144-4810-4580-a6bf-5df61fd9e0c2" xlink:to="loc_us-gaap_CommitmentsAndContingencies_6e4cbcfa-181f-4928-b783-5d6ff97d4074" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_8c3a52f8-bc31-421e-8540-0a6eceba0eb4" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LiabilitiesCurrent"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtCurrent_26064552-25b8-4064-ab9d-a871037c3c54" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongTermDebtCurrent"/>

<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_8c3a52f8-bc31-421e-8540-0a6eceba0eb4" xlink:to="loc_us-gaap_LongTermDebtCurrent_26064552-25b8-4064-ab9d-a871037c3c54" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableTradeCurrent_43092a18-c6a6-421e-a8ef-ddd408e5ee97" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccountsPayableTradeCurrent"/>

<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_8c3a52f8-bc31-421e-8540-0a6eceba0eb4" xlink:to="loc_us-gaap_AccountsPayableTradeCurrent_43092a18-c6a6-421e-a8ef-ddd408e5ee97" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_9e6b21d8-af1b-4bc0-81b5-91ff017125c2" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EmployeeRelatedLiabilitiesCurrent"/>

<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_8c3a52f8-bc31-421e-8540-0a6eceba0eb4" xlink:to="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_9e6b21d8-af1b-4bc0-81b5-91ff017125c2" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_dxpe_ContractWithCustomerLiabilityCustomerAdvancesCurrent_4a113b39-f778-49b7-a0ae-65df4f2bfb32" xlink:href="dxpe-20201231.xsd#dxpe_ContractWithCustomerLiabilityCustomerAdvancesCurrent"/>

<link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_8c3a52f8-bc31-421e-8540-0a6eceba0eb4" xlink:to="loc_dxpe_ContractWithCustomerLiabilityCustomerAdvancesCurrent_4a113b39-f778-49b7-a0ae-65df4f2bfb32" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityCurrent_f44cd6f8-84e7-4a9f-a1ef-760f5090a8c8" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ContractWithCustomerLiabilityCurrent"/>

<link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_8c3a52f8-bc31-421e-8540-0a6eceba0eb4" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityCurrent_f44cd6f8-84e7-4a9f-a1ef-760f5090a8c8" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesCurrent_767ad951-778e-4b49-aece-ea51a140825b" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherLiabilitiesCurrent"/>

<link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_8c3a52f8-bc31-421e-8540-0a6eceba0eb4" xlink:to="loc_us-gaap_OtherLiabilitiesCurrent_767ad951-778e-4b49-aece-ea51a140825b" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityCurrent_428e4f86-c1f9-4a6d-9550-882b3a1d8431" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLeaseLiabilityCurrent"/>

<link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_8c3a52f8-bc31-421e-8540-0a6eceba0eb4" xlink:to="loc_us-gaap_OperatingLeaseLiabilityCurrent_428e4f86-c1f9-4a6d-9550-882b3a1d8431" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesNoncurrent_d821bbce-1461-472e-8845-f34e990db313" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LiabilitiesNoncurrent"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_70f9b6de-01a8-4ff0-b029-3b9e9966d171" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongTermDebtNoncurrent"/>

<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesNoncurrent_d821bbce-1461-472e-8845-f34e990db313" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_70f9b6de-01a8-4ff0-b029-3b9e9966d171" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_b2dd9804-2ffb-447f-a5d6-b76ef6982062" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent"/>

<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesNoncurrent_d821bbce-1461-472e-8845-f34e990db313" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_b2dd9804-2ffb-447f-a5d6-b76ef6982062" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_7fbf886c-7584-4daa-850c-4f2142e4b731" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent"/>

<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesNoncurrent_d821bbce-1461-472e-8845-f34e990db313" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_7fbf886c-7584-4daa-850c-4f2142e4b731" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_5363192d-edcb-414c-ab90-ba5e4f6fe783" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredIncomeTaxLiabilitiesNet"/>

<link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesNoncurrent_d821bbce-1461-472e-8845-f34e990db313" xlink:to="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_5363192d-edcb-414c-ab90-ba5e4f6fe783" xlink:type="arc"/>

</link:calculationLink>

<link:roleRef roleURI="http://www.dxpe.com/role/CONSOLIDATEDBALANCESHEETSParenthetical" xlink:type="simple" xlink:href="dxpe-20201231.xsd#CONSOLIDATEDBALANCESHEETSParenthetical"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/CONSOLIDATEDBALANCESHEETSParenthetical" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" xlink:type="simple" xlink:href="dxpe-20201231.xsd#CONSOLIDATEDSTATEMENTSOFCASHFLOWS"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" xlink:type="extended">

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_3c7d052f-cd82-4e37-93db-3f778cb01c77" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_b9bc231b-808c-484f-9960-2f1fbf7c240e" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/>

<link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_3c7d052f-cd82-4e37-93db-3f778cb01c77" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_b9bc231b-808c-484f-9960-2f1fbf7c240e" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_6d16c843-6d3e-4cdf-89fe-91a84a7e3555" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment"/>

<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_3c7d052f-cd82-4e37-93db-3f778cb01c77" xlink:to="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_6d16c843-6d3e-4cdf-89fe-91a84a7e3555" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesGross_2e7d0e46-1ccd-45a0-b010-c5bc536bc1f2" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesGross"/>

<link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_3c7d052f-cd82-4e37-93db-3f778cb01c77" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessesGross_2e7d0e46-1ccd-45a0-b010-c5bc536bc1f2" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_79799698-844e-4a6a-a16b-c701ac3dcc57" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_b2268bd2-72f9-4e6d-ae71-67733ce2fd0a" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>

<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_79799698-844e-4a6a-a16b-c701ac3dcc57" xlink:to="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_b2268bd2-72f9-4e6d-ae71-67733ce2fd0a" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_b6f0f51a-8e3f-48e3-a8e8-3844bf9d7665" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>

<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_79799698-844e-4a6a-a16b-c701ac3dcc57" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_b6f0f51a-8e3f-48e3-a8e8-3844bf9d7665" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_695717ca-bfb8-4d71-ae4b-1e391e747eac" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>

<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_79799698-844e-4a6a-a16b-c701ac3dcc57" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_695717ca-bfb8-4d71-ae4b-1e391e747eac" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_8c31c930-bd1d-4fb9-be2c-f0e9c11bb737" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>

<link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_79799698-844e-4a6a-a16b-c701ac3dcc57" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_8c31c930-bd1d-4fb9-be2c-f0e9c11bb737" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_9c841f95-56b4-457d-95e0-81b77b57d25b" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfDebt_1806955e-e4c5-477e-87d0-4715df2bd225" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProceedsFromIssuanceOfDebt"/>

<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_9c841f95-56b4-457d-95e0-81b77b57d25b" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfDebt_1806955e-e4c5-477e-87d0-4715df2bd225" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_5ad26c20-b597-4ea6-85f5-867e88ff2e08" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock"/>

<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_9c841f95-56b4-457d-95e0-81b77b57d25b" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_5ad26c20-b597-4ea6-85f5-867e88ff2e08" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfLongTermDebt_dfb86f29-6eeb-461d-be92-3466942e730a" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RepaymentsOfLongTermDebt"/>

<link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_9c841f95-56b4-457d-95e0-81b77b57d25b" xlink:to="loc_us-gaap_RepaymentsOfLongTermDebt_dfb86f29-6eeb-461d-be92-3466942e730a" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDebtIssuanceCosts_d1941fca-532a-453f-96c1-676ab3bd1e62" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PaymentsOfDebtIssuanceCosts"/>

<link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_9c841f95-56b4-457d-95e0-81b77b57d25b" xlink:to="loc_us-gaap_PaymentsOfDebtIssuanceCosts_d1941fca-532a-453f-96c1-676ab3bd1e62" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentForContingentConsiderationLiabilityFinancingActivities_e84efb25-d8b0-46e9-aeed-eaa6b9c56a82" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PaymentForContingentConsiderationLiabilityFinancingActivities"/>

<link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_9c841f95-56b4-457d-95e0-81b77b57d25b" xlink:to="loc_us-gaap_PaymentForContingentConsiderationLiabilityFinancingActivities_e84efb25-d8b0-46e9-aeed-eaa6b9c56a82" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromMinorityShareholders_1e49acf8-0c5b-497e-b821-3bcd75265166" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProceedsFromMinorityShareholders"/>

<link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_9c841f95-56b4-457d-95e0-81b77b57d25b" xlink:to="loc_us-gaap_ProceedsFromMinorityShareholders_1e49acf8-0c5b-497e-b821-3bcd75265166" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDividends_2d9299e2-da90-4fab-b18f-1c42c247c620" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PaymentsOfDividends"/>

<link:calculationArc order="7" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_9c841f95-56b4-457d-95e0-81b77b57d25b" xlink:to="loc_us-gaap_PaymentsOfDividends_2d9299e2-da90-4fab-b18f-1c42c247c620" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_f85a4bf7-113f-4b1b-89f7-af5728524661" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation"/>

<link:calculationArc order="8" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_9c841f95-56b4-457d-95e0-81b77b57d25b" xlink:to="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_f85a4bf7-113f-4b1b-89f7-af5728524661" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_c143d532-41b7-4ddc-86dd-4e26a52bfc4c" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_1723bd53-5c7d-47c8-be74-429d23f0a256" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProfitLoss"/>

<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_c143d532-41b7-4ddc-86dd-4e26a52bfc4c" xlink:to="loc_us-gaap_ProfitLoss_1723bd53-5c7d-47c8-be74-429d23f0a256" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_Depreciation_fa701e29-4ccb-4bff-b475-4ea24e15b59c" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_Depreciation"/>

<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_c143d532-41b7-4ddc-86dd-4e26a52bfc4c" xlink:to="loc_us-gaap_Depreciation_fa701e29-4ccb-4bff-b475-4ea24e15b59c" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_3c7f4c0c-fca2-447d-ba7c-f4156f6a7a28" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AmortizationOfIntangibleAssets"/>

<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_c143d532-41b7-4ddc-86dd-4e26a52bfc4c" xlink:to="loc_us-gaap_AmortizationOfIntangibleAssets_3c7f4c0c-fca2-447d-ba7c-f4156f6a7a28" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProvisionForDoubtfulAccounts_3392b965-40d8-4a77-85b8-defbf37e4bf1" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProvisionForDoubtfulAccounts"/>

<link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_c143d532-41b7-4ddc-86dd-4e26a52bfc4c" xlink:to="loc_us-gaap_ProvisionForDoubtfulAccounts_3392b965-40d8-4a77-85b8-defbf37e4bf1" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_dxpe_BusinessCombinationContingentConsiderationArrangementsChangeinAmountofContingentConsiderationinExcessofFairValue_b626d618-a6df-45e4-a9df-da6cf1aea569" xlink:href="dxpe-20201231.xsd#dxpe_BusinessCombinationContingentConsiderationArrangementsChangeinAmountofContingentConsiderationinExcessofFairValue"/>

