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Flexible Solutions International Inc. – ‘10-K’ for 12/31/23 – ‘EX-101.SCH’

On:  Monday, 4/1/24, at 4:42pm ET   ·   For:  12/31/23   ·   Accession #:  1493152-24-12435   ·   File #:  1-31540

Previous ‘10-K’:  ‘10-K’ on 3/31/23 for 12/31/22   ·   Latest ‘10-K’:  This Filing   ·   2 References:   

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

 4/01/24  Flexible Solutions Int’l Inc.     10-K       12/31/23  103:7.4M                                   M2 Compliance LLC/FA

Annual Report   —   Form 10-K   —   SEA’34

Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 10-K        Annual Report                                       HTML   1.33M 
 2: EX-19       Report Furnished to Security Holders                HTML    126K 
 3: EX-23.1     Consent of Expert or Counsel                        HTML     27K 
 4: EX-31.1     Certification -- §302 - SOA'02                      HTML     33K 
 5: EX-31.2     Certification -- §302 - SOA'02                      HTML     32K 
 6: EX-32.1     Certification -- §906 - SOA'02                      HTML     27K 
12: R1          Cover                                               HTML    100K 
13: R2          Consolidated Balance Sheets                         HTML    159K 
14: R3          Consolidated Balance Sheets (Parenthetical)         HTML     41K 
15: R4          Consolidated Statements of Income and               HTML    170K 
                Comprehensive Income                                             
16: R5          Consolidated Statements of Cash Flows               HTML    141K 
17: R6          Consolidated Statements of Stockholders' Equity     HTML     81K 
18: R7          Pay vs Performance Disclosure                       HTML     39K 
19: R8          Insider Trading Arrangements                        HTML     33K 
20: R9          Basis of Presentation                               HTML     38K 
21: R10         Significant Accounting Policies                     HTML    103K 
22: R11         Leases                                              HTML     45K 
23: R12         Accounts Receivable                                 HTML     33K 
24: R13         Inventories                                         HTML     32K 
25: R14         Property, Equipment and Leaseholds                  HTML     53K 
26: R15         Patents                                             HTML     37K 
27: R16         Goodwill and Intangible Assets                      HTML     43K 
28: R17         Long Term Deposits                                  HTML     31K 
29: R18         Investments                                         HTML     68K 
30: R19         Short-Term Line of Credit                           HTML     48K 
31: R20         Long Term Debt                                      HTML     83K 
32: R21         Income Taxes                                        HTML     83K 
33: R22         Income Per Share                                    HTML     40K 
34: R23         Stock Options                                       HTML     74K 
35: R24         Capital Stock                                       HTML     38K 
36: R25         Non-Controlling Interests                           HTML     47K 
37: R26         Segmented, Significant Customer Information and     HTML     63K 
                Economic Dependency                                              
38: R27         Subsequent Events                                   HTML     32K 
39: R28         Significant Accounting Policies (Policies)          HTML    152K 
40: R29         Significant Accounting Policies (Tables)            HTML     41K 
41: R30         Leases (Tables)                                     HTML     44K 
42: R31         Accounts Receivable (Tables)                        HTML     32K 
43: R32         Inventories (Tables)                                HTML     33K 
44: R33         Property, Equipment and Leaseholds (Tables)         HTML     50K 
45: R34         Patents (Tables)                                    HTML     35K 
46: R35         Goodwill and Intangible Assets (Tables)             HTML     42K 
47: R36         Long Term Deposits (Tables)                         HTML     31K 
48: R37         Investments (Tables)                                HTML     57K 
49: R38         Long Term Debt (Tables)                             HTML     47K 
50: R39         Income Taxes (Tables)                               HTML     83K 
51: R40         Income Per Share (Tables)                           HTML     39K 
52: R41         Stock Options (Tables)                              HTML     60K 
53: R42         Non-Controlling Interests (Tables)                  HTML     40K 
54: R43         Segmented, Significant Customer Information and     HTML     57K 
                Economic Dependency (Tables)                                     
55: R44         Basis of Presentation (Details Narrative)           HTML     40K 
56: R45         Schedule of Method of Depreciation (Details)        HTML     53K 
57: R46         Significant Accounting Policies (Details            HTML     64K 
                Narrative)                                                       
58: R47         Summary of Right-Of-Use Asset and Lease Liability   HTML     41K 
                (Details)                                                        
59: R48         Schedule of Undiscounted Rent Payments (Details)    HTML     37K 
60: R49         Leases (Details Narrative)                          HTML     28K 
61: R50         Schedule of Accounts Receivable (Details)           HTML     33K 
