SEC Info  
    Home      Search      My Interests      Help      Sign In      Please Sign In

Distribution Solutions Group, Inc. – ‘10-Q’ for 9/30/22 – ‘EX-101.CAL’

On:  Thursday, 11/3/22, at 7:51am ET   ·   For:  9/30/22   ·   Accession #:  703604-22-83   ·   File #:  0-10546

Previous ‘10-Q’:  ‘10-Q’ on 8/9/22 for 6/30/22   ·   Next:  ‘10-Q’ on 5/10/23 for 3/31/23   ·   Latest:  ‘10-Q’ on 5/2/24 for 3/31/24   ·   14 References:   

Find Words in Filings emoji
 
  in    Show  and   Hints

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

11/03/22  Dist Solutions Group, Inc.        10-Q        9/30/22  100:11M

Quarterly Report   —   Form 10-Q

Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 10-Q        Quarterly Report                                    HTML   2.59M 
 2: EX-31.1     Certification -- §302 - SOA'02                      HTML     29K 
 3: EX-31.2     Certification -- §302 - SOA'02                      HTML     29K 
 4: EX-32       Certification -- §906 - SOA'02                      HTML     26K 
10: R1          Cover                                               HTML     79K 
11: R2          Condensed Consolidated Balance Sheets               HTML    147K 
12: R3          Condensed Consolidated Balance Sheets               HTML     50K 
                (Parenthetical)                                                  
13: R4          Condensed Consolidated Statements of Operations     HTML    100K 
                and Comprehensive Income (Loss)                                  
14: R5          Consolidated Statements of Changes in               HTML    127K 
                Stockholders' Equity                                             
15: R6          Consolidated Statements of Changes in               HTML     27K 
                Stockholders' Equity (Parenthetical)                             
16: R7          Condensed Consolidated Statements of Cash Flows     HTML    137K 
17: R8          Nature of Operations and Basis of Presentation      HTML     46K 
18: R9          Summary of Significant Accounting Policies          HTML     74K 
19: R10         Business Acquisitions                               HTML    184K 
20: R11         Revenue Recognition                                 HTML     62K 
21: R12         Inventories, Net                                    HTML     37K 
22: R13         Property, Plant, and Equipment                      HTML     48K 
23: R14         Rental Equipment                                    HTML     48K 
24: R15         Goodwill Goodwill                                   HTML     44K 
25: R16         Intangible Assets                                   HTML     53K 
26: R17         Leases                                              HTML    226K 
27: R18         Earnout Derivative Liability                        HTML     36K 
28: R19         Accrued Expenses and Other Current Liabilities      HTML     40K 
29: R20         Debt                                                HTML     64K 
30: R21         Stock-Based Compensation                            HTML     40K 
31: R22         Stock Repurchase Program                            HTML     29K 
32: R23         Earnings Per Share                                  HTML     55K 
33: R24         Income Taxes                                        HTML     34K 
34: R25         Commitments and Contingencies                       HTML     35K 
35: R26         Related Party Transaction                           HTML     34K 
36: R27         Segment Information                                 HTML     64K 
37: R28         Subsequent Event                                    HTML     29K 
38: R29         Summary of Significant Accounting Policies          HTML    141K 
                (Policies)                                                       
39: R30         Business Acquisitions (Tables)                      HTML    175K 
40: R31         Revenue Recognition (Tables)                        HTML     45K 
41: R32         Inventories (Tables)                                HTML     38K 
42: R33         Property, Plant, and Equipment (Tables)             HTML     40K 
43: R34         Rental Equipment (Tables)                           HTML     32K 
44: R35         Goodwill (Tables)                                   HTML     46K 
45: R36         Intangible Assets (Tables)                          HTML     54K 
46: R37         Leases (Tables)                                     HTML    114K 
47: R38         Earnout Derivative Liability (Tables)               HTML     33K 
48: R39         Accrued Expenses and Other Current Liabilities      HTML     40K 
                (Tables)                                                         
49: R40         Debt (Tables)                                       HTML     43K 
50: R41         Segment Reporting (Tables)                          HTML     58K 
51: R42         Nature of Operations and Basis of Presentation      HTML     56K 
                (Details)                                                        
52: R43         Summary of Significant Accounting Policies -        HTML     32K 
                Revenue Recognition (Details)                                    
53: R44         Summary of Significant Accounting Policies -        HTML     47K 
                Property and Equipment (Details)                                 
54: R45         Summary of Significant Accounting Policies -        HTML     29K 
                Goodwill (Details)                                               
55: R46         Summary of Significant Accounting Policies -        HTML     34K 
                Intangible Assets (Details)                                      
56: R47         Summary of Significant Accounting Policies -        HTML     38K 
                Treasury Stock (Details)                                         
57: R48         Summary of Significant Accounting Policies -        HTML     30K 
                Segment Information (Details)                                    
58: R49         Summary of Significant Accounting Policies -        HTML     32K 
                Supplier Concentrations (Details)                                
59: R50         Business Acquisitions - Narrative (Details)         HTML     69K 
60: R51         Business Acquisitions - Initial Purchase Price      HTML     38K 
                Allocation (Details)                                             
61: R52         Business Acquisitions - Schedule of Acquired        HTML    255K 
                Assets and Liabilities (Details)                                 
62: R53         Business Acquisitions - Intangible Assets Acquired  HTML     36K 
                (Details)                                                        
63: R54         Business Acquisitions - Pro Forma Information       HTML     43K 
                (Details)                                                        
64: R55         Revenue Recognition - Narrative (Details)           HTML     56K 
65: R56         Revenue Recognition - Schedule of Disaggregation    HTML     44K 
                of Revenue (Details)                                             
66: R57         Inventories - Schedule of Inventory (Details)       HTML     32K 
67: R58         Inventories - Rollforward of Inventory Reserves     HTML     32K 
                (Details)                                                        
68: R59         Property, Plant, and Equipment (Details)            HTML     58K 
69: R60         Rental Equipment (Details)                          HTML     40K 
70: R61         Goodwill (Details)                                  HTML     46K 
71: R62         Intangible Assets - Carrying Amount (Details)       HTML     49K 
72: R63         Intangible Assets - Maturity (Details)              HTML     43K 
73: R64         Leases - Net Lease Cost (Details)                   HTML     37K 
74: R65         Leases - Net Lease Assets and Liabilities           HTML     56K 
                (Details)                                                        
75: R66         Leases - Value of Lease Liabilities (Details)       HTML     80K 
76: R67         Leases - Leases Weighted-Average Lease Terms and    HTML     34K 
                Interest Rates (Details)                                         
77: R68         Leases - Cash Outflows of the Leasing Activity      HTML     32K 
                (Details)                                                        
78: R69         Earnout Derivative Liability - Narrative (Details)  HTML     44K 
79: R70         Earnout Derivative Liability - Schedule of Earnout  HTML     35K 
                Liability (Details)                                              
80: R71         Accrued Expenses and Other Current Liabilities -    HTML     51K 
                Components of Accrued Expenses and Other Current                 
                Liabilities (Details)                                            
81: R72         Debt - Schedule of Long-term Debt (Details)         HTML     54K 
82: R73         Debt - Narrative (Details)                          HTML    156K 
83: R74         Stock-Based Compensation - Equity Compensation      HTML     37K 
                Plans (Details)                                                  
84: R75         Stock-Based Compensation - Stock Performance        HTML     34K 
                Rights (Details)                                                 
85: R76         Stock-Based Compensation - Restricted Stock Units   HTML     38K 
                (Details)                                                        
86: R77         Stock-Based Compensation - Market Stock Units       HTML     33K 
                (Details)                                                        
87: R78         Stock-Based Compensation - Stock Options (Details)  HTML     34K 
88: R79         Stock-Based Compensation - Performance Awards       HTML     34K 
                (Details)                                                        
89: R80         Stock Repurchase Program (Details)                  HTML     44K 
90: R81         Earnings Per Share (Details)                        HTML     66K 
91: R82         Income Taxes (Details)                              HTML     31K 
92: R83         Commitments and Contingencies (Details)             HTML     31K 
93: R84         Related Party Transaction (Details)                 HTML     62K 
94: R85         Segment Reporting - Reportable Segment Information  HTML     52K 
                (Details)                                                        
95: R86         Subsequent Event (Details)                          HTML     32K 
98: XML         IDEA XML File -- Filing Summary                      XML    183K 
96: XML         XBRL Instance -- dsgr-20220930_htm                   XML   2.80M 
97: EXCEL       IDEA Workbook of Financial Reports                  XLSX    211K 
 6: EX-101.CAL  XBRL Calculations -- dsgr-20220930_cal               XML    281K 
 7: EX-101.DEF  XBRL Definitions -- dsgr-20220930_def                XML    729K 
 8: EX-101.LAB  XBRL Labels -- dsgr-20220930_lab                     XML   1.85M 
 9: EX-101.PRE  XBRL Presentations -- dsgr-20220930_pre              XML   1.22M 
 5: EX-101.SCH  XBRL Schema -- dsgr-20220930                         XSD    212K 
99: JSON        XBRL Instance as JSON Data -- MetaLinks              482±   724K 
100: ZIP         XBRL Zipped Folder -- 0000703604-22-000083-xbrl      Zip    528K  


‘EX-101.CAL’   —   XBRL Calculations — dsgr-20220930_cal


This Exhibit is an XBRL XML File.