<link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_c143d532-41b7-4ddc-86dd-4e26a52bfc4c" xlink:to="loc_dxpe_BusinessCombinationContingentConsiderationArrangementsChangeinAmountofContingentConsiderationinExcessofFairValue_b626d618-a6df-45e4-a9df-da6cf1aea569" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfFinancingCosts_89602097-364a-4118-9b51-29a51f9063ac" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AmortizationOfFinancingCosts"/>

<link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_c143d532-41b7-4ddc-86dd-4e26a52bfc4c" xlink:to="loc_us-gaap_AmortizationOfFinancingCosts_89602097-364a-4118-9b51-29a51f9063ac" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1_f2f40042-f226-4166-b90b-a8b60a524c10" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1"/>

<link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_c143d532-41b7-4ddc-86dd-4e26a52bfc4c" xlink:to="loc_us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1_f2f40042-f226-4166-b90b-a8b60a524c10" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_d64c5292-3e12-42ec-839e-38492750a217" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt"/>

<link:calculationArc order="8" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_c143d532-41b7-4ddc-86dd-4e26a52bfc4c" xlink:to="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_d64c5292-3e12-42ec-839e-38492750a217" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_74c62d92-b324-4231-bf67-51bf9f887286" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_GainLossOnSaleOfPropertyPlantEquipment"/>

<link:calculationArc order="9" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_c143d532-41b7-4ddc-86dd-4e26a52bfc4c" xlink:to="loc_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_74c62d92-b324-4231-bf67-51bf9f887286" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_c0c3af88-72d8-42de-839c-2aeb25b1a650" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensation"/>

<link:calculationArc order="10" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_c143d532-41b7-4ddc-86dd-4e26a52bfc4c" xlink:to="loc_us-gaap_ShareBasedCompensation_c0c3af88-72d8-42de-839c-2aeb25b1a650" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_ac48b839-be70-4277-bf5b-cc98ac5ca76d" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit"/>

<link:calculationArc order="11" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_c143d532-41b7-4ddc-86dd-4e26a52bfc4c" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_ac48b839-be70-4277-bf5b-cc98ac5ca76d" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities_66b9c37a-13f2-4fb0-b704-7af6235e2ffc" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities"/>

<link:calculationArc order="12" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_c143d532-41b7-4ddc-86dd-4e26a52bfc4c" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities_66b9c37a-13f2-4fb0-b704-7af6235e2ffc" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_f09627a5-cd7d-4ff1-8c37-57cee0bdeecf" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable"/>

<link:calculationArc order="13" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_c143d532-41b7-4ddc-86dd-4e26a52bfc4c" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_f09627a5-cd7d-4ff1-8c37-57cee0bdeecf" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInContractWithCustomerAsset_c5f55012-5146-471d-ba9a-ce0485b131a8" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInContractWithCustomerAsset"/>

<link:calculationArc order="14" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_c143d532-41b7-4ddc-86dd-4e26a52bfc4c" xlink:to="loc_us-gaap_IncreaseDecreaseInContractWithCustomerAsset_c5f55012-5146-471d-ba9a-ce0485b131a8" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInInventories_c0468b63-b8d7-4a03-829c-e0dcae79646b" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInInventories"/>

<link:calculationArc order="15" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_c143d532-41b7-4ddc-86dd-4e26a52bfc4c" xlink:to="loc_us-gaap_IncreaseDecreaseInInventories_c0468b63-b8d7-4a03-829c-e0dcae79646b" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_6b7e2aee-8bdd-4505-87e1-24eda8963eee" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets"/>

<link:calculationArc order="16" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_c143d532-41b7-4ddc-86dd-4e26a52bfc4c" xlink:to="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_6b7e2aee-8bdd-4505-87e1-24eda8963eee" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_dxpe_AssetImpairmentAndOtherCharges_cb1b3070-fe98-47ef-826e-ded9a6e6c2b9" xlink:href="dxpe-20201231.xsd#dxpe_AssetImpairmentAndOtherCharges"/>

<link:calculationArc order="17" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_c143d532-41b7-4ddc-86dd-4e26a52bfc4c" xlink:to="loc_dxpe_AssetImpairmentAndOtherCharges_cb1b3070-fe98-47ef-826e-ded9a6e6c2b9" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_29d70010-c5b8-4791-9a69-fb2dfe73251f" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities"/>

<link:calculationArc order="18" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_c143d532-41b7-4ddc-86dd-4e26a52bfc4c" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_29d70010-c5b8-4791-9a69-fb2dfe73251f" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInContractWithCustomerLiability_61b6292a-6c11-4155-a660-8dad6a58be2b" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInContractWithCustomerLiability"/>

<link:calculationArc order="19" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_c143d532-41b7-4ddc-86dd-4e26a52bfc4c" xlink:to="loc_us-gaap_IncreaseDecreaseInContractWithCustomerLiability_61b6292a-6c11-4155-a660-8dad6a58be2b" xlink:type="arc"/>

</link:calculationLink>

<link:roleRef roleURI="http://www.dxpe.com/role/CONSOLIDATEDSTATEMENTSOFEQUITY" xlink:type="simple" xlink:href="dxpe-20201231.xsd#CONSOLIDATEDSTATEMENTSOFEQUITY"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/CONSOLIDATEDSTATEMENTSOFEQUITY" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/THECOMPANY" xlink:type="simple" xlink:href="dxpe-20201231.xsd#THECOMPANY"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/THECOMPANY" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/THECOMPANYDetails" xlink:type="simple" xlink:href="dxpe-20201231.xsd#THECOMPANYDetails"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/THECOMPANYDetails" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGANDBUSINESSPOLICIES" xlink:type="simple" xlink:href="dxpe-20201231.xsd#SUMMARYOFSIGNIFICANTACCOUNTINGANDBUSINESSPOLICIES"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGANDBUSINESSPOLICIES" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGANDBUSINESSPOLICIESPolicies" xlink:type="simple" xlink:href="dxpe-20201231.xsd#SUMMARYOFSIGNIFICANTACCOUNTINGANDBUSINESSPOLICIESPolicies"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGANDBUSINESSPOLICIESPolicies" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGANDBUSINESSPOLICIESTables" xlink:type="simple" xlink:href="dxpe-20201231.xsd#SUMMARYOFSIGNIFICANTACCOUNTINGANDBUSINESSPOLICIESTables"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGANDBUSINESSPOLICIESTables" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGANDBUSINESSPOLICIESVariableInterestEntityDetails" xlink:type="simple" xlink:href="dxpe-20201231.xsd#SUMMARYOFSIGNIFICANTACCOUNTINGANDBUSINESSPOLICIESVariableInterestEntityDetails"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGANDBUSINESSPOLICIESVariableInterestEntityDetails" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGANDBUSINESSPOLICIESChangesinAllowanceforUncollectibleTradeAccountsReceivablesDetails" xlink:type="simple" xlink:href="dxpe-20201231.xsd#SUMMARYOFSIGNIFICANTACCOUNTINGANDBUSINESSPOLICIESChangesinAllowanceforUncollectibleTradeAccountsReceivablesDetails"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGANDBUSINESSPOLICIESChangesinAllowanceforUncollectibleTradeAccountsReceivablesDetails" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGANDBUSINESSPOLICIESPropertyandEquipmentDetails" xlink:type="simple" xlink:href="dxpe-20201231.xsd#SUMMARYOFSIGNIFICANTACCOUNTINGANDBUSINESSPOLICIESPropertyandEquipmentDetails"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGANDBUSINESSPOLICIESPropertyandEquipmentDetails" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGANDBUSINESSPOLICIESImpairmentofGoodwillOtherIntangiblesandLonglivedAssetsDetails" xlink:type="simple" xlink:href="dxpe-20201231.xsd#SUMMARYOFSIGNIFICANTACCOUNTINGANDBUSINESSPOLICIESImpairmentofGoodwillOtherIntangiblesandLonglivedAssetsDetails"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGANDBUSINESSPOLICIESImpairmentofGoodwillOtherIntangiblesandLonglivedAssetsDetails" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGANDBUSINESSPOLICIESRevenueRecognitionDetails" xlink:type="simple" xlink:href="dxpe-20201231.xsd#SUMMARYOFSIGNIFICANTACCOUNTINGANDBUSINESSPOLICIESRevenueRecognitionDetails"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGANDBUSINESSPOLICIESRevenueRecognitionDetails" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGANDBUSINESSPOLICIESSelfinsuredInsuranceandMedicalClaimsDetails" xlink:type="simple" xlink:href="dxpe-20201231.xsd#SUMMARYOFSIGNIFICANTACCOUNTINGANDBUSINESSPOLICIESSelfinsuredInsuranceandMedicalClaimsDetails"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGANDBUSINESSPOLICIESSelfinsuredInsuranceandMedicalClaimsDetails" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/RECENTACCOUNTINGPRONOUNCEMENTS" xlink:type="simple" xlink:href="dxpe-20201231.xsd#RECENTACCOUNTINGPRONOUNCEMENTS"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/RECENTACCOUNTINGPRONOUNCEMENTS" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/IMPAIRMENTANDOTHERCHARGES" xlink:type="simple" xlink:href="dxpe-20201231.xsd#IMPAIRMENTANDOTHERCHARGES"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/IMPAIRMENTANDOTHERCHARGES" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/IMPAIRMENTSANDOTHERCHARGESTables" xlink:type="simple" xlink:href="dxpe-20201231.xsd#IMPAIRMENTSANDOTHERCHARGESTables"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/IMPAIRMENTSANDOTHERCHARGESTables" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/IMPAIRMENTSANDOTHERCHARGESNarrativeDetails" xlink:type="simple" xlink:href="dxpe-20201231.xsd#IMPAIRMENTSANDOTHERCHARGESNarrativeDetails"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/IMPAIRMENTSANDOTHERCHARGESNarrativeDetails" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/IMPAIRMENTSANDOTHERCHARGESDetails" xlink:type="simple" xlink:href="dxpe-20201231.xsd#IMPAIRMENTSANDOTHERCHARGESDetails"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/IMPAIRMENTSANDOTHERCHARGESDetails" xlink:type="extended">

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetImpairmentCharges_5919958d-7f2d-4e20-a5ed-01550b1b0640" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AssetImpairmentCharges"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ImpairmentOfLongLivedAssetsHeldForUse_24ba4f4d-c476-4312-abbb-ecbd7be6f83a" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ImpairmentOfLongLivedAssetsHeldForUse"/>

<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetImpairmentCharges_5919958d-7f2d-4e20-a5ed-01550b1b0640" xlink:to="loc_us-gaap_ImpairmentOfLongLivedAssetsHeldForUse_24ba4f4d-c476-4312-abbb-ecbd7be6f83a" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryWriteDown_f4a18040-e88e-492f-9ca5-aded130320d5" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InventoryWriteDown"/>