62: R51         Schedule of Inventory (Details)                     HTML     33K 
63: R52         Schedule of Property, Equipment and Leaseholds      HTML     64K 
                (Details)                                                        
64: R53         Property, Equipment and Leaseholds (Details         HTML     31K 
                Narrative)                                                       
65: R54         Schedule of Patents (Details)                       HTML     33K 
66: R55         Schedule of Goodwill and Indefinite Lived           HTML     37K 
                Intangible Assets (Details)                                      
67: R56         Patents (Details Narrative)                         HTML     32K 
68: R57         Schedule of Estimated Future Amortization Expense   HTML     39K 
                (Details)                                                        
69: R58         Goodwill and Intangible Assets (Details Narrative)  HTML     29K 
70: R59         Schedule of Long Term Deposits (Details)            HTML     28K 
71: R60         Schedule of Fair Values of the Assets Acquired and  HTML     48K 
                Liabilities Assumed (Details)                                    
72: R61         Schedule of Equity Method Investment (Details)      HTML     39K 
73: R62         Summary of Profit and Loss Information Related to   HTML     34K 
                Equity Accounted Investment (Details)                            
74: R63         Investments (Details Narrative)                     HTML     99K 
75: R64         Short-Term Line of Credit (Details Narrative)       HTML     63K 
76: R65         Schedule of Loan Covenants (Details)                HTML     36K 
77: R66         Schedule of Outstanding Balance Loan (Details)      HTML     53K 
78: R67         Long Term Debt (Details Narrative)                  HTML     87K 
79: R68         Schedule of Provision for Income Tax Expense        HTML     56K 
                (Benefit) (Details)                                              
80: R69         Schedule of Reconciliation of Income Taxes          HTML     55K 
                (Details)                                                        
81: R70         Schedule of Deferred Tax Assets (Liabilities)       HTML     53K 
                (Details)                                                        
82: R71         Schedule of Non Operating Loss Carryforwards        HTML     40K 
                (Details)                                                        
83: R72         Income Taxes (Details Narrative)                    HTML     32K 
84: R73         Schedule of Basic and Diluted Loss Per Share        HTML     56K 
                (Details)                                                        
85: R74         Schedule of Anti-Dilutive Options (Details)         HTML     29K 
86: R75         Income Per Share (Details Narrative)                HTML     34K 
87: R76         Schedule of Stock Option Activities (Details)       HTML     77K 
88: R77         Schedule of Stock Option Fair Value Assumptions     HTML     48K 
                (Details)                                                        
89: R78         Stock Options (Details Narrative)                   HTML     63K 
90: R79         Capital Stock (Details Narrative)                   HTML     48K 
91: R80         Schedule of Distributions (Details)                 HTML     43K 
92: R81         Schedule of Non Controlling Interest Related to     HTML     41K 
                Acquisition (Details)                                            
93: R82         Non-Controlling Interests (Details Narrative)       HTML     49K 
94: R83         Schedule of Reportable Segments (Details)           HTML     69K 
95: R84         Schedule of Revenue Generated in United States and  HTML     36K 
                Canada (Details)                                                 
96: R85         Schedule of Long-Lived Assets Are Located in        HTML     33K 
                Canada and United State (Details)                                
97: R86         Segmented, Significant Customer Information and     HTML     37K 
                Economic Dependency (Details Narrative)                          
98: R87         Subsequent Events (Details Narrative)               HTML     41K 
100: XML         IDEA XML File -- Filing Summary                      XML    187K  
103: XML         XBRL Instance -- form10-k_htm                        XML   1.65M  
99: EXCEL       IDEA Workbook of Financial Report Info              XLSX    163K 
 8: EX-101.CAL  Inline XBRL Taxonomy Extension Calculation           XML    233K 
                Linkbase Document -- fsi-20231231_cal                            
 9: EX-101.DEF  Inline XBRL Taxonomy Extension Definition Linkbase   XML    611K 
                Document -- fsi-20231231_def                                     
10: EX-101.LAB  Inline XBRL Taxonomy Extension Label Linkbase        XML   1.33M 
                Document -- fsi-20231231_lab                                     
11: EX-101.PRE  Inline XBRL Taxonomy Extension Presentation          XML   1.06M 
                Linkbase Document -- fsi-20231231_pre                            
 7: EX-101.SCH  Inline XBRL Taxonomy Extension Schema Document --    XSD    197K 
                fsi-20231231                                                     
101: JSON        XBRL Instance as JSON Data -- MetaLinks              544±   773K  
102: ZIP         XBRL Zipped Folder -- 0001493152-24-012435-xbrl      Zip    346K

‘EX-101.SCH’   —   Inline XBRL Taxonomy Extension Schema Document — fsi-20231231

This Exhibit is an XBRL File.