                                                                                                                                                                                
<?xml version="1.0" encoding="windows-1252"?>
<!-- XBRL Document Created with Wdesk from Workiva -->
<!-- Copyright 2022 Workiva -->
<!-- r:2fa3f835-16ce-48fb-949b-b1c39e0425ef,g:7b9e9254-48d5-4f6a-b32c-cd81a8a4dcb2 -->
<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.lawsonproducts.com/role/CondensedConsolidatedBalanceSheets" xlink:type="simple" xlink:href="dsgr-20220930.xsd#CondensedConsolidatedBalanceSheets"/>
<link:calculationLink xlink:role="http://www.lawsonproducts.com/role/CondensedConsolidatedBalanceSheets" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_cdf6998a-f5b8-4159-81a1-db5639d20a26" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LiabilitiesCurrent"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtCurrent_edcafc02-3ef8-41b0-b21e-48937a7168e6" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.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_cdf6998a-f5b8-4159-81a1-db5639d20a26" xlink:to="loc_us-gaap_LongTermDebtCurrent_edcafc02-3ef8-41b0-b21e-48937a7168e6" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableCurrent_e4491021-05d8-4761-86c8-d0beb7bcaff4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccountsPayableCurrent"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_cdf6998a-f5b8-4159-81a1-db5639d20a26" xlink:to="loc_us-gaap_AccountsPayableCurrent_e4491021-05d8-4761-86c8-d0beb7bcaff4" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilitiesCurrent_ca1fc1a7-bb47-40e0-95c4-0cdff4792e40" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeLiabilitiesCurrent"/>
<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_cdf6998a-f5b8-4159-81a1-db5639d20a26" xlink:to="loc_us-gaap_DerivativeLiabilitiesCurrent_ca1fc1a7-bb47-40e0-95c4-0cdff4792e40" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_dsgr_AccruedLiabilitiesAndOtherAccruedLiabilitiesCurrent_0b232915-aae0-4b96-b1c8-0b84c3c0b801" xlink:href="dsgr-20220930.xsd#dsgr_AccruedLiabilitiesAndOtherAccruedLiabilitiesCurrent"/>
<link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_cdf6998a-f5b8-4159-81a1-db5639d20a26" xlink:to="loc_dsgr_AccruedLiabilitiesAndOtherAccruedLiabilitiesCurrent_0b232915-aae0-4b96-b1c8-0b84c3c0b801" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_dsgr_LeaseLiabilityCurrent_b7007dd6-5c73-4125-8b27-c817b1c172b0" xlink:href="dsgr-20220930.xsd#dsgr_LeaseLiabilityCurrent"/>
<link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_cdf6998a-f5b8-4159-81a1-db5639d20a26" xlink:to="loc_dsgr_LeaseLiabilityCurrent_b7007dd6-5c73-4125-8b27-c817b1c172b0" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DueToRelatedPartiesCurrent_473a5188-6076-4579-b333-ed072a7a219e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DueToRelatedPartiesCurrent"/>
<link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_cdf6998a-f5b8-4159-81a1-db5639d20a26" xlink:to="loc_us-gaap_DueToRelatedPartiesCurrent_473a5188-6076-4579-b333-ed072a7a219e" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_00a7bc13-ac7e-4498-90e1-11a7dad60668" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AssetsCurrent"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_35608105-7cb2-46d1-a6be-8ff1aeba54e0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_00a7bc13-ac7e-4498-90e1-11a7dad60668" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_35608105-7cb2-46d1-a6be-8ff1aeba54e0" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_9733c777-a5df-4afb-8d56-c1ad3ff5b90f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_00a7bc13-ac7e-4498-90e1-11a7dad60668" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_9733c777-a5df-4afb-8d56-c1ad3ff5b90f" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_b7a896ed-69d0-458e-ad79-b022a770cfa2" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccountsReceivableNetCurrent"/>
<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_00a7bc13-ac7e-4498-90e1-11a7dad60668" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_b7a896ed-69d0-458e-ad79-b022a770cfa2" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNet_588b0ab3-02fe-477b-88b6-3a4540d7ab6c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InventoryNet"/>
<link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_00a7bc13-ac7e-4498-90e1-11a7dad60668" xlink:to="loc_us-gaap_InventoryNet_588b0ab3-02fe-477b-88b6-3a4540d7ab6c" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_f5b7d75e-237b-496c-9525-8e7ceebb1bd8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent"/>
<link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_00a7bc13-ac7e-4498-90e1-11a7dad60668" xlink:to="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_f5b7d75e-237b-496c-9525-8e7ceebb1bd8" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_60606bd5-e093-4073-9e6d-fb313056338f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_Assets"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_c5045ff6-b07d-4caa-97be-b36270da86ec" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.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_60606bd5-e093-4073-9e6d-fb313056338f" xlink:to="loc_us-gaap_AssetsCurrent_c5045ff6-b07d-4caa-97be-b36270da86ec" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentExcludingLessorAssetUnderOperatingLeaseAfterAccumulatedDepreciation_4f0b45d5-a2c7-43a6-90ae-65776bdab3cd" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PropertyPlantAndEquipmentExcludingLessorAssetUnderOperatingLeaseAfterAccumulatedDepreciation"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_60606bd5-e093-4073-9e6d-fb313056338f" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentExcludingLessorAssetUnderOperatingLeaseAfterAccumulatedDepreciation_4f0b45d5-a2c7-43a6-90ae-65776bdab3cd" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxAssetsNet_595f2584-d0d9-4471-bb0c-208abe5f825e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DeferredIncomeTaxAssetsNet"/>
<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_60606bd5-e093-4073-9e6d-fb313056338f" xlink:to="loc_us-gaap_DeferredIncomeTaxAssetsNet_595f2584-d0d9-4471-bb0c-208abe5f825e" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_b8f44d8d-c44c-4ff6-8781-4fb744e88c4f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.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_Assets_60606bd5-e093-4073-9e6d-fb313056338f" xlink:to="loc_us-gaap_Goodwill_b8f44d8d-c44c-4ff6-8781-4fb744e88c4f" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashSurrenderValueOfLifeInsurance_fa0964f6-eb22-4227-aef8-cfff03ae1f6b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CashSurrenderValueOfLifeInsurance"/>
<link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_60606bd5-e093-4073-9e6d-fb313056338f" xlink:to="loc_us-gaap_CashSurrenderValueOfLifeInsurance_fa0964f6-eb22-4227-aef8-cfff03ae1f6b" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_09a93a3c-c3c0-4c17-87f6-616993b885a4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill"/>
<link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_60606bd5-e093-4073-9e6d-fb313056338f" xlink:to="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_09a93a3c-c3c0-4c17-87f6-616993b885a4" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_aecfbb66-76a2-47f2-b0fc-091caa99e831" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherAssetsNoncurrent"/>
<link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_60606bd5-e093-4073-9e6d-fb313056338f" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_aecfbb66-76a2-47f2-b0fc-091caa99e831" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_84dd0916-100d-492a-9e9d-b86d36dd6648" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingLeaseRightOfUseAsset"/>
<link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_60606bd5-e093-4073-9e6d-fb313056338f" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_84dd0916-100d-492a-9e9d-b86d36dd6648" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertySubjectToOrAvailableForOperatingLeaseNet_4a202d1b-e68c-422d-8399-98c2b9fedc7a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PropertySubjectToOrAvailableForOperatingLeaseNet"/>
<link:calculationArc order="9" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_60606bd5-e093-4073-9e6d-fb313056338f" xlink:to="loc_us-gaap_PropertySubjectToOrAvailableForOperatingLeaseNet_4a202d1b-e68c-422d-8399-98c2b9fedc7a" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_adea4d59-d2a9-46d2-8c6b-69fefbb12a38" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_7dc8c78d-3c08-49cf-94f5-f0c9d13a831e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_Liabilities"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_adea4d59-d2a9-46d2-8c6b-69fefbb12a38" xlink:to="loc_us-gaap_Liabilities_7dc8c78d-3c08-49cf-94f5-f0c9d13a831e" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_85af6517-3335-49de-9364-e0b42cb6155a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockholdersEquity"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_adea4d59-d2a9-46d2-8c6b-69fefbb12a38" xlink:to="loc_us-gaap_StockholdersEquity_85af6517-3335-49de-9364-e0b42cb6155a" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_b153b138-a0e2-4b8b-afcc-683ae27fd97c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_Liabilities"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_9aee0060-57a9-4e7d-a4f3-068cee34148e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.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_b153b138-a0e2-4b8b-afcc-683ae27fd97c" xlink:to="loc_us-gaap_LiabilitiesCurrent_9aee0060-57a9-4e7d-a4f3-068cee34148e" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_9dae0121-69bc-4fa8-a5b0-b924b1fb3625" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DeferredIncomeTaxLiabilitiesNet"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_b153b138-a0e2-4b8b-afcc-683ae27fd97c" xlink:to="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_9dae0121-69bc-4fa8-a5b0-b924b1fb3625" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_dsgr_SecurityBonusPlan_e0348f3f-8445-4f37-9c48-f9e73d4c8d95" xlink:href="dsgr-20220930.xsd#dsgr_SecurityBonusPlan"/>
<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_b153b138-a0e2-4b8b-afcc-683ae27fd97c" xlink:to="loc_dsgr_SecurityBonusPlan_e0348f3f-8445-4f37-9c48-f9e73d4c8d95" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_dsgr_LeaseLiabilityNoncurrent_d2f93325-4abe-4233-bda4-8c3ad1b7f035" xlink:href="dsgr-20220930.xsd#dsgr_LeaseLiabilityNoncurrent"/>
<link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_b153b138-a0e2-4b8b-afcc-683ae27fd97c" xlink:to="loc_dsgr_LeaseLiabilityNoncurrent_d2f93325-4abe-4233-bda4-8c3ad1b7f035" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredCompensationLiabilityClassifiedNoncurrent_de281ec7-05d3-40b3-a351-7023981b5521" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DeferredCompensationLiabilityClassifiedNoncurrent"/>
<link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_b153b138-a0e2-4b8b-afcc-683ae27fd97c" xlink:to="loc_us-gaap_DeferredCompensationLiabilityClassifiedNoncurrent_de281ec7-05d3-40b3-a351-7023981b5521" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_2eebb430-3c5f-40e3-addd-2172fbe69ee5" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherLiabilitiesNoncurrent"/>
<link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_b153b138-a0e2-4b8b-afcc-683ae27fd97c" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_2eebb430-3c5f-40e3-addd-2172fbe69ee5" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_8810053b-d51b-48a5-a073-08ee7ee69507" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongTermDebtNoncurrent"/>
<link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_b153b138-a0e2-4b8b-afcc-683ae27fd97c" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_8810053b-d51b-48a5-a073-08ee7ee69507" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_549355d6-e81d-4aca-bc5f-c76c9f226692" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockholdersEquity"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockValue_083d53cf-f294-45d1-826e-31feb5851e35" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PreferredStockValue"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_549355d6-e81d-4aca-bc5f-c76c9f226692" xlink:to="loc_us-gaap_PreferredStockValue_083d53cf-f294-45d1-826e-31feb5851e35" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockValue_0c949afd-a7ec-4622-b982-cde3cafaec07" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.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_549355d6-e81d-4aca-bc5f-c76c9f226692" xlink:to="loc_us-gaap_CommonStockValue_0c949afd-a7ec-4622-b982-cde3cafaec07" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalCommonStock_3c9b8550-2b43-4237-8c10-6f8c61bbee0e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AdditionalPaidInCapitalCommonStock"/>