<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetImpairmentCharges_5919958d-7f2d-4e20-a5ed-01550b1b0640" xlink:to="loc_us-gaap_InventoryWriteDown_f4a18040-e88e-492f-9ca5-aded130320d5" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillImpairmentLoss_1303680d-fa0b-42b6-be80-6e88a95111c8" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_GoodwillImpairmentLoss"/>

<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetImpairmentCharges_5919958d-7f2d-4e20-a5ed-01550b1b0640" xlink:to="loc_us-gaap_GoodwillImpairmentLoss_1303680d-fa0b-42b6-be80-6e88a95111c8" xlink:type="arc"/>

</link:calculationLink>

<link:roleRef roleURI="http://www.dxpe.com/role/LEASES" xlink:type="simple" xlink:href="dxpe-20201231.xsd#LEASES"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/LEASES" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/LEASESTables" xlink:type="simple" xlink:href="dxpe-20201231.xsd#LEASESTables"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/LEASESTables" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/LEASESNarrativeDetails" xlink:type="simple" xlink:href="dxpe-20201231.xsd#LEASESNarrativeDetails"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/LEASESNarrativeDetails" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/LEASESLeaseExpenseDetails" xlink:type="simple" xlink:href="dxpe-20201231.xsd#LEASESLeaseExpenseDetails"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/LEASESLeaseExpenseDetails" xlink:type="extended">

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseCost_b10e0f05-c5b2-4c0b-83bc-05a74d54ee27" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LeaseCost"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermLeaseCost_20111bef-9727-401e-8977-3c94970642ce" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShortTermLeaseCost"/>

<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LeaseCost_b10e0f05-c5b2-4c0b-83bc-05a74d54ee27" xlink:to="loc_us-gaap_ShortTermLeaseCost_20111bef-9727-401e-8977-3c94970642ce" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseCost_32a4a47a-f99b-47fc-9513-16681894ef66" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLeaseCost"/>

<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LeaseCost_b10e0f05-c5b2-4c0b-83bc-05a74d54ee27" xlink:to="loc_us-gaap_OperatingLeaseCost_32a4a47a-f99b-47fc-9513-16681894ef66" xlink:type="arc"/>

</link:calculationLink>

<link:roleRef roleURI="http://www.dxpe.com/role/LEASESSupplementalCashFlowInformationDetails" xlink:type="simple" xlink:href="dxpe-20201231.xsd#LEASESSupplementalCashFlowInformationDetails"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/LEASESSupplementalCashFlowInformationDetails" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/LEASESSupplementalBalanceSheetInformationDetails" xlink:type="simple" xlink:href="dxpe-20201231.xsd#LEASESSupplementalBalanceSheetInformationDetails"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/LEASESSupplementalBalanceSheetInformationDetails" xlink:type="extended">

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiability_6f4deebc-e178-4950-a6df-d727432e3516" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLeaseLiability"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityCurrent_e32d0b39-5462-4c9c-81a6-2bd2a68e5235" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLeaseLiabilityCurrent"/>

<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLeaseLiability_6f4deebc-e178-4950-a6df-d727432e3516" xlink:to="loc_us-gaap_OperatingLeaseLiabilityCurrent_e32d0b39-5462-4c9c-81a6-2bd2a68e5235" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_29d584ca-4707-4937-a5e8-d38401d6c705" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent"/>

<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingLeaseLiability_6f4deebc-e178-4950-a6df-d727432e3516" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_29d584ca-4707-4937-a5e8-d38401d6c705" xlink:type="arc"/>

</link:calculationLink>

<link:roleRef roleURI="http://www.dxpe.com/role/LEASESMaturityofLeaseLiabilitiesDetails" xlink:type="simple" xlink:href="dxpe-20201231.xsd#LEASESMaturityofLeaseLiabilitiesDetails"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/LEASESMaturityofLeaseLiabilitiesDetails" xlink:type="extended">

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_8c7eef8f-3078-43c9-a750-f6405b6dd1b6" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_4de6266a-0c8d-4878-b0d8-860614a37933" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths"/>

<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_8c7eef8f-3078-43c9-a750-f6405b6dd1b6" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_4de6266a-0c8d-4878-b0d8-860614a37933" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_d784cced-bcb5-426e-86ac-2b676495ce32" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo"/>

<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_8c7eef8f-3078-43c9-a750-f6405b6dd1b6" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_d784cced-bcb5-426e-86ac-2b676495ce32" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_ecde551a-ec08-4f08-8bc0-2247413b6081" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree"/>

<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_8c7eef8f-3078-43c9-a750-f6405b6dd1b6" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_ecde551a-ec08-4f08-8bc0-2247413b6081" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_4e44b17b-204a-4fba-b905-485a785a2050" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour"/>

<link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_8c7eef8f-3078-43c9-a750-f6405b6dd1b6" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_4e44b17b-204a-4fba-b905-485a785a2050" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_a4d9fe07-0008-44c5-8206-3ded21728cb0" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive"/>

<link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_8c7eef8f-3078-43c9-a750-f6405b6dd1b6" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_a4d9fe07-0008-44c5-8206-3ded21728cb0" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_dacd965f-7a62-43c6-89e2-c836595f7fe7" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive"/>

<link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_8c7eef8f-3078-43c9-a750-f6405b6dd1b6" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_dacd965f-7a62-43c6-89e2-c836595f7fe7" xlink:type="arc"/>

</link:calculationLink>

<link:roleRef roleURI="http://www.dxpe.com/role/LEASESMaturityofLeaseLiabilitiesDetails_1" xlink:type="simple" xlink:href="dxpe-20201231.xsd#LEASESMaturityofLeaseLiabilitiesDetails_1"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/LEASESMaturityofLeaseLiabilitiesDetails_1" xlink:type="extended">

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_5e7e468a-d0a2-492a-90cf-2c50e05eb077" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_fa973d92-bf24-4cd7-bbe6-65b5c4918ffe" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount"/>

<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_5e7e468a-d0a2-492a-90cf-2c50e05eb077" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_fa973d92-bf24-4cd7-bbe6-65b5c4918ffe" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiability_f2d45904-7cab-4ac6-94c8-d8d79acd4c1a" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLeaseLiability"/>

<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_5e7e468a-d0a2-492a-90cf-2c50e05eb077" xlink:to="loc_us-gaap_OperatingLeaseLiability_f2d45904-7cab-4ac6-94c8-d8d79acd4c1a" xlink:type="arc"/>

</link:calculationLink>

<link:roleRef roleURI="http://www.dxpe.com/role/LEASESLeaseTermandDiscountRateDetails" xlink:type="simple" xlink:href="dxpe-20201231.xsd#LEASESLeaseTermandDiscountRateDetails"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/LEASESLeaseTermandDiscountRateDetails" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/FAIRVALUEOFFINANCIALASSETSANDLIABILITIES" xlink:type="simple" xlink:href="dxpe-20201231.xsd#FAIRVALUEOFFINANCIALASSETSANDLIABILITIES"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/FAIRVALUEOFFINANCIALASSETSANDLIABILITIES" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/FAIRVALUEOFFINANCIALASSETSANDLIABILITIESTables" xlink:type="simple" xlink:href="dxpe-20201231.xsd#FAIRVALUEOFFINANCIALASSETSANDLIABILITIESTables"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/FAIRVALUEOFFINANCIALASSETSANDLIABILITIESTables" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/FAIRVALUEOFFINANCIALASSETSANDLIABILITIESNarrativeDetails" xlink:type="simple" xlink:href="dxpe-20201231.xsd#FAIRVALUEOFFINANCIALASSETSANDLIABILITIESNarrativeDetails"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/FAIRVALUEOFFINANCIALASSETSANDLIABILITIESNarrativeDetails" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/FAIRVALUEOFFINANCIALASSETSANDLIABILITIESReconciliationofBeginningandEndingBalancesDetails" xlink:type="simple" xlink:href="dxpe-20201231.xsd#FAIRVALUEOFFINANCIALASSETSANDLIABILITIESReconciliationofBeginningandEndingBalancesDetails"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/FAIRVALUEOFFINANCIALASSETSANDLIABILITIESReconciliationofBeginningandEndingBalancesDetails" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/FAIRVALUEOFFINANCIALASSETSANDLIABILITIESQuantitativeInformationAboutLevel3Details" xlink:type="simple" xlink:href="dxpe-20201231.xsd#FAIRVALUEOFFINANCIALASSETSANDLIABILITIESQuantitativeInformationAboutLevel3Details"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/FAIRVALUEOFFINANCIALASSETSANDLIABILITIESQuantitativeInformationAboutLevel3Details" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/INVENTORIES" xlink:type="simple" xlink:href="dxpe-20201231.xsd#INVENTORIES"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/INVENTORIES" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/INVENTORIESTables" xlink:type="simple" xlink:href="dxpe-20201231.xsd#INVENTORIESTables"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/INVENTORIESTables" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/INVENTORIESDetails" xlink:type="simple" xlink:href="dxpe-20201231.xsd#INVENTORIESDetails"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/INVENTORIESDetails" xlink:type="extended">

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNet_b57a3680-aef9-4bef-89ce-c96549df3c9d" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InventoryNet"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryFinishedGoods_e4ee983f-54a0-4a09-8900-ee02f8e8dbf6" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InventoryFinishedGoods"/>

<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryNet_b57a3680-aef9-4bef-89ce-c96549df3c9d" xlink:to="loc_us-gaap_InventoryFinishedGoods_e4ee983f-54a0-4a09-8900-ee02f8e8dbf6" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryWorkInProcess_da19b6e9-4740-48b8-82f8-f64efbe608d3" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InventoryWorkInProcess"/>

<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryNet_b57a3680-aef9-4bef-89ce-c96549df3c9d" xlink:to="loc_us-gaap_InventoryWorkInProcess_da19b6e9-4740-48b8-82f8-f64efbe608d3" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryValuationReserves_1624faab-a784-4546-8013-9613ddeda347" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InventoryValuationReserves"/>

<link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryNet_b57a3680-aef9-4bef-89ce-c96549df3c9d" xlink:to="loc_us-gaap_InventoryValuationReserves_1624faab-a784-4546-8013-9613ddeda347" xlink:type="arc"/>