                                                                                                                                                                                
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<link:definition> 995512 - Disclosure - BASIS OF PRESENTATION </link:definition>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:roleType roleURI="http://flexiblesolutions.com/role/SignificantAccountingPolicies" id="SignificantAccountingPolicies">
<link:definition> 995513 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://flexiblesolutions.com/role/Leases" id="Leases">
<link:definition> 995514 - Disclosure - LEASES </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://flexiblesolutions.com/role/AccountsReceivable" id="AccountsReceivable">
<link:definition> 995515 - Disclosure - ACCOUNTS RECEIVABLE </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://flexiblesolutions.com/role/Inventories" id="Inventories">
<link:definition> 995516 - Disclosure - INVENTORIES </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://flexiblesolutions.com/role/PropertyEquipmentAndLeaseholds" id="PropertyEquipmentAndLeaseholds">
<link:definition> 995517 - Disclosure - PROPERTY, EQUIPMENT AND LEASEHOLDS </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://flexiblesolutions.com/role/Patents" id="Patents">
<link:definition> 995518 - Disclosure - PATENTS </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://flexiblesolutions.com/role/GoodwillAndIntangibleAssets" id="GoodwillAndIntangibleAssets">
<link:definition> 995519 - Disclosure - GOODWILL AND INTANGIBLE ASSETS </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://flexiblesolutions.com/role/LongTermDeposits" id="LongTermDeposits">
<link:definition> 995520 - Disclosure - LONG TERM DEPOSITS </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://flexiblesolutions.com/role/Investments" id="Investments">
<link:definition> 995521 - Disclosure - INVESTMENTS </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://flexiblesolutions.com/role/Short-termLineOfCredit" id="Short-termLineOfCredit">
<link:definition> 995522 - Disclosure - SHORT-TERM LINE OF CREDIT </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:definition> 995523 - Disclosure - LONG TERM DEBT </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://flexiblesolutions.com/role/IncomeTaxes" id="IncomeTaxes">
<link:definition> 995524 - Disclosure - INCOME TAXES </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://flexiblesolutions.com/role/IncomePerShare" id="IncomePerShare">
<link:definition> 995525 - Disclosure - INCOME PER SHARE </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://flexiblesolutions.com/role/StockOptions" id="StockOptions">
<link:definition> 995526 - Disclosure - STOCK OPTIONS </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://flexiblesolutions.com/role/CapitalStock" id="CapitalStock">
<link:definition> 995527 - Disclosure - CAPITAL STOCK </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://flexiblesolutions.com/role/Non-controllingInterests" id="Non-controllingInterests">
<link:definition> 995528 - Disclosure - NON-CONTROLLING INTERESTS </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:definition> 995529 - Disclosure - SEGMENTED, SIGNIFICANT CUSTOMER INFORMATION AND ECONOMIC DEPENDENCY </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
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<link:definition> 995530 - Disclosure - SUBSEQUENT EVENTS </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:definition> 995531 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES (Policies) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:definition> 995532 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:definition> 995533 - Disclosure - LEASES (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:definition> 995534 - Disclosure - ACCOUNTS RECEIVABLE (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:definition> 995535 - Disclosure - INVENTORIES (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:definition> 995536 - Disclosure - PROPERTY, EQUIPMENT AND LEASEHOLDS (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:definition> 995537 - Disclosure - PATENTS (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:definition> 995538 - Disclosure - GOODWILL AND INTANGIBLE ASSETS (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:definition> 995539 - Disclosure - LONG TERM DEPOSITS (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:definition> 995540 - Disclosure - INVESTMENTS (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:roleType roleURI="http://flexiblesolutions.com/role/LongTermDebtTables" id="LongTermDebtTables">
<link:definition> 995541 - Disclosure - LONG TERM DEBT (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:roleType roleURI="http://flexiblesolutions.com/role/IncomeTaxesTables" id="IncomeTaxesTables">
<link:definition> 995542 - Disclosure - INCOME TAXES (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
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<link:definition> 995543 - Disclosure - INCOME PER SHARE (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://flexiblesolutions.com/role/StockOptionsTables" id="StockOptionsTables">
<link:definition> 995544 - Disclosure - STOCK OPTIONS (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