<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_549355d6-e81d-4aca-bc5f-c76c9f226692" xlink:to="loc_us-gaap_AdditionalPaidInCapitalCommonStock_3c9b8550-2b43-4237-8c10-6f8c61bbee0e" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_a7107dbf-7e38-41dc-a557-6b3943d8a17d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.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_549355d6-e81d-4aca-bc5f-c76c9f226692" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_a7107dbf-7e38-41dc-a557-6b3943d8a17d" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockValue_05052211-383a-4d17-9f05-c9140b23ccfe" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_TreasuryStockValue"/>
<link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_549355d6-e81d-4aca-bc5f-c76c9f226692" xlink:to="loc_us-gaap_TreasuryStockValue_05052211-383a-4d17-9f05-c9140b23ccfe" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_cfd9b513-4b37-4f94-8d12-48b7adc31b7e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
<link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_549355d6-e81d-4aca-bc5f-c76c9f226692" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_cfd9b513-4b37-4f94-8d12-48b7adc31b7e" xlink:type="arc"/>
</link:calculationLink>
<link:roleRef roleURI="http://www.lawsonproducts.com/role/CondensedConsolidatedStatementsofOperationsandComprehensiveIncomeLoss" xlink:type="simple" xlink:href="dsgr-20220930.xsd#CondensedConsolidatedStatementsofOperationsandComprehensiveIncomeLoss"/>
<link:calculationLink xlink:role="http://www.lawsonproducts.com/role/CondensedConsolidatedStatementsofOperationsandComprehensiveIncomeLoss" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_3df59d41-a51e-46fa-b933-3561d3ed44d4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ComprehensiveIncomeNetOfTax"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_061f076b-ca92-49fe-b259-bfad83346917" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.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_ComprehensiveIncomeNetOfTax_3df59d41-a51e-46fa-b933-3561d3ed44d4" xlink:to="loc_us-gaap_NetIncomeLoss_061f076b-ca92-49fe-b259-bfad83346917" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent_d5402765-639b-4506-a029-9b5350e7bfa9" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_3df59d41-a51e-46fa-b933-3561d3ed44d4" xlink:to="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent_d5402765-639b-4506-a029-9b5350e7bfa9" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_2b3b7898-3e65-41c9-a868-409288b8cd05" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_70a9cd18-5888-48a5-881c-44253ee562d8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_2b3b7898-3e65-41c9-a868-409288b8cd05" xlink:to="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_70a9cd18-5888-48a5-881c-44253ee562d8" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpense_2201a12f-019d-438b-80f9-dff2520a5be4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.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_2b3b7898-3e65-41c9-a868-409288b8cd05" xlink:to="loc_us-gaap_InterestExpense_2201a12f-019d-438b-80f9-dff2520a5be4" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeGainLossOnDerivativeNet_4546deb7-ded0-4816-a84b-4eeba44b2934" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeGainLossOnDerivativeNet"/>
<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_2b3b7898-3e65-41c9-a868-409288b8cd05" xlink:to="loc_us-gaap_DerivativeGainLossOnDerivativeNet_4546deb7-ded0-4816-a84b-4eeba44b2934" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_821acb9e-72eb-41a9-b259-01073a604e37" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingIncomeLoss"/>
<link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_2b3b7898-3e65-41c9-a868-409288b8cd05" xlink:to="loc_us-gaap_OperatingIncomeLoss_821acb9e-72eb-41a9-b259-01073a604e37" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_6ee3c202-77d9-4137-af42-b37a0b824d52" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherNonoperatingIncomeExpense"/>
<link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_2b3b7898-3e65-41c9-a868-409288b8cd05" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_6ee3c202-77d9-4137-af42-b37a0b824d52" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_db5b5006-25c4-42a1-95d1-a8ec010b774f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingIncomeLoss"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_GrossProfit_6bec5add-38f3-4f8a-8dd4-d707a1b6b144" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_GrossProfit"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_db5b5006-25c4-42a1-95d1-a8ec010b774f" xlink:to="loc_us-gaap_GrossProfit_6bec5add-38f3-4f8a-8dd4-d707a1b6b144" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_0c5bdb35-5d6b-4302-a7eb-a4f371bd5888" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SellingGeneralAndAdministrativeExpense"/>
<link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_db5b5006-25c4-42a1-95d1-a8ec010b774f" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_0c5bdb35-5d6b-4302-a7eb-a4f371bd5888" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_e754b898-cce1-4c31-9860-1201772ee4d1" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetIncomeLoss"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_345626e9-5053-4422-8f15-786810b02a5d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.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_NetIncomeLoss_e754b898-cce1-4c31-9860-1201772ee4d1" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_345626e9-5053-4422-8f15-786810b02a5d" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_6324db91-ca27-466f-8203-351e311cbe54" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.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_NetIncomeLoss_e754b898-cce1-4c31-9860-1201772ee4d1" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_6324db91-ca27-466f-8203-351e311cbe54" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_GrossProfit_2552f4c9-9350-4f8b-9e9e-480541052992" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_GrossProfit"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_f6a2f105-9e48-46a9-9113-61b13b425ba7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.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_2552f4c9-9350-4f8b-9e9e-480541052992" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSold_f6a2f105-9e48-46a9-9113-61b13b425ba7" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_659aef1d-a524-4c21-bc9a-61c1f0cc1fa8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.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_2552f4c9-9350-4f8b-9e9e-480541052992" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_659aef1d-a524-4c21-bc9a-61c1f0cc1fa8" xlink:type="arc"/>
</link:calculationLink>
<link:roleRef roleURI="http://www.lawsonproducts.com/role/CondensedConsolidatedStatementsofCashFlows" xlink:type="simple" xlink:href="dsgr-20220930.xsd#CondensedConsolidatedStatementsofCashFlows"/>
<link:calculationLink xlink:role="http://www.lawsonproducts.com/role/CondensedConsolidatedStatementsofCashFlows" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f48eb29a-4abb-4c0c-8f27-8dde98606804" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_00831807-005f-4458-abbf-d530420c40c5" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt"/>
<link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f48eb29a-4abb-4c0c-8f27-8dde98606804" xlink:to="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_00831807-005f-4458-abbf-d530420c40c5" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_c09322f1-8b0f-44f8-8b73-78556120d34c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f48eb29a-4abb-4c0c-8f27-8dde98606804" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_c09322f1-8b0f-44f8-8b73-78556120d34c" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInInventories_0f5bee56-831b-40b7-8a9b-de4c9d3c8ceb" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInInventories"/>
<link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f48eb29a-4abb-4c0c-8f27-8dde98606804" xlink:to="loc_us-gaap_IncreaseDecreaseInInventories_0f5bee56-831b-40b7-8a9b-de4c9d3c8ceb" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryLIFOReserveEffectOnIncomeNet_7f8ea0b3-8f80-4617-9f72-29ad381e2826" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InventoryLIFOReserveEffectOnIncomeNet"/>
<link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f48eb29a-4abb-4c0c-8f27-8dde98606804" xlink:to="loc_us-gaap_InventoryLIFOReserveEffectOnIncomeNet_7f8ea0b3-8f80-4617-9f72-29ad381e2826" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities_5baa2d27-c044-44a1-9bd2-60ed72eefbf3" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities"/>
<link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f48eb29a-4abb-4c0c-8f27-8dde98606804" xlink:to="loc_us-gaap_IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities_5baa2d27-c044-44a1-9bd2-60ed72eefbf3" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_b02ae26b-dea1-4c9a-8109-73e46031fa1b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable"/>
<link:calculationArc order="6" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f48eb29a-4abb-4c0c-8f27-8dde98606804" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_b02ae26b-dea1-4c9a-8109-73e46031fa1b" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_8c0726be-34ea-4c95-9ad4-76dc76e4eea4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DepreciationDepletionAndAmortization"/>
<link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f48eb29a-4abb-4c0c-8f27-8dde98606804" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_8c0726be-34ea-4c95-9ad4-76dc76e4eea4" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_e9894e4d-5c88-4640-a1d2-3c9df5b02409" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets"/>
<link:calculationArc order="8" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f48eb29a-4abb-4c0c-8f27-8dde98606804" xlink:to="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_e9894e4d-5c88-4640-a1d2-3c9df5b02409" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_18b7ba53-81a0-4cac-a0cb-0538b916b488" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetIncomeLoss"/>
<link:calculationArc order="9" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f48eb29a-4abb-4c0c-8f27-8dde98606804" xlink:to="loc_us-gaap_NetIncomeLoss_18b7ba53-81a0-4cac-a0cb-0538b916b488" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_ba43701e-b791-4871-9382-45ad7dfca628" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet"/>
<link:calculationArc order="10" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f48eb29a-4abb-4c0c-8f27-8dde98606804" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_ba43701e-b791-4871-9382-45ad7dfca628" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfFinancingCosts_1fb1051c-3b25-49b6-9916-7042113c2298" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AmortizationOfFinancingCosts"/>
<link:calculationArc order="11" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f48eb29a-4abb-4c0c-8f27-8dde98606804" xlink:to="loc_us-gaap_AmortizationOfFinancingCosts_1fb1051c-3b25-49b6-9916-7042113c2298" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeBenefitsAndShareBasedCompensation_5e47f6c6-5b9c-4ab2-8040-834d0efeb972" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EmployeeBenefitsAndShareBasedCompensation"/>
<link:calculationArc order="12" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f48eb29a-4abb-4c0c-8f27-8dde98606804" xlink:to="loc_us-gaap_EmployeeBenefitsAndShareBasedCompensation_5e47f6c6-5b9c-4ab2-8040-834d0efeb972" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeGainLossOnDerivativeNet_93df1100-c9d2-4f9b-8726-460ca3f899a9" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeGainLossOnDerivativeNet"/>
<link:calculationArc order="13" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f48eb29a-4abb-4c0c-8f27-8dde98606804" xlink:to="loc_us-gaap_DerivativeGainLossOnDerivativeNet_93df1100-c9d2-4f9b-8726-460ca3f899a9" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnSaleOfLeasedAssetsNetOperatingLeases_2768c742-cd02-4f16-acc7-dec540f4ba17" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_GainLossOnSaleOfLeasedAssetsNetOperatingLeases"/>
<link:calculationArc order="14" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f48eb29a-4abb-4c0c-8f27-8dde98606804" xlink:to="loc_us-gaap_GainLossOnSaleOfLeasedAssetsNetOperatingLeases_2768c742-cd02-4f16-acc7-dec540f4ba17" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNoncashIncomeExpense_1bce236e-366f-4278-aa23-d48d59958074" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherNoncashIncomeExpense"/>
<link:calculationArc order="15" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f48eb29a-4abb-4c0c-8f27-8dde98606804" xlink:to="loc_us-gaap_OtherNoncashIncomeExpense_1bce236e-366f-4278-aa23-d48d59958074" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_dsgr_StepUpOfInventory_c414cb4b-7e9c-4d15-a59c-35208833c698" xlink:href="dsgr-20220930.xsd#dsgr_StepUpOfInventory"/>