</link:calculationLink>

<link:roleRef roleURI="http://www.dxpe.com/role/COSTSANDESTIMATEDPROFITSONUNCOMPLETEDCONTRACTS" xlink:type="simple" xlink:href="dxpe-20201231.xsd#COSTSANDESTIMATEDPROFITSONUNCOMPLETEDCONTRACTS"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/COSTSANDESTIMATEDPROFITSONUNCOMPLETEDCONTRACTS" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/COSTSANDESTIMATEDPROFITSONUNCOMPLETEDCONTRACTSTables" xlink:type="simple" xlink:href="dxpe-20201231.xsd#COSTSANDESTIMATEDPROFITSONUNCOMPLETEDCONTRACTSTables"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/COSTSANDESTIMATEDPROFITSONUNCOMPLETEDCONTRACTSTables" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/COSTSANDESTIMATEDPROFITSONUNCOMPLETEDCONTRACTSDetails" xlink:type="simple" xlink:href="dxpe-20201231.xsd#COSTSANDESTIMATEDPROFITSONUNCOMPLETEDCONTRACTSDetails"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/COSTSANDESTIMATEDPROFITSONUNCOMPLETEDCONTRACTSDetails" xlink:type="extended">

<link:loc xlink:type="locator" xlink:label="loc_dxpe_ContractWithCustomerAssetNetCurrentExcludingContractWithCustomerLiabilityCurrentAndTranslationAdjustment_29f2a7b8-2978-48ab-a6c0-e56c9070d6d4" xlink:href="dxpe-20201231.xsd#dxpe_ContractWithCustomerAssetNetCurrentExcludingContractWithCustomerLiabilityCurrentAndTranslationAdjustment"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerAssetNetCurrent_bce3262a-afee-4852-ab52-92e4f2804c4e" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ContractWithCustomerAssetNetCurrent"/>

<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_dxpe_ContractWithCustomerAssetNetCurrentExcludingContractWithCustomerLiabilityCurrentAndTranslationAdjustment_29f2a7b8-2978-48ab-a6c0-e56c9070d6d4" xlink:to="loc_us-gaap_ContractWithCustomerAssetNetCurrent_bce3262a-afee-4852-ab52-92e4f2804c4e" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityCurrent_b61f8073-ff29-4924-a92f-f138cdb3fd18" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ContractWithCustomerLiabilityCurrent"/>

<link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_dxpe_ContractWithCustomerAssetNetCurrentExcludingContractWithCustomerLiabilityCurrentAndTranslationAdjustment_29f2a7b8-2978-48ab-a6c0-e56c9070d6d4" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityCurrent_b61f8073-ff29-4924-a92f-f138cdb3fd18" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_dxpe_ContractWithCustomerLiabilityForeignCurrencyTranslationAdjustment_d42deee7-35f1-4069-be4c-858f5faa5b33" xlink:href="dxpe-20201231.xsd#dxpe_ContractWithCustomerLiabilityForeignCurrencyTranslationAdjustment"/>

<link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_dxpe_ContractWithCustomerAssetNetCurrentExcludingContractWithCustomerLiabilityCurrentAndTranslationAdjustment_29f2a7b8-2978-48ab-a6c0-e56c9070d6d4" xlink:to="loc_dxpe_ContractWithCustomerLiabilityForeignCurrencyTranslationAdjustment_d42deee7-35f1-4069-be4c-858f5faa5b33" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_dxpe_CostAndEarningsOfUncompletedContracts_60d2448b-260d-4559-98a5-41eb280b5d39" xlink:href="dxpe-20201231.xsd#dxpe_CostAndEarningsOfUncompletedContracts"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerAssetNet_5cbf1694-81e8-41cd-81d6-c584f980fde0" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ContractWithCustomerAssetNet"/>

<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_dxpe_CostAndEarningsOfUncompletedContracts_60d2448b-260d-4559-98a5-41eb280b5d39" xlink:to="loc_us-gaap_ContractWithCustomerAssetNet_5cbf1694-81e8-41cd-81d6-c584f980fde0" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_dxpe_EstimatedEarningsThereonOnUncompletedContracts_fe250891-2f1b-4c8b-9f56-bd791dabfa77" xlink:href="dxpe-20201231.xsd#dxpe_EstimatedEarningsThereonOnUncompletedContracts"/>

<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_dxpe_CostAndEarningsOfUncompletedContracts_60d2448b-260d-4559-98a5-41eb280b5d39" xlink:to="loc_dxpe_EstimatedEarningsThereonOnUncompletedContracts_fe250891-2f1b-4c8b-9f56-bd791dabfa77" xlink:type="arc"/>

</link:calculationLink>

<link:roleRef roleURI="http://www.dxpe.com/role/PROPERTYANDEQUIPMENT" xlink:type="simple" xlink:href="dxpe-20201231.xsd#PROPERTYANDEQUIPMENT"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/PROPERTYANDEQUIPMENT" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/PROPERTYANDEQUIPMENTTables" xlink:type="simple" xlink:href="dxpe-20201231.xsd#PROPERTYANDEQUIPMENTTables"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/PROPERTYANDEQUIPMENTTables" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/PROPERTYANDEQUIPMENTDetails" xlink:type="simple" xlink:href="dxpe-20201231.xsd#PROPERTYANDEQUIPMENTDetails"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/PROPERTYANDEQUIPMENTDetails" xlink:type="extended">

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_dc651de0-b1f2-4a75-8e40-e7257c703491" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_5aac886d-a51f-4c71-a739-3fe068fbd461" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGross"/>

<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNet_dc651de0-b1f2-4a75-8e40-e7257c703491" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentGross_5aac886d-a51f-4c71-a739-3fe068fbd461" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_09c0e186-7ba7-4057-8269-378b751d5796" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment"/>

<link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNet_dc651de0-b1f2-4a75-8e40-e7257c703491" xlink:to="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_09c0e186-7ba7-4057-8269-378b751d5796" xlink:type="arc"/>

</link:calculationLink>

<link:roleRef roleURI="http://www.dxpe.com/role/GOODWILLANDOTHERINTANGIBLEASSETS" xlink:type="simple" xlink:href="dxpe-20201231.xsd#GOODWILLANDOTHERINTANGIBLEASSETS"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/GOODWILLANDOTHERINTANGIBLEASSETS" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/GOODWILLANDOTHERINTANGIBLEASSETSTables" xlink:type="simple" xlink:href="dxpe-20201231.xsd#GOODWILLANDOTHERINTANGIBLEASSETSTables"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/GOODWILLANDOTHERINTANGIBLEASSETSTables" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/GOODWILLANDOTHERINTANGIBLEASSETSChangesinCarryingAmountofGoodwillandOtherIntangibleAssetsDetails" xlink:type="simple" xlink:href="dxpe-20201231.xsd#GOODWILLANDOTHERINTANGIBLEASSETSChangesinCarryingAmountofGoodwillandOtherIntangibleAssetsDetails"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/GOODWILLANDOTHERINTANGIBLEASSETSChangesinCarryingAmountofGoodwillandOtherIntangibleAssetsDetails" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/GOODWILLANDOTHERINTANGIBLEASSETSGoodwillBalancebyReportableSegmentDetails" xlink:type="simple" xlink:href="dxpe-20201231.xsd#GOODWILLANDOTHERINTANGIBLEASSETSGoodwillBalancebyReportableSegmentDetails"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/GOODWILLANDOTHERINTANGIBLEASSETSGoodwillBalancebyReportableSegmentDetails" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/GOODWILLANDOTHERINTANGIBLEASSETSOtherIntangibleAssetsDetails" xlink:type="simple" xlink:href="dxpe-20201231.xsd#GOODWILLANDOTHERINTANGIBLEASSETSOtherIntangibleAssetsDetails"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/GOODWILLANDOTHERINTANGIBLEASSETSOtherIntangibleAssetsDetails" xlink:type="extended">

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_170b0621-e388-473f-83a0-1930d8530d96" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_9a56611b-3f26-4fa5-8400-999b96e4f528" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsGross"/>

<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_170b0621-e388-473f-83a0-1930d8530d96" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_9a56611b-3f26-4fa5-8400-999b96e4f528" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_5e795f49-5f20-4eac-8cec-ff796dc36b6d" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization"/>

<link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_170b0621-e388-473f-83a0-1930d8530d96" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_5e795f49-5f20-4eac-8cec-ff796dc36b6d" xlink:type="arc"/>

</link:calculationLink>

<link:roleRef roleURI="http://www.dxpe.com/role/GOODWILLANDOTHERINTANGIBLEASSETSEstimatedFutureAnnualAmortizationofIntangibleAssetsDetails" xlink:type="simple" xlink:href="dxpe-20201231.xsd#GOODWILLANDOTHERINTANGIBLEASSETSEstimatedFutureAnnualAmortizationofIntangibleAssetsDetails"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/GOODWILLANDOTHERINTANGIBLEASSETSEstimatedFutureAnnualAmortizationofIntangibleAssetsDetails" xlink:type="extended">

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_7ebe77aa-6a11-472c-989b-fef8b41a28cc" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_8ca599be-8d7a-4caf-aa2c-9ac9d6d3cd7a" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths"/>

<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_7ebe77aa-6a11-472c-989b-fef8b41a28cc" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_8ca599be-8d7a-4caf-aa2c-9ac9d6d3cd7a" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_e2787958-5122-454e-8cf1-1bb3e9a6ddf8" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo"/>

<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_7ebe77aa-6a11-472c-989b-fef8b41a28cc" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_e2787958-5122-454e-8cf1-1bb3e9a6ddf8" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_b48ffff2-df1d-4b3c-a885-f23555dadc64" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree"/>

<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_7ebe77aa-6a11-472c-989b-fef8b41a28cc" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_b48ffff2-df1d-4b3c-a885-f23555dadc64" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_fecbeb28-e30a-41b8-805f-7ab3246fd0a7" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour"/>

<link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_7ebe77aa-6a11-472c-989b-fef8b41a28cc" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_fecbeb28-e30a-41b8-805f-7ab3246fd0a7" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_dc8fcdd7-927f-4671-b1a5-5cd0ac5c7760" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive"/>

<link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_7ebe77aa-6a11-472c-989b-fef8b41a28cc" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_dc8fcdd7-927f-4671-b1a5-5cd0ac5c7760" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_c0a23e33-aed0-45a2-9afe-fecf3c7ef0f7" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive"/>

<link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_7ebe77aa-6a11-472c-989b-fef8b41a28cc" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_c0a23e33-aed0-45a2-9afe-fecf3c7ef0f7" xlink:type="arc"/>

</link:calculationLink>

<link:roleRef roleURI="http://www.dxpe.com/role/LONGTERMDEBT" xlink:type="simple" xlink:href="dxpe-20201231.xsd#LONGTERMDEBT"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/LONGTERMDEBT" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/LONGTERMDEBTTables" xlink:type="simple" xlink:href="dxpe-20201231.xsd#LONGTERMDEBTTables"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/LONGTERMDEBTTables" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/LONGTERMDEBTComponentsofLongtermDebtDetails" xlink:type="simple" xlink:href="dxpe-20201231.xsd#LONGTERMDEBTComponentsofLongtermDebtDetails"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/LONGTERMDEBTComponentsofLongtermDebtDetails" xlink:type="extended">