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<link:definition> 995545 - Disclosure - NON-CONTROLLING INTERESTS (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://flexiblesolutions.com/role/SegmentedSignificantCustomerInformationAndEconomicDependencyTables" id="SegmentedSignificantCustomerInformationAndEconomicDependencyTables">
<link:definition> 995546 - Disclosure - SEGMENTED, SIGNIFICANT CUSTOMER INFORMATION AND ECONOMIC DEPENDENCY (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://flexiblesolutions.com/role/BasisOfPresentationDetailsNarrative" id="BasisOfPresentationDetailsNarrative">
<link:definition> 995547 - Disclosure - BASIS OF PRESENTATION (Details Narrative) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://flexiblesolutions.com/role/ScheduleOfMethodOfDepreciationDetails" id="ScheduleOfMethodOfDepreciationDetails">
<link:definition> 995548 - Disclosure - SCHEDULE OF METHOD OF DEPRECIATION (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://flexiblesolutions.com/role/SignificantAccountingPoliciesDetailsNarrative" id="SignificantAccountingPoliciesDetailsNarrative">
<link:definition> 995549 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES (Details Narrative) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://flexiblesolutions.com/role/SummaryOfRight-of-useAssetAndLeaseLiabilityDetails" id="SummaryOfRight-of-useAssetAndLeaseLiabilityDetails">
<link:definition> 995550 - Disclosure - SUMMARY OF RIGHT-OF-USE ASSET AND LEASE LIABILITY (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://flexiblesolutions.com/role/ScheduleOfUndiscountedRentPaymentsDetails" id="ScheduleOfUndiscountedRentPaymentsDetails">
<link:definition> 995551 - Disclosure - SCHEDULE OF UNDISCOUNTED RENT PAYMENTS (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://flexiblesolutions.com/role/LeasesDetailsNarrative" id="LeasesDetailsNarrative">
<link:definition> 995552 - Disclosure - LEASES (Details Narrative) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://flexiblesolutions.com/role/ScheduleOfAccountsReceivableDetails" id="ScheduleOfAccountsReceivableDetails">
<link:definition> 995553 - Disclosure - SCHEDULE OF ACCOUNTS RECEIVABLE (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://flexiblesolutions.com/role/ScheduleOfInventoryDetails" id="ScheduleOfInventoryDetails">
<link:definition> 995554 - Disclosure - SCHEDULE OF INVENTORY (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://flexiblesolutions.com/role/ScheduleOfPropertyEquipmentAndLeaseholdsDetails" id="ScheduleOfPropertyEquipmentAndLeaseholdsDetails">
<link:definition> 995555 - Disclosure - SCHEDULE OF PROPERTY, EQUIPMENT AND LEASEHOLDS (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://flexiblesolutions.com/role/PropertyEquipmentAndLeaseholdsDetailsNarrative" id="PropertyEquipmentAndLeaseholdsDetailsNarrative">
<link:definition> 995556 - Disclosure - PROPERTY, EQUIPMENT AND LEASEHOLDS (Details Narrative) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://flexiblesolutions.com/role/ScheduleOfPatentsDetails" id="ScheduleOfPatentsDetails">
<link:definition> 995557 - Disclosure - SCHEDULE OF PATENTS (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://flexiblesolutions.com/role/ScheduleOfGoodwillAndIndefiniteLivedIntangibleAssetsDetails" id="ScheduleOfGoodwillAndIndefiniteLivedIntangibleAssetsDetails">
<link:definition> 995558 - Disclosure - SCHEDULE OF GOODWILL AND INDEFINITE LIVED INTANGIBLE ASSETS (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://flexiblesolutions.com/role/PatentsDetailsNarrative" id="PatentsDetailsNarrative">
<link:definition> 995559 - Disclosure - PATENTS (Details Narrative) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://flexiblesolutions.com/role/ScheduleOfEstimatedFutureAmortizationExpenseDetails" id="ScheduleOfEstimatedFutureAmortizationExpenseDetails">
<link:definition> 995560 - Disclosure - SCHEDULE OF ESTIMATED FUTURE AMORTIZATION EXPENSE (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://flexiblesolutions.com/role/GoodwillAndIntangibleAssetsDetailsNarrative" id="GoodwillAndIntangibleAssetsDetailsNarrative">
<link:definition> 995561 - Disclosure - GOODWILL AND INTANGIBLE ASSETS (Details Narrative) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://flexiblesolutions.com/role/ScheduleOfLongTermDepositsDetails" id="ScheduleOfLongTermDepositsDetails">
<link:definition> 995562 - Disclosure - SCHEDULE OF LONG TERM DEPOSITS (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://flexiblesolutions.com/role/ScheduleOfFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetails" id="ScheduleOfFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetails">
<link:definition> 995563 - Disclosure - SCHEDULE OF FAIR VALUES OF THE ASSETS ACQUIRED AND LIABILITIES ASSUMED (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://flexiblesolutions.com/role/ScheduleOfEquityMethodInvestmentDetails" id="ScheduleOfEquityMethodInvestmentDetails">
<link:definition> 995564 - Disclosure - SCHEDULE OF EQUITY METHOD INVESTMENT (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://flexiblesolutions.com/role/SummaryOfProfitAndLossInformationRelatedToEquityAccountedInvestmentDetails" id="SummaryOfProfitAndLossInformationRelatedToEquityAccountedInvestmentDetails">
<link:definition> 995565 - Disclosure - SUMMARY OF PROFIT AND LOSS INFORMATION RELATED TO EQUITY ACCOUNTED INVESTMENT (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://flexiblesolutions.com/role/InvestmentsDetailsNarrative" id="InvestmentsDetailsNarrative">