<link:calculationArc order="16" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_f48eb29a-4abb-4c0c-8f27-8dde98606804" xlink:to="loc_dsgr_StepUpOfInventory_c414cb4b-7e9c-4d15-a59c-35208833c698" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_8919eac0-79f6-4ff3-a450-031126396f23" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfSecuredDebt_2a0efe16-83c2-446b-a914-8a2c71145cfd" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProceedsFromIssuanceOfSecuredDebt"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_8919eac0-79f6-4ff3-a450-031126396f23" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfSecuredDebt_2a0efe16-83c2-446b-a914-8a2c71145cfd" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfFinancingCosts_8168d1d4-aec5-49a1-8f3c-8ad5a93dc73f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PaymentsOfFinancingCosts"/>
<link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_8919eac0-79f6-4ff3-a450-031126396f23" xlink:to="loc_us-gaap_PaymentsOfFinancingCosts_8168d1d4-aec5-49a1-8f3c-8ad5a93dc73f" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromContributedCapital_4c50e0e4-bcc2-4c51-aff3-93ecbbe2222a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProceedsFromContributedCapital"/>
<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_8919eac0-79f6-4ff3-a450-031126396f23" xlink:to="loc_us-gaap_ProceedsFromContributedCapital_4c50e0e4-bcc2-4c51-aff3-93ecbbe2222a" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfSecuredDebt_f98d9636-88b4-43c3-98ef-2e7fb925436e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RepaymentsOfSecuredDebt"/>
<link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_8919eac0-79f6-4ff3-a450-031126396f23" xlink:to="loc_us-gaap_RepaymentsOfSecuredDebt_f98d9636-88b4-43c3-98ef-2e7fb925436e" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromRepaymentsOfLinesOfCredit_bcba9594-d82a-49fd-bce6-5f0a8f75ba4f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProceedsFromRepaymentsOfLinesOfCredit"/>
<link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_8919eac0-79f6-4ff3-a450-031126396f23" xlink:to="loc_us-gaap_ProceedsFromRepaymentsOfLinesOfCredit_bcba9594-d82a-49fd-bce6-5f0a8f75ba4f" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeasePrincipalPayments_4f1b0426-6538-46a9-b6a1-4f4aa742e2ef" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FinanceLeasePrincipalPayments"/>
<link:calculationArc order="6" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_8919eac0-79f6-4ff3-a450-031126396f23" xlink:to="loc_us-gaap_FinanceLeasePrincipalPayments_4f1b0426-6538-46a9-b6a1-4f4aa742e2ef" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfLongTermLinesOfCredit_1ec77527-45b6-4120-b5b7-ca79771b8367" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RepaymentsOfLongTermLinesOfCredit"/>
<link:calculationArc order="7" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_8919eac0-79f6-4ff3-a450-031126396f23" xlink:to="loc_us-gaap_RepaymentsOfLongTermLinesOfCredit_1ec77527-45b6-4120-b5b7-ca79771b8367" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_c753df5f-076e-4a6d-a610-f1478baf55fc" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock"/>
<link:calculationArc order="8" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_8919eac0-79f6-4ff3-a450-031126396f23" xlink:to="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_c753df5f-076e-4a6d-a610-f1478baf55fc" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_dsgr_SharesRepurchasedHeldInTreasury_f3fc9ae8-f40b-48f5-845c-2830be6878ba" xlink:href="dsgr-20220930.xsd#dsgr_SharesRepurchasedHeldInTreasury"/>
<link:calculationArc order="9" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_8919eac0-79f6-4ff3-a450-031126396f23" xlink:to="loc_dsgr_SharesRepurchasedHeldInTreasury_f3fc9ae8-f40b-48f5-845c-2830be6878ba" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_9491d726-e5cc-4c95-86fa-2a7a43c117b1" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_316e52f7-b80c-4550-991b-3e0ee286f56e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_9491d726-e5cc-4c95-86fa-2a7a43c117b1" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_316e52f7-b80c-4550-991b-3e0ee286f56e" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_4af20085-be77-49dd-ac2c-0e80c0753d3a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_9491d726-e5cc-4c95-86fa-2a7a43c117b1" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_4af20085-be77-49dd-ac2c-0e80c0753d3a" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_65900468-21a6-45a6-960c-8271eef56f2b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
<link:loc xlink:type="locator" xlink:label="loc_dsgr_PaymentsToAcquireRentalEquipment_d15b74ec-847d-4aaa-a641-51f2bb17c580" xlink:href="dsgr-20220930.xsd#dsgr_PaymentsToAcquireRentalEquipment"/>
<link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_65900468-21a6-45a6-960c-8271eef56f2b" xlink:to="loc_dsgr_PaymentsToAcquireRentalEquipment_d15b74ec-847d-4aaa-a641-51f2bb17c580" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_ebc503bf-151d-4fac-89ca-b3b1e69da5f0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired"/>
<link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_65900468-21a6-45a6-960c-8271eef56f2b" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_ebc503bf-151d-4fac-89ca-b3b1e69da5f0" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleOfMachineryAndEquipment_457bc598-4b8f-4d3a-8bab-1cb1372896f6" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProceedsFromSaleOfMachineryAndEquipment"/>
<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_65900468-21a6-45a6-960c-8271eef56f2b" xlink:to="loc_us-gaap_ProceedsFromSaleOfMachineryAndEquipment_457bc598-4b8f-4d3a-8bab-1cb1372896f6" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_79f118dc-8828-40b8-ab0f-2303b563be5a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/>
<link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_65900468-21a6-45a6-960c-8271eef56f2b" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_79f118dc-8828-40b8-ab0f-2303b563be5a" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_053c71f4-8832-415d-bed1-cff9184f6f61" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_51aaf9c1-e596-4c5e-9b2a-12bc417f01b3" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_053c71f4-8832-415d-bed1-cff9184f6f61" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_51aaf9c1-e596-4c5e-9b2a-12bc417f01b3" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_7372543a-069f-40fd-9a5c-967e900ca4a6" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_053c71f4-8832-415d-bed1-cff9184f6f61" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_7372543a-069f-40fd-9a5c-967e900ca4a6" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_72b3a0a6-ce52-4f9c-9a09-9d39815e3bed" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_053c71f4-8832-415d-bed1-cff9184f6f61" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_72b3a0a6-ce52-4f9c-9a09-9d39815e3bed" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_98500324-7045-4413-be28-55809171a150" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
<link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_053c71f4-8832-415d-bed1-cff9184f6f61" xlink:to="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_98500324-7045-4413-be28-55809171a150" xlink:type="arc"/>
</link:calculationLink>
<link:roleRef roleURI="http://www.lawsonproducts.com/role/BusinessAcquisitionsInitialPurchasePriceAllocationDetails" xlink:type="simple" xlink:href="dsgr-20220930.xsd#BusinessAcquisitionsInitialPurchasePriceAllocationDetails"/>
<link:calculationLink xlink:role="http://www.lawsonproducts.com/role/BusinessAcquisitionsInitialPurchasePriceAllocationDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationConsiderationTransferred1_00aa3a64-04e0-43f2-9981-35866f191908" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_BusinessCombinationConsiderationTransferred1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable_5a7b46ed-f8e6-4311-becb-94bc998430a2" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationConsiderationTransferred1_00aa3a64-04e0-43f2-9981-35866f191908" xlink:to="loc_us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable_5a7b46ed-f8e6-4311-becb-94bc998430a2" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationConsiderationTransferredOther1_38b35dae-2d72-4fa2-8411-ac4306de0e95" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_BusinessCombinationConsiderationTransferredOther1"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationConsiderationTransferred1_00aa3a64-04e0-43f2-9981-35866f191908" xlink:to="loc_us-gaap_BusinessCombinationConsiderationTransferredOther1_38b35dae-2d72-4fa2-8411-ac4306de0e95" xlink:type="arc"/>
</link:calculationLink>
<link:roleRef roleURI="http://www.lawsonproducts.com/role/BusinessAcquisitionsScheduleofAcquiredAssetsandLiabilitiesDetails" xlink:type="simple" xlink:href="dsgr-20220930.xsd#BusinessAcquisitionsScheduleofAcquiredAssetsandLiabilitiesDetails"/>
<link:calculationLink xlink:role="http://www.lawsonproducts.com/role/BusinessAcquisitionsScheduleofAcquiredAssetsandLiabilitiesDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_3169c9e1-8861-4972-8115-5269a0b337c8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_f2c3c284-d3b0-44d3-9c5b-e287baae26c2" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_3169c9e1-8861-4972-8115-5269a0b337c8" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_f2c3c284-d3b0-44d3-9c5b-e287baae26c2" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_f49c329b-7870-4cb6-9874-d3ed4bc86fa1" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_3169c9e1-8861-4972-8115-5269a0b337c8" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_f49c329b-7870-4cb6-9874-d3ed4bc86fa1" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities_d6f59688-421e-40d9-b21f-3d8d0953efb5" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.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_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_3169c9e1-8861-4972-8115-5269a0b337c8" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities_d6f59688-421e-40d9-b21f-3d8d0953efb5" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther_2d97df0d-9b03-42a7-8c92-4e518ca8aa3f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther"/>
<link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_3169c9e1-8861-4972-8115-5269a0b337c8" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther_2d97df0d-9b03-42a7-8c92-4e518ca8aa3f" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCapitalLeaseObligation_61dc2695-bc15-4394-9552-a470a2ab42ab" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCapitalLeaseObligation"/>
<link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_3169c9e1-8861-4972-8115-5269a0b337c8" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCapitalLeaseObligation_61dc2695-bc15-4394-9552-a470a2ab42ab" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_dsgr_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedRightOfUseAssets_5c334768-b254-4492-9f5d-c588a48623e5" xlink:href="dsgr-20220930.xsd#dsgr_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedRightOfUseAssets"/>
<link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_3169c9e1-8861-4972-8115-5269a0b337c8" xlink:to="loc_dsgr_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedRightOfUseAssets_5c334768-b254-4492-9f5d-c588a48623e5" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilities_c66f63c9-a40e-41df-a7ac-50453de604e1" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilities"/>
<link:calculationArc order="7" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_3169c9e1-8861-4972-8115-5269a0b337c8" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilities_c66f63c9-a40e-41df-a7ac-50453de604e1" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilities_417db770-5d13-4472-ad2f-18b04fa0315a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilities"/>
<link:calculationArc order="8" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_3169c9e1-8861-4972-8115-5269a0b337c8" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilities_417db770-5d13-4472-ad2f-18b04fa0315a" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssets_6720c58c-f723-4fb4-860a-28ef70a6a672" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssets"/>
<link:calculationArc order="9" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_3169c9e1-8861-4972-8115-5269a0b337c8" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssets_6720c58c-f723-4fb4-860a-28ef70a6a672" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_30d18214-1764-40ff-9663-f09fbdd7cbda" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_Goodwill"/>
<link:calculationArc order="10" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_3169c9e1-8861-4972-8115-5269a0b337c8" xlink:to="loc_us-gaap_Goodwill_30d18214-1764-40ff-9663-f09fbdd7cbda" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_dsgr_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDerivativeEarnoutLiability_759f2668-4471-485a-8b07-ad0fcf638a0e" xlink:href="dsgr-20220930.xsd#dsgr_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDerivativeEarnoutLiability"/>
<link:calculationArc order="11" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_3169c9e1-8861-4972-8115-5269a0b337c8" xlink:to="loc_dsgr_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDerivativeEarnoutLiability_759f2668-4471-485a-8b07-ad0fcf638a0e" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable_906765c8-9f51-4cb7-bc63-f9a0aa811e8f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable"/>