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_90547f12-1075-4de4-a9a9-732629769527" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongTermDebt"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtCurrent_d78c7b26-4123-4d91-b636-c9a84a9c32c8" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongTermDebtCurrent"/>

<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_90547f12-1075-4de4-a9a9-732629769527" xlink:to="loc_us-gaap_LongTermDebtCurrent_d78c7b26-4123-4d91-b636-c9a84a9c32c8" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_dxpe_LongTermDebtExcludingCurrentMaturitiesGross_809697ec-9631-4bd1-8737-36a2b2d48669" xlink:href="dxpe-20201231.xsd#dxpe_LongTermDebtExcludingCurrentMaturitiesGross"/>

<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_90547f12-1075-4de4-a9a9-732629769527" xlink:to="loc_dxpe_LongTermDebtExcludingCurrentMaturitiesGross_809697ec-9631-4bd1-8737-36a2b2d48669" xlink:type="arc"/>

</link:calculationLink>

<link:roleRef roleURI="http://www.dxpe.com/role/LONGTERMDEBTAssetBasedLoanFacilityDetails" xlink:type="simple" xlink:href="dxpe-20201231.xsd#LONGTERMDEBTAssetBasedLoanFacilityDetails"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/LONGTERMDEBTAssetBasedLoanFacilityDetails" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/LONGTERMDEBTTermLoanBDetails" xlink:type="simple" xlink:href="dxpe-20201231.xsd#LONGTERMDEBTTermLoanBDetails"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/LONGTERMDEBTTermLoanBDetails" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/LONGTERMDEBTSecuredLeverageRatiotoEBITDADetails" xlink:type="simple" xlink:href="dxpe-20201231.xsd#LONGTERMDEBTSecuredLeverageRatiotoEBITDADetails"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/LONGTERMDEBTSecuredLeverageRatiotoEBITDADetails" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/LONGTERMDEBTInterestRateonBorrowingsOutstandingDetails" xlink:type="simple" xlink:href="dxpe-20201231.xsd#LONGTERMDEBTInterestRateonBorrowingsOutstandingDetails"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/LONGTERMDEBTInterestRateonBorrowingsOutstandingDetails" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/LONGTERMDEBTExtinguishmentandModificationofPreviouslyExistingCreditAgreementDetails" xlink:type="simple" xlink:href="dxpe-20201231.xsd#LONGTERMDEBTExtinguishmentandModificationofPreviouslyExistingCreditAgreementDetails"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/LONGTERMDEBTExtinguishmentandModificationofPreviouslyExistingCreditAgreementDetails" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/LONGTERMDEBTMaturitiesofLongtermDebtDetails" xlink:type="simple" xlink:href="dxpe-20201231.xsd#LONGTERMDEBTMaturitiesofLongtermDebtDetails"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/LONGTERMDEBTMaturitiesofLongtermDebtDetails" xlink:type="extended">

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_9b19244b-1be7-403d-b0fa-e82b82cc2c1f" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongTermDebt"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_8cde9ed3-7444-4910-a2bd-68733eb10f68" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour"/>

<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_9b19244b-1be7-403d-b0fa-e82b82cc2c1f" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_8cde9ed3-7444-4910-a2bd-68733eb10f68" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_45f03e56-23ec-4976-905a-0172c955acca" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo"/>

<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_9b19244b-1be7-403d-b0fa-e82b82cc2c1f" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_45f03e56-23ec-4976-905a-0172c955acca" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_8de2b6c5-5267-4f1e-b226-738b74813036" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive"/>

<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_9b19244b-1be7-403d-b0fa-e82b82cc2c1f" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_8de2b6c5-5267-4f1e-b226-738b74813036" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_1eabdc54-db66-4fef-83a1-31c1c9e4d0a7" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree"/>

<link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_9b19244b-1be7-403d-b0fa-e82b82cc2c1f" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_1eabdc54-db66-4fef-83a1-31c1c9e4d0a7" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_fd59a490-2827-4954-90ff-e7ff308b9f86" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive"/>

<link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_9b19244b-1be7-403d-b0fa-e82b82cc2c1f" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_fd59a490-2827-4954-90ff-e7ff308b9f86" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_ca197792-fffb-4c8b-a1d1-ba2574308461" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths"/>

<link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_9b19244b-1be7-403d-b0fa-e82b82cc2c1f" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_ca197792-fffb-4c8b-a1d1-ba2574308461" xlink:type="arc"/>

</link:calculationLink>

<link:roleRef roleURI="http://www.dxpe.com/role/INCOMETAXES" xlink:type="simple" xlink:href="dxpe-20201231.xsd#INCOMETAXES"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/INCOMETAXES" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/INCOMETAXESTables" xlink:type="simple" xlink:href="dxpe-20201231.xsd#INCOMETAXESTables"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/INCOMETAXESTables" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/INCOMETAXESComponentsofIncomeLossBeforeIncomeTaxesDetails" xlink:type="simple" xlink:href="dxpe-20201231.xsd#INCOMETAXESComponentsofIncomeLossBeforeIncomeTaxesDetails"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/INCOMETAXESComponentsofIncomeLossBeforeIncomeTaxesDetails" xlink:type="extended">

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_51679c65-9139-42e2-9379-45e04ec9ca3c" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic_50a21048-81e7-4bd2-ac07-fae039a88e07" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic"/>

<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_51679c65-9139-42e2-9379-45e04ec9ca3c" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic_50a21048-81e7-4bd2-ac07-fae039a88e07" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign_87f52f73-ab67-4f7a-a84e-dbe52ce72a5b" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign"/>

<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_51679c65-9139-42e2-9379-45e04ec9ca3c" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign_87f52f73-ab67-4f7a-a84e-dbe52ce72a5b" xlink:type="arc"/>

</link:calculationLink>

<link:roleRef roleURI="http://www.dxpe.com/role/INCOMETAXESProvisionforIncomeTaxesDetails" xlink:type="simple" xlink:href="dxpe-20201231.xsd#INCOMETAXESProvisionforIncomeTaxesDetails"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/INCOMETAXESProvisionforIncomeTaxesDetails" xlink:type="extended">

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_7635c8e9-4460-43e2-9459-194266c0cc7c" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_861f34bd-201b-4162-a167-ad98ba25d05b" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit"/>

<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_7635c8e9-4460-43e2-9459-194266c0cc7c" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_861f34bd-201b-4162-a167-ad98ba25d05b" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_3994b75f-74a4-4b8d-8b1f-4ce7b1647914" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CurrentIncomeTaxExpenseBenefit"/>

<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_7635c8e9-4460-43e2-9459-194266c0cc7c" xlink:to="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_3994b75f-74a4-4b8d-8b1f-4ce7b1647914" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_171981a2-036d-4e96-a60e-e5850e67144b" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CurrentIncomeTaxExpenseBenefit"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentFederalTaxExpenseBenefit_1a508cfe-7a5f-4283-9c16-260e25b1eb3b" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CurrentFederalTaxExpenseBenefit"/>

<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_171981a2-036d-4e96-a60e-e5850e67144b" xlink:to="loc_us-gaap_CurrentFederalTaxExpenseBenefit_1a508cfe-7a5f-4283-9c16-260e25b1eb3b" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentStateAndLocalTaxExpenseBenefit_e22bc5ea-f21f-4ea1-86ca-540a8daede55" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CurrentStateAndLocalTaxExpenseBenefit"/>

<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_171981a2-036d-4e96-a60e-e5850e67144b" xlink:to="loc_us-gaap_CurrentStateAndLocalTaxExpenseBenefit_e22bc5ea-f21f-4ea1-86ca-540a8daede55" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentForeignTaxExpenseBenefit_b793c3e0-6612-44ac-98bb-72d75c76ce4b" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CurrentForeignTaxExpenseBenefit"/>

<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_171981a2-036d-4e96-a60e-e5850e67144b" xlink:to="loc_us-gaap_CurrentForeignTaxExpenseBenefit_b793c3e0-6612-44ac-98bb-72d75c76ce4b" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_a3d5703f-106e-4ad6-a1c8-b4bb3b9995c9" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFederalIncomeTaxExpenseBenefit_e8db8551-a25e-40e4-b37d-98b827eb648b" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredFederalIncomeTaxExpenseBenefit"/>

<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_a3d5703f-106e-4ad6-a1c8-b4bb3b9995c9" xlink:to="loc_us-gaap_DeferredFederalIncomeTaxExpenseBenefit_e8db8551-a25e-40e4-b37d-98b827eb648b" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit_9c25f36b-3fda-437c-9050-bbc13f48fb6f" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit"/>

<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_a3d5703f-106e-4ad6-a1c8-b4bb3b9995c9" xlink:to="loc_us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit_9c25f36b-3fda-437c-9050-bbc13f48fb6f" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredForeignIncomeTaxExpenseBenefit_337c0d44-20a7-47d2-b3d4-50483a4b93ba" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredForeignIncomeTaxExpenseBenefit"/>

<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_a3d5703f-106e-4ad6-a1c8-b4bb3b9995c9" xlink:to="loc_us-gaap_DeferredForeignIncomeTaxExpenseBenefit_337c0d44-20a7-47d2-b3d4-50483a4b93ba" xlink:type="arc"/>

</link:calculationLink>

<link:roleRef roleURI="http://www.dxpe.com/role/INCOMETAXESDifferencesBetweenIncomeTaxesComputedatStatutoryIncomeTaxRateandProvisionForIncomeTaxesDetails" xlink:type="simple" xlink:href="dxpe-20201231.xsd#INCOMETAXESDifferencesBetweenIncomeTaxesComputedatStatutoryIncomeTaxRateandProvisionForIncomeTaxesDetails"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/INCOMETAXESDifferencesBetweenIncomeTaxesComputedatStatutoryIncomeTaxRateandProvisionForIncomeTaxesDetails" xlink:type="extended">

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_68e2f498-2646-4ec5-bb32-8549e2a7a31c" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit"/>

<link:loc xlink:type="locator" xlink:label="loc_dxpe_EffectiveIncomeTaxRateReconciliationTaxCutsandJobsActTransitionTaxonAccumulatedForeignEarningsAmount_2cd336a1-332d-4e81-9b16-c1151dffe34f" xlink:href="dxpe-20201231.xsd#dxpe_EffectiveIncomeTaxRateReconciliationTaxCutsandJobsActTransitionTaxonAccumulatedForeignEarningsAmount"/>

<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_68e2f498-2646-4ec5-bb32-8549e2a7a31c" xlink:to="loc_dxpe_EffectiveIncomeTaxRateReconciliationTaxCutsandJobsActTransitionTaxonAccumulatedForeignEarningsAmount_2cd336a1-332d-4e81-9b16-c1151dffe34f" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_9cb82ef0-4815-4108-8c32-ce259b998bda" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate"/>