<link:definition> 995566 - Disclosure - INVESTMENTS (Details Narrative) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://flexiblesolutions.com/role/Short-termLineOfCreditDetailsNarrative" id="Short-termLineOfCreditDetailsNarrative">
<link:definition> 995567 - Disclosure - SHORT-TERM LINE OF CREDIT (Details Narrative) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://flexiblesolutions.com/role/ScheduleOfLoanCovenantsDetails" id="ScheduleOfLoanCovenantsDetails">
<link:definition> 995568 - Disclosure - SCHEDULE OF LOAN COVENANTS (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://flexiblesolutions.com/role/ScheduleOfOutstandingBalanceLoanDetails" id="ScheduleOfOutstandingBalanceLoanDetails">
<link:definition> 995569 - Disclosure - SCHEDULE OF OUTSTANDING BALANCE LOAN (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://flexiblesolutions.com/role/LongTermDebtDetailsNarrative" id="LongTermDebtDetailsNarrative">
<link:definition> 995570 - Disclosure - LONG TERM DEBT (Details Narrative) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://flexiblesolutions.com/role/ScheduleOfProvisionForIncomeTaxExpenseBenefitDetails" id="ScheduleOfProvisionForIncomeTaxExpenseBenefitDetails">
<link:definition> 995571 - Disclosure - SCHEDULE OF PROVISION FOR INCOME TAX EXPENSE (BENEFIT) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://flexiblesolutions.com/role/ScheduleOfReconciliationOfIncomeTaxesDetails" id="ScheduleOfReconciliationOfIncomeTaxesDetails">
<link:definition> 995572 - Disclosure - SCHEDULE OF RECONCILIATION OF INCOME TAXES (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://flexiblesolutions.com/role/ScheduleOfDeferredTaxAssetsLiabilitiesDetails" id="ScheduleOfDeferredTaxAssetsLiabilitiesDetails">
<link:definition> 995573 - Disclosure - SCHEDULE OF DEFERRED TAX ASSETS (LIABILITIES) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://flexiblesolutions.com/role/ScheduleOfNonOperatingLossCarryforwardsDetails" id="ScheduleOfNonOperatingLossCarryforwardsDetails">
<link:definition> 995574 - Disclosure - SCHEDULE OF NON OPERATING LOSS CARRYFORWARDS (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://flexiblesolutions.com/role/IncomeTaxesDetailsNarrative" id="IncomeTaxesDetailsNarrative">
<link:definition> 995575 - Disclosure - INCOME TAXES (Details Narrative) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://flexiblesolutions.com/role/ScheduleOfBasicAndDilutedLossPerShareDetails" id="ScheduleOfBasicAndDilutedLossPerShareDetails">
<link:definition> 995576 - Disclosure - SCHEDULE OF BASIC AND DILUTED LOSS PER SHARE (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://flexiblesolutions.com/role/ScheduleOfAnti-dilutiveOptionsDetails" id="ScheduleOfAnti-dilutiveOptionsDetails">
<link:definition> 995577 - Disclosure - SCHEDULE OF ANTI-DILUTIVE OPTIONS (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://flexiblesolutions.com/role/IncomePerShareDetailsNarrative" id="IncomePerShareDetailsNarrative">
<link:definition> 995578 - Disclosure - INCOME PER SHARE (Details Narrative) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://flexiblesolutions.com/role/ScheduleOfStockOptionActivitiesDetails" id="ScheduleOfStockOptionActivitiesDetails">
<link:definition> 995579 - Disclosure - SCHEDULE OF STOCK OPTION ACTIVITIES (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://flexiblesolutions.com/role/ScheduleOfStockOptionFairValueAssumptionsDetails" id="ScheduleOfStockOptionFairValueAssumptionsDetails">
<link:definition> 995580 - Disclosure - SCHEDULE OF STOCK OPTION FAIR VALUE ASSUMPTIONS (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://flexiblesolutions.com/role/StockOptionsDetailsNarrative" id="StockOptionsDetailsNarrative">
<link:definition> 995581 - Disclosure - STOCK OPTIONS (Details Narrative) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://flexiblesolutions.com/role/CapitalStockDetailsNarrative" id="CapitalStockDetailsNarrative">
<link:definition> 995582 - Disclosure - CAPITAL STOCK (Details Narrative) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://flexiblesolutions.com/role/ScheduleOfDistributionsDetails" id="ScheduleOfDistributionsDetails">
<link:definition> 995583 - Disclosure - SCHEDULE OF DISTRIBUTIONS (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://flexiblesolutions.com/role/ScheduleOfNonControllingInterestRelatedToAcquisitionDetails" id="ScheduleOfNonControllingInterestRelatedToAcquisitionDetails">
<link:definition> 995584 - Disclosure - SCHEDULE OF NON CONTROLLING INTEREST RELATED TO ACQUISITION (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://flexiblesolutions.com/role/Non-controllingInterestsDetailsNarrative" id="Non-controllingInterestsDetailsNarrative">
<link:definition> 995585 - Disclosure - NON-CONTROLLING INTERESTS (Details Narrative) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://flexiblesolutions.com/role/ScheduleOfReportableSegmentsDetails" id="ScheduleOfReportableSegmentsDetails">
<link:definition> 995586 - Disclosure - SCHEDULE OF REPORTABLE SEGMENTS (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://flexiblesolutions.com/role/ScheduleOfRevenueGeneratedInUnitedStatesAndCanadaDetails" id="ScheduleOfRevenueGeneratedInUnitedStatesAndCanadaDetails">
<link:definition> 995587 - Disclosure - SCHEDULE OF REVENUE GENERATED IN UNITED STATES AND CANADA (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://flexiblesolutions.com/role/ScheduleOfLong-livedAssetsAreLocatedInCanadaAndUnitedStateDetails" id="ScheduleOfLong-livedAssetsAreLocatedInCanadaAndUnitedStateDetails">