<link:calculationArc order="12" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_3169c9e1-8861-4972-8115-5269a0b337c8" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable_906765c8-9f51-4cb7-bc63-f9a0aa811e8f" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_dsgr_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAccruedExpensesAndOtherLiabilities_2347d98b-c428-4c4e-94b3-74c11731d916" xlink:href="dsgr-20220930.xsd#dsgr_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAccruedExpensesAndOtherLiabilities"/>
<link:calculationArc order="13" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_3169c9e1-8861-4972-8115-5269a0b337c8" xlink:to="loc_dsgr_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAccruedExpensesAndOtherLiabilities_2347d98b-c428-4c4e-94b3-74c11731d916" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_dsgr_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedBargainPurchase_9a731e57-5be8-4549-87e9-51abcc8a8c39" xlink:href="dsgr-20220930.xsd#dsgr_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedBargainPurchase"/>
<link:calculationArc order="14" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_3169c9e1-8861-4972-8115-5269a0b337c8" xlink:to="loc_dsgr_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedBargainPurchase_9a731e57-5be8-4549-87e9-51abcc8a8c39" xlink:type="arc"/>
</link:calculationLink>
<link:roleRef roleURI="http://www.lawsonproducts.com/role/InventoriesScheduleofInventoryDetails" xlink:type="simple" xlink:href="dsgr-20220930.xsd#InventoriesScheduleofInventoryDetails"/>
<link:calculationLink xlink:role="http://www.lawsonproducts.com/role/InventoriesScheduleofInventoryDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNet_89aab816-84d5-42df-b1e0-2cae6cda1d5b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InventoryNet"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryGross_a97d0ab5-5217-458b-9855-41a03c26f84b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InventoryGross"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryNet_89aab816-84d5-42df-b1e0-2cae6cda1d5b" xlink:to="loc_us-gaap_InventoryGross_a97d0ab5-5217-458b-9855-41a03c26f84b" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryValuationReserves_9e5a3696-4a3b-4e08-9790-2b90f2b24db5" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InventoryValuationReserves"/>
<link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryNet_89aab816-84d5-42df-b1e0-2cae6cda1d5b" xlink:to="loc_us-gaap_InventoryValuationReserves_9e5a3696-4a3b-4e08-9790-2b90f2b24db5" xlink:type="arc"/>
</link:calculationLink>
<link:roleRef roleURI="http://www.lawsonproducts.com/role/PropertyPlantandEquipmentDetails" xlink:type="simple" xlink:href="dsgr-20220930.xsd#PropertyPlantandEquipmentDetails"/>
<link:calculationLink xlink:role="http://www.lawsonproducts.com/role/PropertyPlantandEquipmentDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_7af05bad-2f0f-4781-923b-e4bcbbe5a389" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_43b2f26d-8aef-4a67-9740-2265593f6d26" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.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_7af05bad-2f0f-4781-923b-e4bcbbe5a389" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentGross_43b2f26d-8aef-4a67-9740-2265593f6d26" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_364fcc33-6bb3-4aa9-adca-883fb396b190" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.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_7af05bad-2f0f-4781-923b-e4bcbbe5a389" xlink:to="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_364fcc33-6bb3-4aa9-adca-883fb396b190" xlink:type="arc"/>
</link:calculationLink>
<link:roleRef roleURI="http://www.lawsonproducts.com/role/RentalEquipmentDetails" xlink:type="simple" xlink:href="dsgr-20220930.xsd#RentalEquipmentDetails"/>
<link:calculationLink xlink:role="http://www.lawsonproducts.com/role/RentalEquipmentDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertySubjectToOrAvailableForOperatingLeaseNet_b99ab159-c392-42d5-80d9-b80cc99d27d0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PropertySubjectToOrAvailableForOperatingLeaseNet"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertySubjectToOrAvailableForOperatingLeaseGross_5dfa717c-e962-4e8e-8e61-a3d82165ea40" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PropertySubjectToOrAvailableForOperatingLeaseGross"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertySubjectToOrAvailableForOperatingLeaseNet_b99ab159-c392-42d5-80d9-b80cc99d27d0" xlink:to="loc_us-gaap_PropertySubjectToOrAvailableForOperatingLeaseGross_5dfa717c-e962-4e8e-8e61-a3d82165ea40" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertySubjectToOrAvailableForOperatingLeaseAccumulatedDepreciation_777d07e3-83be-428d-b0ed-57f2ac30221d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PropertySubjectToOrAvailableForOperatingLeaseAccumulatedDepreciation"/>
<link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertySubjectToOrAvailableForOperatingLeaseNet_b99ab159-c392-42d5-80d9-b80cc99d27d0" xlink:to="loc_us-gaap_PropertySubjectToOrAvailableForOperatingLeaseAccumulatedDepreciation_777d07e3-83be-428d-b0ed-57f2ac30221d" xlink:type="arc"/>
</link:calculationLink>
<link:roleRef roleURI="http://www.lawsonproducts.com/role/IntangibleAssetsCarryingAmountDetails" xlink:type="simple" xlink:href="dsgr-20220930.xsd#IntangibleAssetsCarryingAmountDetails"/>
<link:calculationLink xlink:role="http://www.lawsonproducts.com/role/IntangibleAssetsCarryingAmountDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_9c730f9c-24ec-4859-bff1-ee56820f3b96" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_d57f1c31-ca89-4063-a003-561a6df6991c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.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_9c730f9c-24ec-4859-bff1-ee56820f3b96" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_d57f1c31-ca89-4063-a003-561a6df6991c" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_15f6774f-ac7d-4f92-b6fc-6de47955ba99" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.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_9c730f9c-24ec-4859-bff1-ee56820f3b96" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_15f6774f-ac7d-4f92-b6fc-6de47955ba99" xlink:type="arc"/>
</link:calculationLink>
<link:roleRef roleURI="http://www.lawsonproducts.com/role/IntangibleAssetsMaturityDetails" xlink:type="simple" xlink:href="dsgr-20220930.xsd#IntangibleAssetsMaturityDetails"/>
<link:calculationLink xlink:role="http://www.lawsonproducts.com/role/IntangibleAssetsMaturityDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_df0c53b3-a08c-4dd8-9286-c39296fc518b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_0a6f73ba-598f-4dc2-a52a-1e77311f4d7c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.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_df0c53b3-a08c-4dd8-9286-c39296fc518b" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_0a6f73ba-598f-4dc2-a52a-1e77311f4d7c" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_0c301018-aad1-48b5-9049-d500a112526a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.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_df0c53b3-a08c-4dd8-9286-c39296fc518b" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_0c301018-aad1-48b5-9049-d500a112526a" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_19d925ee-3d2e-4a0d-a659-2c439ef32020" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour"/>
<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_df0c53b3-a08c-4dd8-9286-c39296fc518b" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_19d925ee-3d2e-4a0d-a659-2c439ef32020" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_cf682ae6-1ccd-47bd-af11-2a4d22b65822" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive"/>
<link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_df0c53b3-a08c-4dd8-9286-c39296fc518b" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_cf682ae6-1ccd-47bd-af11-2a4d22b65822" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear_d278de0a-1569-4b96-810a-a51d9f622559" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear"/>
<link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_df0c53b3-a08c-4dd8-9286-c39296fc518b" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear_d278de0a-1569-4b96-810a-a51d9f622559" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_86839cf5-1ee5-402b-a344-e9e1368126f4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive"/>
<link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_df0c53b3-a08c-4dd8-9286-c39296fc518b" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_86839cf5-1ee5-402b-a344-e9e1368126f4" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_5a00e8bb-71e8-4235-8264-7e2f13b7dfb0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree"/>
<link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_df0c53b3-a08c-4dd8-9286-c39296fc518b" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_5a00e8bb-71e8-4235-8264-7e2f13b7dfb0" xlink:type="arc"/>
</link:calculationLink>
<link:roleRef roleURI="http://www.lawsonproducts.com/role/LeasesNetLeaseCostDetails" xlink:type="simple" xlink:href="dsgr-20220930.xsd#LeasesNetLeaseCostDetails"/>
<link:calculationLink xlink:role="http://www.lawsonproducts.com/role/LeasesNetLeaseCostDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_dsgr_FinanceLeaseCost_0b989ed7-5b08-4a69-9603-eceaead56cf2" xlink:href="dsgr-20220930.xsd#dsgr_FinanceLeaseCost"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseRightOfUseAssetAmortization_d6ef182f-e8d8-4749-8913-3bac613978be" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FinanceLeaseRightOfUseAssetAmortization"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_dsgr_FinanceLeaseCost_0b989ed7-5b08-4a69-9603-eceaead56cf2" xlink:to="loc_us-gaap_FinanceLeaseRightOfUseAssetAmortization_d6ef182f-e8d8-4749-8913-3bac613978be" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseInterestExpense_224c8b20-ee08-4e52-b6e9-eb6d3770c14a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FinanceLeaseInterestExpense"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_dsgr_FinanceLeaseCost_0b989ed7-5b08-4a69-9603-eceaead56cf2" xlink:to="loc_us-gaap_FinanceLeaseInterestExpense_224c8b20-ee08-4e52-b6e9-eb6d3770c14a" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseCost_6f0dd349-d51a-4e72-81e2-cc1167ac278a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LeaseCost"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseCost_e5eec943-b587-465b-999f-3ce802538caa" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingLeaseCost"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LeaseCost_6f0dd349-d51a-4e72-81e2-cc1167ac278a" xlink:to="loc_us-gaap_OperatingLeaseCost_e5eec943-b587-465b-999f-3ce802538caa" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_dsgr_FinanceLeaseCost_7a9a459b-9d3c-46e8-9c2f-3718286b8773" xlink:href="dsgr-20220930.xsd#dsgr_FinanceLeaseCost"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LeaseCost_6f0dd349-d51a-4e72-81e2-cc1167ac278a" xlink:to="loc_dsgr_FinanceLeaseCost_7a9a459b-9d3c-46e8-9c2f-3718286b8773" xlink:type="arc"/>
</link:calculationLink>
<link:roleRef roleURI="http://www.lawsonproducts.com/role/LeasesNetLeaseAssetsandLiabilitiesDetails" xlink:type="simple" xlink:href="dsgr-20220930.xsd#LeasesNetLeaseAssetsandLiabilitiesDetails"/>
<link:calculationLink xlink:role="http://www.lawsonproducts.com/role/LeasesNetLeaseAssetsandLiabilitiesDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_dsgr_LeaseLiabilityNoncurrent_e81a36f1-4514-46fa-a08e-bb63e703dc4e" xlink:href="dsgr-20220930.xsd#dsgr_LeaseLiabilityNoncurrent"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_4259fcb2-f278-4bd7-abb3-912072b7becb" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_dsgr_LeaseLiabilityNoncurrent_e81a36f1-4514-46fa-a08e-bb63e703dc4e" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_4259fcb2-f278-4bd7-abb3-912072b7becb" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityNoncurrent_b1133a0d-f9b8-4411-bf79-3c2208c636b2" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FinanceLeaseLiabilityNoncurrent"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_dsgr_LeaseLiabilityNoncurrent_e81a36f1-4514-46fa-a08e-bb63e703dc4e" xlink:to="loc_us-gaap_FinanceLeaseLiabilityNoncurrent_b1133a0d-f9b8-4411-bf79-3c2208c636b2" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_dsgr_LeaseLiabilityCurrent_39f9e1dd-b2d0-49d5-a283-013b73756d2e" xlink:href="dsgr-20220930.xsd#dsgr_LeaseLiabilityCurrent"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityCurrent_ce4b6c3f-6bae-4224-b2dd-db4543a653c3" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingLeaseLiabilityCurrent"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_dsgr_LeaseLiabilityCurrent_39f9e1dd-b2d0-49d5-a283-013b73756d2e" xlink:to="loc_us-gaap_OperatingLeaseLiabilityCurrent_ce4b6c3f-6bae-4224-b2dd-db4543a653c3" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityCurrent_95937aa7-3b4f-4b4e-b401-9bda33a48c78" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FinanceLeaseLiabilityCurrent"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_dsgr_LeaseLiabilityCurrent_39f9e1dd-b2d0-49d5-a283-013b73756d2e" xlink:to="loc_us-gaap_FinanceLeaseLiabilityCurrent_95937aa7-3b4f-4b4e-b401-9bda33a48c78" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_dsgr_LeaseAssetsRightofUseAsset_be3c8101-d888-476c-a2d0-6ba905eb816d" xlink:href="dsgr-20220930.xsd#dsgr_LeaseAssetsRightofUseAsset"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_5227c558-94e2-42d4-8774-64f018cffd93" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingLeaseRightOfUseAsset"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_dsgr_LeaseAssetsRightofUseAsset_be3c8101-d888-476c-a2d0-6ba905eb816d" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_5227c558-94e2-42d4-8774-64f018cffd93" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseRightOfUseAsset_9d389c8b-4990-4a77-9644-b0aed4d330de" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FinanceLeaseRightOfUseAsset"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_dsgr_LeaseAssetsRightofUseAsset_be3c8101-d888-476c-a2d0-6ba905eb816d" xlink:to="loc_us-gaap_FinanceLeaseRightOfUseAsset_9d389c8b-4990-4a77-9644-b0aed4d330de" xlink:type="arc"/>