<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_68e2f498-2646-4ec5-bb32-8549e2a7a31c" xlink:to="loc_us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_9cb82ef0-4815-4108-8c32-ce259b998bda" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance_b5ee4dc3-e0a4-43bb-afe3-885267694c74" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance"/>

<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_68e2f498-2646-4ec5-bb32-8549e2a7a31c" xlink:to="loc_us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance_b5ee4dc3-e0a4-43bb-afe3-885267694c74" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationChangeInEnactedTaxRate_52761104-45ac-4b63-a0b9-d1dbbd4634af" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeTaxReconciliationChangeInEnactedTaxRate"/>

<link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_68e2f498-2646-4ec5-bb32-8549e2a7a31c" xlink:to="loc_us-gaap_IncomeTaxReconciliationChangeInEnactedTaxRate_52761104-45ac-4b63-a0b9-d1dbbd4634af" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationNondeductibleExpense_d689595f-d51b-490d-bc2a-10dda6b192fd" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeTaxReconciliationNondeductibleExpense"/>

<link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_68e2f498-2646-4ec5-bb32-8549e2a7a31c" xlink:to="loc_us-gaap_IncomeTaxReconciliationNondeductibleExpense_d689595f-d51b-490d-bc2a-10dda6b192fd" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationTaxContingencies_edf4ee97-48e1-4eaa-a7cc-5b38bfe98860" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeTaxReconciliationTaxContingencies"/>

<link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_68e2f498-2646-4ec5-bb32-8549e2a7a31c" xlink:to="loc_us-gaap_IncomeTaxReconciliationTaxContingencies_edf4ee97-48e1-4eaa-a7cc-5b38bfe98860" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationOtherAdjustments_1b5aa040-b66f-43a2-8d72-805a3709810e" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeTaxReconciliationOtherAdjustments"/>

<link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_68e2f498-2646-4ec5-bb32-8549e2a7a31c" xlink:to="loc_us-gaap_IncomeTaxReconciliationOtherAdjustments_1b5aa040-b66f-43a2-8d72-805a3709810e" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationTaxCreditsResearch_898e068b-9ea7-4c69-92a0-e79baf6e15fc" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeTaxReconciliationTaxCreditsResearch"/>

<link:calculationArc order="8" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_68e2f498-2646-4ec5-bb32-8549e2a7a31c" xlink:to="loc_us-gaap_IncomeTaxReconciliationTaxCreditsResearch_898e068b-9ea7-4c69-92a0-e79baf6e15fc" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationTaxCreditsForeign_fdf225ca-c7a1-492b-a714-33eac2195fb4" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeTaxReconciliationTaxCreditsForeign"/>

<link:calculationArc order="9" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_68e2f498-2646-4ec5-bb32-8549e2a7a31c" xlink:to="loc_us-gaap_IncomeTaxReconciliationTaxCreditsForeign_fdf225ca-c7a1-492b-a714-33eac2195fb4" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential_3cf338e9-a844-47a6-b07d-8489eeeda756" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential"/>

<link:calculationArc order="10" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_68e2f498-2646-4ec5-bb32-8549e2a7a31c" xlink:to="loc_us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential_3cf338e9-a844-47a6-b07d-8489eeeda756" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_dxpe_EffectiveIncomeTaxRateReconciliationTaxCutsandJobsActAmount_eb4610a6-c62b-4623-b2a9-bcbfb1cf97d0" xlink:href="dxpe-20201231.xsd#dxpe_EffectiveIncomeTaxRateReconciliationTaxCutsandJobsActAmount"/>

<link:calculationArc order="11" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_68e2f498-2646-4ec5-bb32-8549e2a7a31c" xlink:to="loc_dxpe_EffectiveIncomeTaxRateReconciliationTaxCutsandJobsActAmount_eb4610a6-c62b-4623-b2a9-bcbfb1cf97d0" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes_d70003a8-d0ff-4d07-850a-2ce139a7916c" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes"/>

<link:calculationArc order="12" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_68e2f498-2646-4ec5-bb32-8549e2a7a31c" xlink:to="loc_us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes_d70003a8-d0ff-4d07-850a-2ce139a7916c" xlink:type="arc"/>

</link:calculationLink>

<link:roleRef roleURI="http://www.dxpe.com/role/INCOMETAXESDeferredTaxLiabilitiesandAssetsDetails" xlink:type="simple" xlink:href="dxpe-20201231.xsd#INCOMETAXESDeferredTaxLiabilitiesandAssetsDetails"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/INCOMETAXESDeferredTaxLiabilitiesandAssetsDetails" xlink:type="extended">

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilities_5f18fd1a-ccf1-4061-93c4-4d70e25ab9f8" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredTaxLiabilities"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets_01c60a85-fce8-42cd-b6d6-13f0e5e5970a" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets"/>

<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxLiabilities_5f18fd1a-ccf1-4061-93c4-4d70e25ab9f8" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets_01c60a85-fce8-42cd-b6d6-13f0e5e5970a" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesOther_8f4f3562-aaca-410a-8c5a-b40ca773e982" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredTaxLiabilitiesOther"/>

<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxLiabilities_5f18fd1a-ccf1-4061-93c4-4d70e25ab9f8" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesOther_8f4f3562-aaca-410a-8c5a-b40ca773e982" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesUndistributedForeignEarnings_784742eb-d578-4367-a818-5844bcead64f" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredTaxLiabilitiesUndistributedForeignEarnings"/>

<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxLiabilities_5f18fd1a-ccf1-4061-93c4-4d70e25ab9f8" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesUndistributedForeignEarnings_784742eb-d578-4367-a818-5844bcead64f" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesLeasingArrangements_67571a4f-47f9-44b1-b448-0e713de45779" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredTaxLiabilitiesLeasingArrangements"/>

<link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxLiabilities_5f18fd1a-ccf1-4061-93c4-4d70e25ab9f8" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesLeasingArrangements_67571a4f-47f9-44b1-b448-0e713de45779" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsGoodwill_d343e0db-cfe8-4268-a5d1-cb600930f573" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsGoodwill"/>

<link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxLiabilities_5f18fd1a-ccf1-4061-93c4-4d70e25ab9f8" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsGoodwill_d343e0db-cfe8-4268-a5d1-cb600930f573" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment_63214a7c-7682-4137-9f28-75a0498a88d8" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment"/>

<link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxLiabilities_5f18fd1a-ccf1-4061-93c4-4d70e25ab9f8" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment_63214a7c-7682-4137-9f28-75a0498a88d8" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_dxpe_DeferredTaxLiabilitiesAccountingMethodChangesAdjustments_cac15620-fe70-4f3d-a506-673c82941387" xlink:href="dxpe-20201231.xsd#dxpe_DeferredTaxLiabilitiesAccountingMethodChangesAdjustments"/>

<link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxLiabilities_5f18fd1a-ccf1-4061-93c4-4d70e25ab9f8" xlink:to="loc_dxpe_DeferredTaxLiabilitiesAccountingMethodChangesAdjustments_cac15620-fe70-4f3d-a506-673c82941387" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsNet_d007a619-baae-4c10-9f4d-f3004e1607ee" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredTaxAssetsNet"/>

<link:calculationArc order="8" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxLiabilities_5f18fd1a-ccf1-4061-93c4-4d70e25ab9f8" xlink:to="loc_us-gaap_DeferredTaxAssetsNet_d007a619-baae-4c10-9f4d-f3004e1607ee" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_dxpe_DeferredTaxLiabilitiesDeferredExpenseCompensationandBenefits_30787d0e-9a3b-4ed9-9f49-06a325ec1db4" xlink:href="dxpe-20201231.xsd#dxpe_DeferredTaxLiabilitiesDeferredExpenseCompensationandBenefits"/>

<link:calculationArc order="9" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxLiabilities_5f18fd1a-ccf1-4061-93c4-4d70e25ab9f8" xlink:to="loc_dxpe_DeferredTaxLiabilitiesDeferredExpenseCompensationandBenefits_30787d0e-9a3b-4ed9-9f49-06a325ec1db4" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsNet_38c94d54-bb43-4312-b9f7-846f39d73c3e" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredTaxAssetsNet"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsGross_acfcb8a7-6fee-471f-b376-39cefed69b77" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredTaxAssetsGross"/>

<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsNet_38c94d54-bb43-4312-b9f7-846f39d73c3e" xlink:to="loc_us-gaap_DeferredTaxAssetsGross_acfcb8a7-6fee-471f-b376-39cefed69b77" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsValuationAllowance_d330920c-2c1f-46ca-a71b-0d9fe2f3b922" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredTaxAssetsValuationAllowance"/>

<link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsNet_38c94d54-bb43-4312-b9f7-846f39d73c3e" xlink:to="loc_us-gaap_DeferredTaxAssetsValuationAllowance_d330920c-2c1f-46ca-a71b-0d9fe2f3b922" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsGross_f57f38e9-4927-4b6c-a097-2ef9d49baa60" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredTaxAssetsGross"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts_8cdc2046-be14-4e5e-b94f-311f5fb34f0e" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts"/>

<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_f57f38e9-4927-4b6c-a097-2ef9d49baa60" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts_8cdc2046-be14-4e5e-b94f-311f5fb34f0e" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsInventory_1c0ce9c0-d7c6-4f1d-af06-c2c0c922b45f" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredTaxAssetsInventory"/>

<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_f57f38e9-4927-4b6c-a097-2ef9d49baa60" xlink:to="loc_us-gaap_DeferredTaxAssetsInventory_1c0ce9c0-d7c6-4f1d-af06-c2c0c922b45f" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsInProcessResearchAndDevelopment_09670a97-0a2a-4c9e-98bc-9d10987a5068" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredTaxAssetsInProcessResearchAndDevelopment"/>

<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_f57f38e9-4927-4b6c-a097-2ef9d49baa60" xlink:to="loc_us-gaap_DeferredTaxAssetsInProcessResearchAndDevelopment_09670a97-0a2a-4c9e-98bc-9d10987a5068" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsForeign_f4d38b1d-3a3a-40d2-aeed-21a8ed144a3d" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsForeign"/>

<link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_f57f38e9-4927-4b6c-a097-2ef9d49baa60" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsForeign_f4d38b1d-3a3a-40d2-aeed-21a8ed144a3d" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_112ecfe6-69b1-446b-887c-461c7370607f" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwards"/>

<link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_f57f38e9-4927-4b6c-a097-2ef9d49baa60" xlink:to="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_112ecfe6-69b1-446b-887c-461c7370607f" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsCapitalLossCarryforwards_139f495c-5423-4c0e-ae57-cb41ec905c2c" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredTaxAssetsCapitalLossCarryforwards"/>