<link:definition> 995588 - Disclosure - SCHEDULE OF LONG-LIVED ASSETS ARE LOCATED IN CANADA AND UNITED STATE (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://flexiblesolutions.com/role/SegmentedSignificantCustomerInformationAndEconomicDependencyDetailsNarrative" id="SegmentedSignificantCustomerInformationAndEconomicDependencyDetailsNarrative">
<link:definition> 995589 - Disclosure - SEGMENTED, SIGNIFICANT CUSTOMER INFORMATION AND ECONOMIC DEPENDENCY (Details Narrative) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://flexiblesolutions.com/role/SubsequentEventsDetailsNarrative" id="SubsequentEventsDetailsNarrative">
<link:definition> 995590 - Disclosure - SUBSEQUENT EVENTS (Details Narrative) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:linkbaseRef xlink:type="simple" xlink:href="fsi-20231231_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Presentation Links"/>
<link:linkbaseRef xlink:type="simple" xlink:href="fsi-20231231_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Label Links"/>
<link:linkbaseRef xlink:type="simple" xlink:href="fsi-20231231_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Calculation Links"/>
<link:linkbaseRef xlink:type="simple" xlink:href="fsi-20231231_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Definition Links"/>
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</annotation>
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<import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd"/>
<import namespace="http://xbrl.sec.gov/dei/2023" schemaLocation="https://xbrl.sec.gov/dei/2023/dei-2023.xsd"/>
<import namespace="http://fasb.org/us-gaap/2023" schemaLocation="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd"/>
<import namespace="http://fasb.org/us-types/2023" schemaLocation="https://xbrl.fasb.org/us-gaap/2023/elts/us-types-2023.xsd"/>
<import namespace="http://www.xbrl.org/dtr/type/2022-03-31" schemaLocation="https://www.xbrl.org/dtr/type/2022-03-31/types.xsd"/>
<import namespace="http://xbrl.sec.gov/ecd/2023" schemaLocation="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd"/>
<import namespace="http://xbrl.sec.gov/country/2023" schemaLocation="https://xbrl.sec.gov/country/2023/country-2023.xsd"/>
<import namespace="http://fasb.org/srt/2023" schemaLocation="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd"/>
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<element id="FSI_CapitalInExcessOfParValueMember" name="CapitalInExcessOfParValueMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/>
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<element id="FSI_ENPInvestmentsAndENPMendotaMember" name="ENPInvestmentsAndENPMendotaMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/>
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<element id="FSI_InvestmentMember" name="InvestmentMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_BoatMember" name="BoatMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_TrailerMember" name="TrailerMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_SoftwareMember" name="SoftwareMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_EnPInvestmentsCorporationLLCMember" name="EnPInvestmentsCorporationLLCMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_EnpPeruInvestmentsLlcMember" name="EnpPeruInvestmentsLlcMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_NanoChemMember" name="NanoChemMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_ENPInvestmentsLLCMember" name="ENPInvestmentsLLCMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_EnpnvestmentsLlcMember" name="EnpnvestmentsLlcMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_AppliedHoldingCorpMember" name="AppliedHoldingCorpMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_TrioOpportunityCorpMember" name="TrioOpportunityCorpMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_FloridaBasedLLCMember" name="FloridaBasedLLCMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_LygosIncMember" name="LygosIncMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_StockYardAndBankMember" name="StockYardAndBankMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_MidlandStatesBankMember" name="MidlandStatesBankMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_NewAgreementMember" name="NewAgreementMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_NanoChemSolutionIncMember" name="NanoChemSolutionIncMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_StockBankMember" name="StockBankMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_TermLoanMember" name="TermLoanMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_MidlandBankMember" name="MidlandBankMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_NanoChemSolutionsIncMember" name="NanoChemSolutionsIncMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_ENPMendotaMember" name="ENPMendotaMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_StockYardsBankTrustMember" name="StockYardsBankTrustMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_EnpRealtyLLCMember" name="EnpRealtyLLCMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_ENPPeruInvestmentsMember" name="ENPPeruInvestmentsMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_ENPPeruOneMember" name="ENPPeruOneMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