</link:calculationLink>
<link:roleRef roleURI="http://www.lawsonproducts.com/role/LeasesValueofLeaseLiabilitiesDetails" xlink:type="simple" xlink:href="dsgr-20220930.xsd#LeasesValueofLeaseLiabilitiesDetails"/>
<link:calculationLink xlink:role="http://www.lawsonproducts.com/role/LeasesValueofLeaseLiabilitiesDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_0c287a4f-c8da-4613-a1e4-25a5e8abc49d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_d0e2b64b-a85b-4ab6-8e68-af5b6b242958" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_0c287a4f-c8da-4613-a1e4-25a5e8abc49d" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_d0e2b64b-a85b-4ab6-8e68-af5b6b242958" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_c32d1b8b-dc9d-45bd-ab51-4ebd664b6228" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_0c287a4f-c8da-4613-a1e4-25a5e8abc49d" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_c32d1b8b-dc9d-45bd-ab51-4ebd664b6228" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_25d8c72f-0a60-4238-9879-17803da0606d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.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_0c287a4f-c8da-4613-a1e4-25a5e8abc49d" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_25d8c72f-0a60-4238-9879-17803da0606d" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_614cd80c-7284-4b73-8869-47470f7d1568" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo"/>
<link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_0c287a4f-c8da-4613-a1e4-25a5e8abc49d" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_614cd80c-7284-4b73-8869-47470f7d1568" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_dsgr_LesseeOperatingLeaseLiabilityToBePaidAfterYearFour_e5b0131f-88a8-4863-9d29-a91de0d97e74" xlink:href="dsgr-20220930.xsd#dsgr_LesseeOperatingLeaseLiabilityToBePaidAfterYearFour"/>
<link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_0c287a4f-c8da-4613-a1e4-25a5e8abc49d" xlink:to="loc_dsgr_LesseeOperatingLeaseLiabilityToBePaidAfterYearFour_e5b0131f-88a8-4863-9d29-a91de0d97e74" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_6f0c162e-edc6-4941-a0b0-042b8b2a4bf2" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour"/>
<link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_0c287a4f-c8da-4613-a1e4-25a5e8abc49d" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_6f0c162e-edc6-4941-a0b0-042b8b2a4bf2" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_dsgr_NetLeaseLiabilityImputedInterest_25ffe48a-5618-4b9f-9bd7-b80c5034ad97" xlink:href="dsgr-20220930.xsd#dsgr_NetLeaseLiabilityImputedInterest"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount_76fe8a28-d310-4c65-a996-7f92ae9dda04" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_dsgr_NetLeaseLiabilityImputedInterest_25ffe48a-5618-4b9f-9bd7-b80c5034ad97" xlink:to="loc_us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount_76fe8a28-d310-4c65-a996-7f92ae9dda04" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_d3ef79d2-9a2c-4e6b-8897-89f4e253976c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_dsgr_NetLeaseLiabilityImputedInterest_25ffe48a-5618-4b9f-9bd7-b80c5034ad97" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_d3ef79d2-9a2c-4e6b-8897-89f4e253976c" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_dsgr_NetLeaseLiabilityPresentValue_efe91216-fe36-4652-9cf2-108343b19a17" xlink:href="dsgr-20220930.xsd#dsgr_NetLeaseLiabilityPresentValue"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiability_b584d39c-ded0-4036-bfb3-8b0154ae2046" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingLeaseLiability"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_dsgr_NetLeaseLiabilityPresentValue_efe91216-fe36-4652-9cf2-108343b19a17" xlink:to="loc_us-gaap_OperatingLeaseLiability_b584d39c-ded0-4036-bfb3-8b0154ae2046" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_dsgr_FinanceLeaseLiabilityPresentValue_b178fad4-5b22-46a0-8db9-1d2c58eaeb74" xlink:href="dsgr-20220930.xsd#dsgr_FinanceLeaseLiabilityPresentValue"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_dsgr_NetLeaseLiabilityPresentValue_efe91216-fe36-4652-9cf2-108343b19a17" xlink:to="loc_dsgr_FinanceLeaseLiabilityPresentValue_b178fad4-5b22-46a0-8db9-1d2c58eaeb74" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_dsgr_NetLeaseLiabilityPaymentsDueYearTwo_87658a56-8a4b-4c3b-95cb-7b9ab29ecf50" xlink:href="dsgr-20220930.xsd#dsgr_NetLeaseLiabilityPaymentsDueYearTwo"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_a9376d69-3540-4028-8ecc-7183d1cc020a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_dsgr_NetLeaseLiabilityPaymentsDueYearTwo_87658a56-8a4b-4c3b-95cb-7b9ab29ecf50" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_a9376d69-3540-4028-8ecc-7183d1cc020a" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo_729fc2d8-53ac-456f-b4f6-7a6aae04ebb4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_dsgr_NetLeaseLiabilityPaymentsDueYearTwo_87658a56-8a4b-4c3b-95cb-7b9ab29ecf50" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo_729fc2d8-53ac-456f-b4f6-7a6aae04ebb4" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_eab07b16-12b8-401d-beb7-15af82104935" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDue"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths_5f1a0cbe-af10-469e-90f8-829ef5fc1c7a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_eab07b16-12b8-401d-beb7-15af82104935" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths_5f1a0cbe-af10-469e-90f8-829ef5fc1c7a" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear_d6eac43c-e383-4ffa-a418-ee9cb909f5e0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_eab07b16-12b8-401d-beb7-15af82104935" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear_d6eac43c-e383-4ffa-a418-ee9cb909f5e0" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree_6eafca58-9eff-4417-8bec-0caa9d078c0f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree"/>
<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_eab07b16-12b8-401d-beb7-15af82104935" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree_6eafca58-9eff-4417-8bec-0caa9d078c0f" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour_502d9b01-c6c7-4d96-b5da-3b7aeeddadfc" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour"/>
<link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_eab07b16-12b8-401d-beb7-15af82104935" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour_502d9b01-c6c7-4d96-b5da-3b7aeeddadfc" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo_63e78be0-4c1f-4981-a12f-001ad1ac3ef2" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo"/>
<link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_eab07b16-12b8-401d-beb7-15af82104935" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo_63e78be0-4c1f-4981-a12f-001ad1ac3ef2" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_dsgr_FinanceLeaseLiabilityToBePaidAfterYearFour_5b4abf0d-5597-4531-81a8-037ae9bad396" xlink:href="dsgr-20220930.xsd#dsgr_FinanceLeaseLiabilityToBePaidAfterYearFour"/>
<link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_eab07b16-12b8-401d-beb7-15af82104935" xlink:to="loc_dsgr_FinanceLeaseLiabilityToBePaidAfterYearFour_5b4abf0d-5597-4531-81a8-037ae9bad396" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_dsgr_NetLeaseLiabilityPaymentsDue_9843417f-a8b0-4f31-bf28-e31c1efd8bb5" xlink:href="dsgr-20220930.xsd#dsgr_NetLeaseLiabilityPaymentsDue"/>
<link:loc xlink:type="locator" xlink:label="loc_dsgr_NetLeaseLiabilityPaymentsDueYearOne_b4e5b59d-96d1-4cb9-a550-f214d17a75d9" xlink:href="dsgr-20220930.xsd#dsgr_NetLeaseLiabilityPaymentsDueYearOne"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_dsgr_NetLeaseLiabilityPaymentsDue_9843417f-a8b0-4f31-bf28-e31c1efd8bb5" xlink:to="loc_dsgr_NetLeaseLiabilityPaymentsDueYearOne_b4e5b59d-96d1-4cb9-a550-f214d17a75d9" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_dsgr_NetLeaseLiabilityPaymentsDueAfterYearFour_7e1045b8-2dea-4630-9780-c6afc5f79c7a" xlink:href="dsgr-20220930.xsd#dsgr_NetLeaseLiabilityPaymentsDueAfterYearFour"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_dsgr_NetLeaseLiabilityPaymentsDue_9843417f-a8b0-4f31-bf28-e31c1efd8bb5" xlink:to="loc_dsgr_NetLeaseLiabilityPaymentsDueAfterYearFour_7e1045b8-2dea-4630-9780-c6afc5f79c7a" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_dsgr_NetLeaseLiabilityPaymentsDueYearTwo_1b4b2992-12b7-4539-b5eb-4dd60b5670a1" xlink:href="dsgr-20220930.xsd#dsgr_NetLeaseLiabilityPaymentsDueYearTwo"/>
<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_dsgr_NetLeaseLiabilityPaymentsDue_9843417f-a8b0-4f31-bf28-e31c1efd8bb5" xlink:to="loc_dsgr_NetLeaseLiabilityPaymentsDueYearTwo_1b4b2992-12b7-4539-b5eb-4dd60b5670a1" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_dsgr_NetLeaseLiabilityPaymentsDueYearThree_571bbf4e-64da-4384-a71a-882a25c801b4" xlink:href="dsgr-20220930.xsd#dsgr_NetLeaseLiabilityPaymentsDueYearThree"/>
<link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_dsgr_NetLeaseLiabilityPaymentsDue_9843417f-a8b0-4f31-bf28-e31c1efd8bb5" xlink:to="loc_dsgr_NetLeaseLiabilityPaymentsDueYearThree_571bbf4e-64da-4384-a71a-882a25c801b4" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_dsgr_NetLeaseLiabilityPaymentsRemainderofFiscalYear_ad789eb6-8f17-4582-b5c6-c1db6173d27a" xlink:href="dsgr-20220930.xsd#dsgr_NetLeaseLiabilityPaymentsRemainderofFiscalYear"/>
<link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_dsgr_NetLeaseLiabilityPaymentsDue_9843417f-a8b0-4f31-bf28-e31c1efd8bb5" xlink:to="loc_dsgr_NetLeaseLiabilityPaymentsRemainderofFiscalYear_ad789eb6-8f17-4582-b5c6-c1db6173d27a" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_dsgr_NetLeaseLiabilityPaymentsDueYearFour_29ba4a35-5462-472f-bd9d-300b1c073f17" xlink:href="dsgr-20220930.xsd#dsgr_NetLeaseLiabilityPaymentsDueYearFour"/>
<link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_dsgr_NetLeaseLiabilityPaymentsDue_9843417f-a8b0-4f31-bf28-e31c1efd8bb5" xlink:to="loc_dsgr_NetLeaseLiabilityPaymentsDueYearFour_29ba4a35-5462-472f-bd9d-300b1c073f17" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_dsgr_NetLeaseLiabilityPaymentsDueAfterYearFour_46c19eec-e7cb-4388-834d-074542142436" xlink:href="dsgr-20220930.xsd#dsgr_NetLeaseLiabilityPaymentsDueAfterYearFour"/>
