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UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON , D.C. 20549 FORM 10 - K ( Mark One ) [ X ] ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Fiscal Year Ended December 31 , 2020 [ ] TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 OR Commission File No. 001-31540 FLEXIBLE SOLUTIONS INTERNATIONAL , INC . ( Exact name of registrant as specified in its charter ) Alberta ( State or other jurisdiction of incorporation or organization ) 6001 54 Ave. Taber , Alberta , Canada ( Address of Principal Executive Office ) Registrant's telephone number , including Area Code : ( 403 ) 223-2995 Securities registered pursuant to Section 12 ( b ) of the Act : Trading Symbol FSI 71 163 0889 ( Employer Identification No. ) T1G 1X4 Zip Code Name of each exchange on which registered NYSE American Title of each class Common Stock , $ 0.001 par value Securities registered pursuant to Section 12 ( g ) of the Act : None Indicate by check mark if the registrant is a well - known seasoned issuer , as defined in Rule 405 of the Securities Act . Yes [ ] No [ X ] Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15 ( d ) of the Act . Yes [ ] No [ X ] Indicate by check mark whether the registrant ( 1 ) has filed all reports to be filed by Section 13 or 15 ( d ) of the Securities Exchange Act of 1934 during the preceding 12 months ( or for such shorter period that the registrant was required to file such reports ) , and ( 2 ) has been subject to such filing requirements for the past 90 days . Yes [ X ] No [ ] Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S - T ( §232.405 of this chapter ) during the preceding 12 months ( or for such shorter period that the registrant was required to submit and post such files ) . Yes [ X ] No [ ] Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S - K is not contained herein , and will not be contained , to the best of Registrant's knowledge , in definitive proxy or information statements incorporated by reference in Part III of this Form 10 - K or any amendment to this Form 10 - K . [ X ] Indicate by check mark whether the registrant is a large accelerated filer , an accelerated filer , a non - accelerated filer , or a smaller reporting company or an emerging growth company . See the definitions of " large accelerated filer , ” “ accelerated filer ” , “ smaller reporting company " and “ emerging growth company " in Rule 12b - 2 of the Exchange Act . Large accelerated filer [ ] Accelerated filer [ ]