_MendotaMember" name="MendotaMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_MidlandStatesBankOneMember" name="MidlandStatesBankOneMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_StockYardsBankTrustOneMember" name="StockYardsBankTrustOneMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_StockYardsBankTrustTwoMember" name="StockYardsBankTrustTwoMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_StockYardsBankTrustThreeMember" name="StockYardsBankTrustThreeMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_StockYardsBankTrustFourMember" name="StockYardsBankTrustFourMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_StockYardsBankTrustFiveMember" name="StockYardsBankTrustFiveMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_TwoThousandThirtyTaxYearMember" name="TwoThousandThirtyTaxYearMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_TwoThousandThirtyOneYearMember" name="TwoThousandThirtyOneYearMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_TwoThousandThirtyTwoYearMember" name="TwoThousandThirtyTwoYearMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_TwoThousandThirtySevenYearMember" name="TwoThousandThirtySevenYearMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_TwoThousandThirtyNineYearMember" name="TwoThousandThirtyNineYearMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_TwoThousandFourtyYearMember" name="TwoThousandFourtyYearMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_ConsultantsMember" name="ConsultantsMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_EmployeesMember" name="EmployeesMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_ConsultantStockOptionMember" name="ConsultantStockOptionMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_OwnershipInterestPurchaseAgreementMember" name="OwnershipInterestPurchaseAgreementMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_ThreeCustomersMember" name="ThreeCustomersMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_EWCPMember" name="EWCPMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_SegmentMember" name="SegmentMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_BCPAMember" name="BCPAMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_UnitedStatesandAbroadMember" name="UnitedStatesandAbroadMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_Consulting" name="Consulting" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_InvestorRelationsAndTransferAgentFee" name="InvestorRelationsAndTransferAgentFee" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_Commissions" name="Commissions" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_ShippingCost" name="ShippingCost" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_GainOnPreviouslyHeldEquityInterest" name="GainOnPreviouslyHeldEquityInterest" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_LeaseRightOfUseFinancing" name="LeaseRightOfUseFinancing" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_GainOnAcquisitionOfSubsidiary" name="GainOnAcquisitionOfSubsidiary" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_ProceedsFromRedemptionOfInvestments" name="ProceedsFromRedemptionOfInvestments" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_ProceedsFromNoncontrollingInterestOfMendota" name="ProceedsFromNoncontrollingInterestOfMendota" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_PaymentsToAcquireLongTermDeposits" name="PaymentsToAcquireLongTermDeposits" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_DisclosureLeasesAbstract" name="DisclosureLeasesAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_DisclosureLongTermDepositsAbstract" name="DisclosureLongTermDepositsAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_LongTermDepositsTextBlock" name="LongTermDepositsTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_TermDepositsPolicyTextBlock" name="TermDepositsPolicyTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_StockIssuedInExchangeForServicesPolicyTextBlock" name="StockIssuedInExchangeForServicesPolicyTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_ScheduleOfMethodOfDepreciationTableTextBlock" name="ScheduleOfMethodOfDepreciationTableTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_SummaryOfRightofuseAssetAndLeaseLiabilityTableTextBlock" name="SummaryOfRightofuseAssetAndLeaseLiabilityTableTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_ScheduleOfLongTermDepositsTableTextBlock" name="ScheduleOfLongTermDepositsTableTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_ScheduleOfLoanCovenantsTableTextBlock" name="ScheduleOfLoanCovenantsTableTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_ScheduleOfNonOperatingLossCarryforwardsTableTextBlock" name="ScheduleOfNonOperatingLossCarryforwardsTableTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_ScheduleOfDistributionsTableTextBlock" name="ScheduleOfDistributionsTableTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_ScheduleOfNonControllingInterestRelatedToAcquisitionTableTextBlock" name="ScheduleOfNonControllingInterestRelatedToAcquisitionTableTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_IncreaseDecreaseInSharePercentage" name="IncreaseDecreaseInSharePercentage" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_RemainingInvestmentOwnedPercentage" name="RemainingInvestmentOwnedPercentage" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_DepreciationMethodUsedAndAnnualRate" name="