<link:loc xlink:type="locator" xlink:label="loc_dsgr_LesseeOperatingLeaseLiabilityToBePaidAfterYearFour_a21c27f7-c9b3-44ff-a2c6-7b72eb76c684" xlink:href="dsgr-20220930.xsd#dsgr_LesseeOperatingLeaseLiabilityToBePaidAfterYearFour"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_dsgr_NetLeaseLiabilityPaymentsDueAfterYearFour_46c19eec-e7cb-4388-834d-074542142436" xlink:to="loc_dsgr_LesseeOperatingLeaseLiabilityToBePaidAfterYearFour_a21c27f7-c9b3-44ff-a2c6-7b72eb76c684" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_dsgr_FinanceLeaseLiabilityToBePaidAfterYearFour_f2e04754-76f1-492e-94d4-b0fe9777489e" xlink:href="dsgr-20220930.xsd#dsgr_FinanceLeaseLiabilityToBePaidAfterYearFour"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_dsgr_NetLeaseLiabilityPaymentsDueAfterYearFour_46c19eec-e7cb-4388-834d-074542142436" xlink:to="loc_dsgr_FinanceLeaseLiabilityToBePaidAfterYearFour_f2e04754-76f1-492e-94d4-b0fe9777489e" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_dsgr_NetLeaseLiabilityPaymentsDueYearThree_32a33946-be95-4d58-8467-81e18ad47dd3" xlink:href="dsgr-20220930.xsd#dsgr_NetLeaseLiabilityPaymentsDueYearThree"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree_c36bef2c-4e2f-47b5-adbd-eb6cbc3d5051" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_dsgr_NetLeaseLiabilityPaymentsDueYearThree_32a33946-be95-4d58-8467-81e18ad47dd3" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree_c36bef2c-4e2f-47b5-adbd-eb6cbc3d5051" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_f9052af7-1336-44b0-a146-c996aae75ae2" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_dsgr_NetLeaseLiabilityPaymentsDueYearThree_32a33946-be95-4d58-8467-81e18ad47dd3" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_f9052af7-1336-44b0-a146-c996aae75ae2" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_dsgr_NetLeaseLiabilityPaymentsDueYearOne_de0d9f2a-7854-42b5-aceb-fa729026eb25" xlink:href="dsgr-20220930.xsd#dsgr_NetLeaseLiabilityPaymentsDueYearOne"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths_60368422-66f2-43c9-a9f5-e22755341841" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_dsgr_NetLeaseLiabilityPaymentsDueYearOne_de0d9f2a-7854-42b5-aceb-fa729026eb25" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths_60368422-66f2-43c9-a9f5-e22755341841" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_aa0d20c5-e00a-42bc-92b6-ec8539d7c379" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_dsgr_NetLeaseLiabilityPaymentsDueYearOne_de0d9f2a-7854-42b5-aceb-fa729026eb25" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_aa0d20c5-e00a-42bc-92b6-ec8539d7c379" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_dsgr_NetLeaseLiabilityPaymentsDueYearFour_f13a0edc-529d-4e49-b6ed-99394a135d39" xlink:href="dsgr-20220930.xsd#dsgr_NetLeaseLiabilityPaymentsDueYearFour"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour_32e4965d-798e-435b-9d8b-a2f1e45863d9" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_dsgr_NetLeaseLiabilityPaymentsDueYearFour_f13a0edc-529d-4e49-b6ed-99394a135d39" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour_32e4965d-798e-435b-9d8b-a2f1e45863d9" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_64b16eed-af7d-4bad-84fd-89a111a889be" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_dsgr_NetLeaseLiabilityPaymentsDueYearFour_f13a0edc-529d-4e49-b6ed-99394a135d39" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_64b16eed-af7d-4bad-84fd-89a111a889be" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_dsgr_NetLeaseLiabilityPaymentsRemainderofFiscalYear_8f501de1-7afe-465d-9b21-182cae925fdc" xlink:href="dsgr-20220930.xsd#dsgr_NetLeaseLiabilityPaymentsRemainderofFiscalYear"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear_675d52bb-a468-4ede-b071-03a491120571" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_dsgr_NetLeaseLiabilityPaymentsRemainderofFiscalYear_8f501de1-7afe-465d-9b21-182cae925fdc" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear_675d52bb-a468-4ede-b071-03a491120571" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_48222cb6-b128-4768-8fb6-f552bbfd73e4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_dsgr_NetLeaseLiabilityPaymentsRemainderofFiscalYear_8f501de1-7afe-465d-9b21-182cae925fdc" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_48222cb6-b128-4768-8fb6-f552bbfd73e4" xlink:type="arc"/>
</link:calculationLink>
<link:roleRef roleURI="http://www.lawsonproducts.com/role/LeasesValueofLeaseLiabilitiesDetails_1" xlink:type="simple" xlink:href="dsgr-20220930.xsd#LeasesValueofLeaseLiabilitiesDetails_1"/>
<link:calculationLink xlink:role="http://www.lawsonproducts.com/role/LeasesValueofLeaseLiabilitiesDetails_1" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_dsgr_NetLeaseLiabilityPaymentsDue_c355eb4e-12b2-4f3e-bfbc-05ae90402396" xlink:href="dsgr-20220930.xsd#dsgr_NetLeaseLiabilityPaymentsDue"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_7ee1d615-4010-456e-95fb-b3cb2b70328d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_dsgr_NetLeaseLiabilityPaymentsDue_c355eb4e-12b2-4f3e-bfbc-05ae90402396" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_7ee1d615-4010-456e-95fb-b3cb2b70328d" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_c5ad595c-649d-43d1-95ba-6222bfeb2433" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDue"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_dsgr_NetLeaseLiabilityPaymentsDue_c355eb4e-12b2-4f3e-bfbc-05ae90402396" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_c5ad595c-649d-43d1-95ba-6222bfeb2433" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_8dff6c9b-7326-4903-8d62-84a4a29d46c9" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_07e7a671-46e6-48d9-b0ec-54bd819b7fed" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.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_8dff6c9b-7326-4903-8d62-84a4a29d46c9" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_07e7a671-46e6-48d9-b0ec-54bd819b7fed" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiability_5b20c556-746d-47c7-80ab-34dfb9d30421" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.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_8dff6c9b-7326-4903-8d62-84a4a29d46c9" xlink:to="loc_us-gaap_OperatingLeaseLiability_5b20c556-746d-47c7-80ab-34dfb9d30421" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_9d7bcdb0-d115-45d5-af3a-b02cd3eba95e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDue"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount_6e2f7ff0-02b9-44cd-bfdc-9bf499248196" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_9d7bcdb0-d115-45d5-af3a-b02cd3eba95e" xlink:to="loc_us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount_6e2f7ff0-02b9-44cd-bfdc-9bf499248196" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_dsgr_FinanceLeaseLiabilityPresentValue_0370f237-98b2-4df4-9e9f-f603feac2781" xlink:href="dsgr-20220930.xsd#dsgr_FinanceLeaseLiabilityPresentValue"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_9d7bcdb0-d115-45d5-af3a-b02cd3eba95e" xlink:to="loc_dsgr_FinanceLeaseLiabilityPresentValue_0370f237-98b2-4df4-9e9f-f603feac2781" xlink:type="arc"/>
</link:calculationLink>
<link:roleRef roleURI="http://www.lawsonproducts.com/role/AccruedExpensesandOtherCurrentLiabilitiesComponentsofAccruedExpensesandOtherCurrentLiabilitiesDetails" xlink:type="simple" xlink:href="dsgr-20220930.xsd#AccruedExpensesandOtherCurrentLiabilitiesComponentsofAccruedExpensesandOtherCurrentLiabilitiesDetails"/>
<link:calculationLink xlink:role="http://www.lawsonproducts.com/role/AccruedExpensesandOtherCurrentLiabilitiesComponentsofAccruedExpensesandOtherCurrentLiabilitiesDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_dsgr_AccruedLiabilitiesAndOtherAccruedLiabilitiesCurrent_cd888c7a-8f70-49d6-8cf8-8354654c1ecc" xlink:href="dsgr-20220930.xsd#dsgr_AccruedLiabilitiesAndOtherAccruedLiabilitiesCurrent"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccrualForTaxesOtherThanIncomeTaxesCurrent_78416c1c-57d0-4727-977c-0b48d0b23aff" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccrualForTaxesOtherThanIncomeTaxesCurrent"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_dsgr_AccruedLiabilitiesAndOtherAccruedLiabilitiesCurrent_cd888c7a-8f70-49d6-8cf8-8354654c1ecc" xlink:to="loc_us-gaap_AccrualForTaxesOtherThanIncomeTaxesCurrent_78416c1c-57d0-4727-977c-0b48d0b23aff" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestPayableCurrent_78168c19-b3c6-4cf3-b81d-55f6f42898e1" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InterestPayableCurrent"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_dsgr_AccruedLiabilitiesAndOtherAccruedLiabilitiesCurrent_cd888c7a-8f70-49d6-8cf8-8354654c1ecc" xlink:to="loc_us-gaap_InterestPayableCurrent_78168c19-b3c6-4cf3-b81d-55f6f42898e1" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_dsgr_AccruedCustomerRebates_b1efefc6-c67e-4176-a48c-46c2b8c28cc4" xlink:href="dsgr-20220930.xsd#dsgr_AccruedCustomerRebates"/>
<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_dsgr_AccruedLiabilitiesAndOtherAccruedLiabilitiesCurrent_cd888c7a-8f70-49d6-8cf8-8354654c1ecc" xlink:to="loc_dsgr_AccruedCustomerRebates_b1efefc6-c67e-4176-a48c-46c2b8c28cc4" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAccruedLiabilitiesCurrent_7225d6db-ea74-4dfb-9025-8836add89d4d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherAccruedLiabilitiesCurrent"/>
<link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_dsgr_AccruedLiabilitiesAndOtherAccruedLiabilitiesCurrent_cd888c7a-8f70-49d6-8cf8-8354654c1ecc" xlink:to="loc_us-gaap_OtherAccruedLiabilitiesCurrent_7225d6db-ea74-4dfb-9025-8836add89d4d" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedIncomeTaxesCurrent_f37e1db3-359a-411f-9337-807c3540e9cd" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccruedIncomeTaxesCurrent"/>
<link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_dsgr_AccruedLiabilitiesAndOtherAccruedLiabilitiesCurrent_cd888c7a-8f70-49d6-8cf8-8354654c1ecc" xlink:to="loc_us-gaap_AccruedIncomeTaxesCurrent_f37e1db3-359a-411f-9337-807c3540e9cd" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_dsgr_AccruedStockBasedCompensation_9d038161-d903-42e8-a089-16434ca57de2" xlink:href="dsgr-20220930.xsd#dsgr_AccruedStockBasedCompensation"/>
<link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_dsgr_AccruedLiabilitiesAndOtherAccruedLiabilitiesCurrent_cd888c7a-8f70-49d6-8cf8-8354654c1ecc" xlink:to="loc_dsgr_AccruedStockBasedCompensation_9d038161-d903-42e8-a089-16434ca57de2" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringReserveCurrent_525c8d1c-0524-4bb8-b093-b97718e62cbd" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RestructuringReserveCurrent"/>
<link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_dsgr_AccruedLiabilitiesAndOtherAccruedLiabilitiesCurrent_cd888c7a-8f70-49d6-8cf8-8354654c1ecc" xlink:to="loc_us-gaap_RestructuringReserveCurrent_525c8d1c-0524-4bb8-b093-b97718e62cbd" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedSalariesCurrent_dfd6d305-e3e4-415d-a44e-238839fc03f8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccruedSalariesCurrent"/>
<link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_dsgr_AccruedLiabilitiesAndOtherAccruedLiabilitiesCurrent_cd888c7a-8f70-49d6-8cf8-8354654c1ecc" xlink:to="loc_us-gaap_AccruedSalariesCurrent_dfd6d305-e3e4-415d-a44e-238839fc03f8" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedEmployeeBenefitsCurrent_4b01017e-1272-4cf9-a14a-091a6d339aaa" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccruedEmployeeBenefitsCurrent"/>
<link:calculationArc order="9" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_dsgr_AccruedLiabilitiesAndOtherAccruedLiabilitiesCurrent_cd888c7a-8f70-49d6-8cf8-8354654c1ecc" xlink:to="loc_us-gaap_AccruedEmployeeBenefitsCurrent_4b01017e-1272-4cf9-a14a-091a6d339aaa" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityCurrent_963efdee-68c0-40d0-bce0-76d24ea8f045" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ContractWithCustomerLiabilityCurrent"/>
<link:calculationArc order="10" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_dsgr_AccruedLiabilitiesAndOtherAccruedLiabilitiesCurrent_cd888c7a-8f70-49d6-8cf8-8354654c1ecc" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityCurrent_963efdee-68c0-40d0-bce0-76d24ea8f045" xlink:type="arc"/>
</link:calculationLink>
<link:roleRef roleURI="http://www.lawsonproducts.com/role/DebtScheduleofLongtermDebtDetails" xlink:type="simple" xlink:href="dsgr-20220930.xsd#DebtScheduleofLongtermDebtDetails"/>
<link:calculationLink xlink:role="http://www.lawsonproducts.com/role/DebtScheduleofLongtermDebtDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_43978442-0c15-4f12-a22f-b25dd316ddf6" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongTermDebt"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFinanceCostsNet_c8e389ee-acc3-46ca-be10-008891baca6d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DeferredFinanceCostsNet"/>
<link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_43978442-0c15-4f12-a22f-b25dd316ddf6" xlink:to="loc_us-gaap_DeferredFinanceCostsNet_c8e389ee-acc3-46ca-be10-008891baca6d" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtCurrent_d687756b-cd1b-4a15-86e9-f0da7c04e783" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongTermDebtCurrent"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_43978442-0c15-4f12-a22f-b25dd316ddf6" xlink:to="loc_us-gaap_LongTermDebtCurrent_d687756b-cd1b-4a15-86e9-f0da7c04e783" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_d923ee8e-664e-404f-8bca-1c255d457002" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
<link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebt_43978442-0c15-4f12-a22f-b25dd316ddf6" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_d923ee8e-664e-404f-8bca-1c255d457002" xlink:type="arc"/>
</link:calculationLink>
<link:roleRef roleURI="http://www.lawsonproducts.com/role/EarningsPerShareDetails" xlink:type="simple" xlink:href="dsgr-20220930.xsd#EarningsPerShareDetails"/>
<link:calculationLink xlink:role="http://www.lawsonproducts.com/role/EarningsPerShareDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_902b30bc-5bae-484c-b3e5-fadf0c07ec3d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_1e7cb1c5-6bf7-4436-b242-f4d9594ccfea" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements"/>
<link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_902b30bc-5bae-484c-b3e5-fadf0c07ec3d" xlink:to="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_1e7cb1c5-6bf7-4436-b242-f4d9594ccfea" xlink:type="arc"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_f7b74624-9f6b-414e-8600-45f888c793be" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
<link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_902b30bc-5bae-484c-b3e5-fadf0c07ec3d" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_f7b74624-9f6b-414e-8600-45f888c793be" xlink:type="arc"/>
</link:calculationLink>
</link:linkbase>