<link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_f57f38e9-4927-4b6c-a097-2ef9d49baa60" xlink:to="loc_us-gaap_DeferredTaxAssetsCapitalLossCarryforwards_139f495c-5423-4c0e-ae57-cb41ec905c2c" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation_b44fc2e4-b5e9-471d-8a80-5db1d0071eb8" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation"/>

<link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_f57f38e9-4927-4b6c-a097-2ef9d49baa60" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation_b44fc2e4-b5e9-471d-8a80-5db1d0071eb8" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities_c2b67512-6166-4fe5-85c0-295820b3bc41" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities"/>

<link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_f57f38e9-4927-4b6c-a097-2ef9d49baa60" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities_c2b67512-6166-4fe5-85c0-295820b3bc41" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsInvestmentInSubsidiaries_6fa85cac-4633-4460-a071-760639b07687" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredTaxAssetsInvestmentInSubsidiaries"/>

<link:calculationArc order="9" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_f57f38e9-4927-4b6c-a097-2ef9d49baa60" xlink:to="loc_us-gaap_DeferredTaxAssetsInvestmentInSubsidiaries_6fa85cac-4633-4460-a071-760639b07687" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseOther_5c9b5600-ce0d-41e9-bfa7-b9f8e2c81940" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseOther"/>

<link:calculationArc order="10" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_f57f38e9-4927-4b6c-a097-2ef9d49baa60" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseOther_5c9b5600-ce0d-41e9-bfa7-b9f8e2c81940" xlink:type="arc"/>

</link:calculationLink>

<link:roleRef roleURI="http://www.dxpe.com/role/INCOMETAXESChangesinValuationAllowanceforDeferredTaxAssetsDetails" xlink:type="simple" xlink:href="dxpe-20201231.xsd#INCOMETAXESChangesinValuationAllowanceforDeferredTaxAssetsDetails"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/INCOMETAXESChangesinValuationAllowanceforDeferredTaxAssetsDetails" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/INCOMETAXESChangesinUnrecognizedTaxBenefitsDetails" xlink:type="simple" xlink:href="dxpe-20201231.xsd#INCOMETAXESChangesinUnrecognizedTaxBenefitsDetails"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/INCOMETAXESChangesinUnrecognizedTaxBenefitsDetails" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/INCOMETAXESTaxCarryforwardsDetails" xlink:type="simple" xlink:href="dxpe-20201231.xsd#INCOMETAXESTaxCarryforwardsDetails"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/INCOMETAXESTaxCarryforwardsDetails" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/INCOMETAXESNarrativeDetails" xlink:type="simple" xlink:href="dxpe-20201231.xsd#INCOMETAXESNarrativeDetails"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/INCOMETAXESNarrativeDetails" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/SHAREBASEDCOMPENSATION" xlink:type="simple" xlink:href="dxpe-20201231.xsd#SHAREBASEDCOMPENSATION"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/SHAREBASEDCOMPENSATION" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/SHAREBASEDCOMPENSATIONTables" xlink:type="simple" xlink:href="dxpe-20201231.xsd#SHAREBASEDCOMPENSATIONTables"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/SHAREBASEDCOMPENSATIONTables" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/SHAREBASEDCOMPENSATIONNarrativeDetails" xlink:type="simple" xlink:href="dxpe-20201231.xsd#SHAREBASEDCOMPENSATIONNarrativeDetails"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/SHAREBASEDCOMPENSATIONNarrativeDetails" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/SHAREBASEDCOMPENSATIONChangesinRestrictedStockDetails" xlink:type="simple" xlink:href="dxpe-20201231.xsd#SHAREBASEDCOMPENSATIONChangesinRestrictedStockDetails"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/SHAREBASEDCOMPENSATIONChangesinRestrictedStockDetails" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/EARNINGSPERSHAREDATA" xlink:type="simple" xlink:href="dxpe-20201231.xsd#EARNINGSPERSHAREDATA"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/EARNINGSPERSHAREDATA" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/EARNINGSPERSHAREDATATables" xlink:type="simple" xlink:href="dxpe-20201231.xsd#EARNINGSPERSHAREDATATables"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/EARNINGSPERSHAREDATATables" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/EARNINGSPERSHAREDATAComputationofBasicandDilutedEarningsPerShareDetails" xlink:type="simple" xlink:href="dxpe-20201231.xsd#EARNINGSPERSHAREDATAComputationofBasicandDilutedEarningsPerShareDetails"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/EARNINGSPERSHAREDATAComputationofBasicandDilutedEarningsPerShareDetails" xlink:type="extended">

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_7d6e830a-97bc-4389-94a6-d3c580c21b1b" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_9d4db415-9f96-45df-852d-6fb8672d18ce" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>

<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_7d6e830a-97bc-4389-94a6-d3c580c21b1b" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_9d4db415-9f96-45df-852d-6fb8672d18ce" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToConversionOfPreferredStock_1fbdfa3b-c567-462f-a49e-a965457c135b" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncrementalCommonSharesAttributableToConversionOfPreferredStock"/>

<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_7d6e830a-97bc-4389-94a6-d3c580c21b1b" xlink:to="loc_us-gaap_IncrementalCommonSharesAttributableToConversionOfPreferredStock_1fbdfa3b-c567-462f-a49e-a965457c135b" xlink:type="arc"/>

</link:calculationLink>

<link:roleRef roleURI="http://www.dxpe.com/role/EARNINGSPERSHAREDATANarrativeDetails" xlink:type="simple" xlink:href="dxpe-20201231.xsd#EARNINGSPERSHAREDATANarrativeDetails"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/EARNINGSPERSHAREDATANarrativeDetails" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/CAPITALSTOCK" xlink:type="simple" xlink:href="dxpe-20201231.xsd#CAPITALSTOCK"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/CAPITALSTOCK" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/CAPITALSTOCKTables" xlink:type="simple" xlink:href="dxpe-20201231.xsd#CAPITALSTOCKTables"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/CAPITALSTOCKTables" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/CAPITALSTOCKNarrativeDetails" xlink:type="simple" xlink:href="dxpe-20201231.xsd#CAPITALSTOCKNarrativeDetails"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/CAPITALSTOCKNarrativeDetails" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/CAPITALSTOCKActivityofCommonStockOutstandingDetails" xlink:type="simple" xlink:href="dxpe-20201231.xsd#CAPITALSTOCKActivityofCommonStockOutstandingDetails"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/CAPITALSTOCKActivityofCommonStockOutstandingDetails" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/SALESOFCOMMONSTOCK" xlink:type="simple" xlink:href="dxpe-20201231.xsd#SALESOFCOMMONSTOCK"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/SALESOFCOMMONSTOCK" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/SALESOFCOMMONSTOCKDetails" xlink:type="simple" xlink:href="dxpe-20201231.xsd#SALESOFCOMMONSTOCKDetails"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/SALESOFCOMMONSTOCKDetails" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/BUSINESSACQUISITIONS" xlink:type="simple" xlink:href="dxpe-20201231.xsd#BUSINESSACQUISITIONS"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/BUSINESSACQUISITIONS" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/BUSINESSACQUISITIONSTables" xlink:type="simple" xlink:href="dxpe-20201231.xsd#BUSINESSACQUISITIONSTables"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/BUSINESSACQUISITIONSTables" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/BUSINESSACQUISITIONSNarrativeDetails" xlink:type="simple" xlink:href="dxpe-20201231.xsd#BUSINESSACQUISITIONSNarrativeDetails"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/BUSINESSACQUISITIONSNarrativeDetails" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/BUSINESSACQUISITIONSTotalConsiderationTransferredandAggregateAmountofAssetsAcquiredandLiabilitiesAssumedfor2020AcquisitionsDetails" xlink:type="simple" xlink:href="dxpe-20201231.xsd#BUSINESSACQUISITIONSTotalConsiderationTransferredandAggregateAmountofAssetsAcquiredandLiabilitiesAssumedfor2020AcquisitionsDetails"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/BUSINESSACQUISITIONSTotalConsiderationTransferredandAggregateAmountofAssetsAcquiredandLiabilitiesAssumedfor2020AcquisitionsDetails" xlink:type="extended">

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_bd1ae3d9-beb8-49b0-9b7e-9d566be340d7" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_2344fd7f-dc06-4fb4-b145-943e1996c5f6" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets"/>

<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_bd1ae3d9-beb8-49b0-9b7e-9d566be340d7" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_2344fd7f-dc06-4fb4-b145-943e1996c5f6" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilities_e916d4f5-1134-4402-b926-eb8e09c85e86" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilities"/>

<link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_bd1ae3d9-beb8-49b0-9b7e-9d566be340d7" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilities_e916d4f5-1134-4402-b926-eb8e09c85e86" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities_e0f915be-4c4a-4a54-bdf7-f13947ab88fb" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities"/>

<link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_bd1ae3d9-beb8-49b0-9b7e-9d566be340d7" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities_e0f915be-4c4a-4a54-bdf7-f13947ab88fb" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_edc186cf-6b76-47b7-937e-4d81b85cb078" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory_8f9e7fcf-08e5-47df-89a4-ba4bad92ad8c" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory"/>

<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_edc186cf-6b76-47b7-937e-4d81b85cb078" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory_8f9e7fcf-08e5-47df-89a4-ba4bad92ad8c" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles_91d9e65c-b131-4f71-a4f3-d3c611ede36b" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles"/>

<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_edc186cf-6b76-47b7-937e-4d81b85cb078" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles_91d9e65c-b131-4f71-a4f3-d3c611ede36b" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther_ca645c0f-23ec-476e-8c57-a992176b1f24" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther"/>

<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_edc186cf-6b76-47b7-937e-4d81b85cb078" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther_ca645c0f-23ec-476e-8c57-a992176b1f24" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_f48661cc-9523-484e-b745-ed634afb0091" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_Goodwill"/>

<link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_edc186cf-6b76-47b7-937e-4d81b85cb078" xlink:to="loc_us-gaap_Goodwill_f48661cc-9523-484e-b745-ed634afb0091" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables_ca39eb66-fd15-49e2-8ee5-23fe393fabb2" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables"/>

<link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_edc186cf-6b76-47b7-937e-4d81b85cb078" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables_ca39eb66-fd15-49e2-8ee5-23fe393fabb2" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets_f905ff34-898c-4ccd-9838-05f7cb66a40a" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets"/>

<link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_edc186cf-6b76-47b7-937e-4d81b85cb078" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets_f905ff34-898c-4ccd-9838-05f7cb66a40a" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents_a39847a2-7bb2-4771-831b-25b9d4ef8d00" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents"/>

<link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_edc186cf-6b76-47b7-937e-4d81b85cb078" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents_a39847a2-7bb2-4771-831b-25b9d4ef8d00" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_d9c5f092-2c52-43cb-ab5a-1253648e6868" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment"/>