DepreciationMethodUsedAndAnnualRate" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_MinimumInterestPenalty" name="MinimumInterestPenalty" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_ConcentrationRiskThresholdPercentage" name="ConcentrationRiskThresholdPercentage" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_LeaseInterestExpense" name="LeaseInterestExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLongTermDebt" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLongTermDebt" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLessPurchasePrice" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLessPurchasePrice" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_InvestmentEliminatedUponConsolidation" name="InvestmentEliminatedUponConsolidation" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_EquityMethodInvestmentReturnOfEquity" name="EquityMethodInvestmentReturnOfEquity" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_RealizedInvestmentGainsLossesNet" name="RealizedInvestmentGainsLossesNet" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_AdditionalEquityMethodInvestmentOwnershipPercentage" name="AdditionalEquityMethodInvestmentOwnershipPercentage" nillable="true" xbrli:periodType="instant" type="dtr-types:percentItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_DebtInstrumentMaturityMonthYear" name="DebtInstrumentMaturityMonthYear" nillable="true" xbrli:periodType="duration" type="xbrli:gYearMonthItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_PercentageOfForeignAccountsReceivableOfInventory" name="PercentageOfForeignAccountsReceivableOfInventory" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_LoanGuaranteedRate" name="LoanGuaranteedRate" nillable="true" xbrli:periodType="instant" type="dtr-types:percentItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_EligiblePercentageOfDomesticAccountsReceivable" name="EligiblePercentageOfDomesticAccountsReceivable" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_ProceedsFromLoanAcquiredFromAcquisition" name="ProceedsFromLoanAcquiredFromAcquisition" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_CurrentTax" name="CurrentTax" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_IncomeTaxRecovery" name="IncomeTaxRecovery" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_ExpectedIncomeTaxRecovery" name="ExpectedIncomeTaxRecovery" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_DeferredTaxAssetsPropertyPlantsAndEquipment" name="DeferredTaxAssetsPropertyPlantsAndEquipment" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_DeferredTaxAssetsPropertyPlantsAndEquipmentOne" name="DeferredTaxAssetsPropertyPlantsAndEquipmentOne" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_DeferredTaxAssetNotRecognized" name="DeferredTaxAssetNotRecognized" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsExercisePrice" name="SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsExercisePrice" nillable="true" xbrli:periodType="instant" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeGrantedOptionsExercisePrice" name="SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeGrantedOptionsExercisePrice" nillable="true" xbrli:periodType="duration" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeCancelledOrExpiredOptionsExercisePrice" name="SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeCancelledOrExpiredOptionsExercisePrice" nillable="true" xbrli:periodType="duration" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExcercisedOptionsExercisePrice" name="SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExcercisedOptionsExercisePrice" nillable="true" xbrli:periodType="duration" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingExercisableOptionsExercisePrice" name="SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingExercisableOptionsExercisePrice" nillable="true" xbrli:periodType="instant" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_AdditionalExpensesDueToOptionsGranted" name="AdditionalExpensesDueToOptionsGranted" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_SegmentAssets" name="SegmentAssets" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_StockOptionExercisePercent" name="StockOptionExercisePercent" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_OtherTermDeposit" name="OtherTermDeposit" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_SecondTermDeposit" name="SecondTermDeposit" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_ThirdTermDeposit" name="ThirdTermDeposit" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_GainOnAcquisition" name="GainOnAcquisition" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_CurrentIncomeTaxExpenseBenefits" name="CurrentIncomeTaxExpenseBenefits" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_RemainningShareOutstanding" name="RemainningShareOutstanding" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/>
<element id="FSI_EmployeeMember" name="EmployeeMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/>
</schema>

2 Previous Filings that this Filing References

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

 1/22/03  Flexible Solutions Int’l Inc.     SB-2/A                 3:123K                                   Kupel & Co/FA/Fil… Agent
 2/22/00  Flexible Solutions Int’l Inc.     10SB12G               10:203K                                   Kupel Fred J
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