14 Previous Filings that this Filing References

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

 8/09/22  Dist Solutions Group, Inc.        10-Q        6/30/22   98:21M
 5/05/22  Dist Solutions Group, Inc.        8-K:5,8,9   5/05/22   12:283K                                   Donnelley … Solutions/FA
 4/08/22  Dist Solutions Group, Inc.        8-K:5,9     4/04/22   11:250K                                   Donnelley … Solutions/FA
 4/04/22  Dist Solutions Group, Inc.        8-K:1,2,3,5 4/01/22   13:1.9M                                   Donnelley … Solutions/FA
 1/04/22  Dist Solutions Group, Inc.        8-K:1,3,9  12/29/21   13:2.2M                                   Donnelley … Solutions/FA
10/28/21  Dist Solutions Group, Inc.        10-Q        9/30/21   83:29M
 3/05/21  Dist Solutions Group, Inc.        8-K:5,9     3/02/21   11:211K                                   Donnelley … Solutions/FA
 2/26/21  Dist Solutions Group, Inc.        10-K       12/31/20  108:10M
 5/03/19  Dist Solutions Group, Inc.        8-K:5,8,9   5/03/19    4:389K
 4/11/18  Dist Solutions Group, Inc.        8-K:5,9     4/09/18    6:108K                                   Donnelley … Solutions/FA
 8/17/17  Dist Solutions Group, Inc.        8-K:5,9     8/14/17    3:224K
 9/04/12  Dist Solutions Group, Inc.        8-K:5,9     8/29/12    4:296K                                   Donnelley Fi… Express/FA
 9/19/08  Dist Solutions Group, Inc.        8-K:1,5,9   9/15/08    3:133K                                   Bowne Boc/FA
 3/16/05  Dist Solutions Group, Inc.        10-K       12/31/04    9:137K                                   McDermott Will… Emery/FA
Top
Filing Submission 0000703604-22-000083   –   Alternative Formats (Word / Rich Text, HTML, Plain Text, et al.)

Copyright © 2024 Fran Finnegan & Company LLC – All Rights Reserved.
AboutPrivacyRedactionsHelp — Tue., May 14, 3:49:41.2pm ET