<link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_edc186cf-6b76-47b7-937e-4d81b85cb078" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_d9c5f092-2c52-43cb-ab5a-1253648e6868" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationConsiderationTransferred1_64029207-01b2-47b8-b77e-cced64bedef5" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationConsiderationTransferred1"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesGross_fb1766ee-010a-423e-a30d-26aba9c6ce1a" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesGross"/>

<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationConsiderationTransferred1_64029207-01b2-47b8-b77e-cced64bedef5" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessesGross_fb1766ee-010a-423e-a30d-26aba9c6ce1a" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable_c2f40814-6f24-4482-af4b-48f82b5f2f40" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable"/>

<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationConsiderationTransferred1_64029207-01b2-47b8-b77e-cced64bedef5" xlink:to="loc_us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable_c2f40814-6f24-4482-af4b-48f82b5f2f40" xlink:type="arc"/>

</link:calculationLink>

<link:roleRef roleURI="http://www.dxpe.com/role/BUSINESSACQUISITIONSProFormaInformationDetails" xlink:type="simple" xlink:href="dxpe-20201231.xsd#BUSINESSACQUISITIONSProFormaInformationDetails"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/BUSINESSACQUISITIONSProFormaInformationDetails" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/COMMITMENTSANDCONTINGENCIES" xlink:type="simple" xlink:href="dxpe-20201231.xsd#COMMITMENTSANDCONTINGENCIES"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/COMMITMENTSANDCONTINGENCIES" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/COMMITMENTSANDCONTINGENCIESTables" xlink:type="simple" xlink:href="dxpe-20201231.xsd#COMMITMENTSANDCONTINGENCIESTables"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/COMMITMENTSANDCONTINGENCIESTables" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/COMMITMENTSANDCONTINGENCIESDetails" xlink:type="simple" xlink:href="dxpe-20201231.xsd#COMMITMENTSANDCONTINGENCIESDetails"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/COMMITMENTSANDCONTINGENCIESDetails" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/EMPLOYEEBENEFITPLANS" xlink:type="simple" xlink:href="dxpe-20201231.xsd#EMPLOYEEBENEFITPLANS"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/EMPLOYEEBENEFITPLANS" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/EMPLOYEEBENEFITPLANSDetails" xlink:type="simple" xlink:href="dxpe-20201231.xsd#EMPLOYEEBENEFITPLANSDetails"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/EMPLOYEEBENEFITPLANSDetails" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/OTHERCOMPREHENSIVEINCOME" xlink:type="simple" xlink:href="dxpe-20201231.xsd#OTHERCOMPREHENSIVEINCOME"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/OTHERCOMPREHENSIVEINCOME" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/OTHERCOMPREHENSIVEINCOMEDetails" xlink:type="simple" xlink:href="dxpe-20201231.xsd#OTHERCOMPREHENSIVEINCOMEDetails"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/OTHERCOMPREHENSIVEINCOMEDetails" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/SEGMENTANDGEOGRAPHICALREPORTING" xlink:type="simple" xlink:href="dxpe-20201231.xsd#SEGMENTANDGEOGRAPHICALREPORTING"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/SEGMENTANDGEOGRAPHICALREPORTING" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/SEGMENTANDGEOGRAPHICALREPORTINGTables" xlink:type="simple" xlink:href="dxpe-20201231.xsd#SEGMENTANDGEOGRAPHICALREPORTINGTables"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/SEGMENTANDGEOGRAPHICALREPORTINGTables" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/SEGMENTANDGEOGRAPHICALREPORTINGFinancialInformationofCompanysSegmentsDetails" xlink:type="simple" xlink:href="dxpe-20201231.xsd#SEGMENTANDGEOGRAPHICALREPORTINGFinancialInformationofCompanysSegmentsDetails"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/SEGMENTANDGEOGRAPHICALREPORTINGFinancialInformationofCompanysSegmentsDetails" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/SEGMENTANDGEOGRAPHICALREPORTINGReconciliationofOperatingIncometoConsolidatedIncomeDetails" xlink:type="simple" xlink:href="dxpe-20201231.xsd#SEGMENTANDGEOGRAPHICALREPORTINGReconciliationofOperatingIncometoConsolidatedIncomeDetails"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/SEGMENTANDGEOGRAPHICALREPORTINGReconciliationofOperatingIncometoConsolidatedIncomeDetails" xlink:type="extended">

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_b7330657-c137-4aee-8500-1c8bbaf35962" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingIncomeLoss"/>

<link:loc xlink:type="locator" xlink:label="loc_dxpe_AssetImpairmentAndOtherCharges_480f7a8b-9a0a-4698-9f49-9d8c1b800145" xlink:href="dxpe-20201231.xsd#dxpe_AssetImpairmentAndOtherCharges"/>

<link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_b7330657-c137-4aee-8500-1c8bbaf35962" xlink:to="loc_dxpe_AssetImpairmentAndOtherCharges_480f7a8b-9a0a-4698-9f49-9d8c1b800145" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpense_186addbd-8245-4610-a1b6-aba25fab602c" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_GeneralAndAdministrativeExpense"/>

<link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_b7330657-c137-4aee-8500-1c8bbaf35962" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpense_186addbd-8245-4610-a1b6-aba25fab602c" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_dxpe_OperatingIncomeForReportableSegments_3b173388-6149-4be6-ab6d-6e9b44cb2c5b" xlink:href="dxpe-20201231.xsd#dxpe_OperatingIncomeForReportableSegments"/>

<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_b7330657-c137-4aee-8500-1c8bbaf35962" xlink:to="loc_dxpe_OperatingIncomeForReportableSegments_3b173388-6149-4be6-ab6d-6e9b44cb2c5b" xlink:type="arc"/>

<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_74d14c50-79cb-4e73-80f4-7d71287487ab" xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AmortizationOfIntangibleAssets"/>

<link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_b7330657-c137-4aee-8500-1c8bbaf35962" xlink:to="loc_us-gaap_AmortizationOfIntangibleAssets_74d14c50-79cb-4e73-80f4-7d71287487ab" xlink:type="arc"/>

</link:calculationLink>

<link:roleRef roleURI="http://www.dxpe.com/role/SEGMENTANDGEOGRAPHICALREPORTINGNarrativeDetails" xlink:type="simple" xlink:href="dxpe-20201231.xsd#SEGMENTANDGEOGRAPHICALREPORTINGNarrativeDetails"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/SEGMENTANDGEOGRAPHICALREPORTINGNarrativeDetails" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/SEGMENTANDGEOGRAPHICALREPORTINGRevenuesbyGeographicalLocationDetails" xlink:type="simple" xlink:href="dxpe-20201231.xsd#SEGMENTANDGEOGRAPHICALREPORTINGRevenuesbyGeographicalLocationDetails"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/SEGMENTANDGEOGRAPHICALREPORTINGRevenuesbyGeographicalLocationDetails" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/SEGMENTANDGEOGRAPHICALREPORTINGPropertyandEquipmentbyGeographicalLocationDetails" xlink:type="simple" xlink:href="dxpe-20201231.xsd#SEGMENTANDGEOGRAPHICALREPORTINGPropertyandEquipmentbyGeographicalLocationDetails"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/SEGMENTANDGEOGRAPHICALREPORTINGPropertyandEquipmentbyGeographicalLocationDetails" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/QUARTERLYFINANCIALINFORMATIONunaudited" xlink:type="simple" xlink:href="dxpe-20201231.xsd#QUARTERLYFINANCIALINFORMATIONunaudited"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/QUARTERLYFINANCIALINFORMATIONunaudited" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/QUARTERLYFINANCIALINFORMATIONunauditedTables" xlink:type="simple" xlink:href="dxpe-20201231.xsd#QUARTERLYFINANCIALINFORMATIONunauditedTables"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/QUARTERLYFINANCIALINFORMATIONunauditedTables" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/QUARTERLYFINANCIALINFORMATIONunauditedDetails" xlink:type="simple" xlink:href="dxpe-20201231.xsd#QUARTERLYFINANCIALINFORMATIONunauditedDetails"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/QUARTERLYFINANCIALINFORMATIONunauditedDetails" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/RELATEDPARTIESDISCLOSURES" xlink:type="simple" xlink:href="dxpe-20201231.xsd#RELATEDPARTIESDISCLOSURES"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/RELATEDPARTIESDISCLOSURES" xlink:type="extended"/>

<link:roleRef roleURI="http://www.dxpe.com/role/RELATEDPARTIESDISCLOSURESDetails" xlink:type="simple" xlink:href="dxpe-20201231.xsd#RELATEDPARTIESDISCLOSURESDetails"/>

<link:calculationLink xlink:role="http://www.dxpe.com/role/RELATEDPARTIESDISCLOSURESDetails" xlink:type="extended"/>

</link:linkbase>

14 Previous Filings that this Filing References

  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

12/30/20  DXP Enterprises Inc.              8-K:1,2,9  12/23/20   13:1.8M                                   Workiva Inc Wde… FA01/FA
 5/12/20  DXP Enterprises Inc.              424B5                  1:235K                                   Donnelley … Solutions/FA
 3/19/20  DXP Enterprises Inc.              8-K:1,2     3/19/20    2:102K
 8/23/19  DXP Enterprises Inc.              S-8         8/23/19    5:134K
 8/08/18  DXP Enterprises Inc.              10-Q        6/30/18   63:4.1M
 5/10/18  DXP Enterprises Inc.              10-Q        3/31/18   63:3.7M
 8/15/16  DXP Enterprises Inc.              10-Q        6/30/16   65:5M                                     Broadridge Fin’l So… Inc
 5/03/13  DXP Enterprises Inc.              8-K:5,9     5/03/13    2:49K
 7/28/11  DXP Enterprises Inc.              8-K:5       7/28/11    1:58K
 5/06/10  DXP Enterprises Inc.              S-3                    3:1.6M
 5/22/09  DXP Enterprises Inc.              8-K:1,9     5/21/09    2:25K
 7/26/06  DXP Enterprises Inc.              8-K:1,2,9   6/30/06    1:30K
 3/11/04  DXP Enterprises Inc.              10-K       12/31/03   12:569K
 8/20/98  DXP Enterprises Inc.              S-8         8/20/98    6:110K                                   Bowne - Houston/FA

↑Top

Filing Submission 0001020710-21-000026 – Alternative Formats (Word / Rich Text, HTML, Plain Text, et al.)

DXP Enterprises Inc. – ‘10-K’ for 12/31/20 – ‘EX-101.CAL’

On: Thursday, 3/18/21, at 5:07pm ET · For: 12/31/20 · Accession #: 1020710-21-26 · File #: 0-21513

Annual Report — Form 10-KFiling Table of Contents

‘EX-101.CAL’ — XBRL Calculations — dxpe-20201231_cal

This Exhibit is an XBRL XML File.

14 Previous Filings that this Filing References

Annual Report — Form 10-K
Filing Table of Contents