4Suppliers
21Customers
2Debt Items
0Related Chains

Source-Backed Evidence Depth

Flexible Solutions International, Inc. (FSI) is shown with relationship data already present in ChainSifter's database. Counts below come from stored supply-chain records and filing/source URLs where available; missing source URLs are not filled in or estimated.

28Total relationships
2Distinct source URLs
14High confidence
0.746Average confidence
2026-09-13Latest database update
ChainSifter does not infer unreported suppliers, customers, ownership, acquisitions, debt exposure, revenue dependency, or future supply-chain events on this public page.

Flexible Solutions International, Inc. Suppliers

TickerNameConfidenceEvidence
DONLAR-CORPORATION DONLAR-CORPORATION 92% In June 2004 we purchased 52 U.S. and 139 International Patents ("IP"), as well as a 56,780 sq. ft. manufacturing plant near Chicago, Illinois from the bankruptcy estate of Donlar Corporation ("Donla…
ENP-INVESTMENTS-LLC ENP-INVESTMENTS-LLC 90% In October 2018, we purchased 65% of ENP Investments, LLC, a manufacturing and distribution company active in the areas of golf, turf and ornamental agriculture products.
317-MENDOTA-LLC 317-MENDOTA-LLC 85% In June 2023, 317 Mendota LLC ("317 Mendota") was created to purchase real estate and the Company has 80% ownership with an unrelated party (NCI) owning the remaining 20%.
ENP-PERU-INVESTMENTS-LLC ENP-PERU-INVESTMENTS-LLC 80% In June 2022, ENP Peru Investments, LLC became a subsidiary with NanoChem owning 91.67% and ENP Investments, LLC owning 8.33% of ENP Peru.

Flexible Solutions International, Inc. Customers

TickerNameConfidenceEvidence
COMPANY-A COMPANY-A 90% Three primary customers accounted for 56% of the Company's sales during the three months ended March 31, 2026
COMPANY-B COMPANY-B 90% Three primary customers accounted for 56% of the Company's sales during the three months ended March 31, 2026
COMPANY-C COMPANY-C 90% Three primary customers accounted for 56% of the Company's sales during the three months ended March 31, 2026
COMPANY-D COMPANY-D 90% Three primary customers accounted for 56% of the Company's sales during the three months ended March 31, 2026
NANOCHEM-SOLUTIONS-INC NANOCHEM-SOLUTIONS-INC 85% d as additives for household laundry detergents, consumer care products and pesticides. These assets are held in our wholly owned subsidiary, NanoChem Solutions Inc. (“NanoChem”), which has become ou…
FARMERS FARMERS 80% we also sell our TPA products to farmers
OIL-AND-GAS-COMPANIES OIL-AND-GAS-COMPANIES 80% we sell our TPA products to oil and gas companies
BAYER-AG BAYER-AG 62% ncipal Customers The table below presents our revenue resulting from purchases by our major customers for the periods presented. Year Ended December 31, 2025 2024 Company A $ 8,817,331 $ 8,050,462 Co…
ENP-INVESTMENTS-LLC ENP-INVESTMENTS-LLC 62% . WATERSAVR®: WATERSAVR® competes with solid and floating covers. We believe our WATERSAVR® product is superior for the following reasons: it is less expensive, requires little capital expenditure to…
ENP-MENDOTA-LLC ENP-MENDOTA-LLC 62% d as additives for household laundry detergents, consumer care products and pesticides. These assets are held in our wholly owned subsidiary, NanoChem Solutions Inc. (“NanoChem”), which has become ou…
ENP-PERU-INVESTMENTS-LLC ENP-PERU-INVESTMENTS-LLC 62% d as additives for household laundry detergents, consumer care products and pesticides. These assets are held in our wholly owned subsidiary, NanoChem Solutions Inc. (“NanoChem”), which has become ou…
ENP-REALTY-LLC ENP-REALTY-LLC 62% . WATERSAVR®: WATERSAVR® competes with solid and floating covers. We believe our WATERSAVR® product is superior for the following reasons: it is less expensive, requires little capital expenditure to…
FLEXIBLE-FERMENTATION-LTD-NANOCHEM-SOLUTIONS-INC FLEXIBLE-FERMENTATION-LTD-NANOCHEM-SOLUTIONS-INC 62% ectations reflected in any of our forward-looking statements are reasonable, actual results could differ materially from those projected or assumed in any of our forward-looking statements. Our futur…
FLEXIBLE-SOLUTIONS-INTERNATIONAL-INC FLEXIBLE-SOLUTIONS-INTERNATIONAL-INC 62% ectations reflected in any of our forward-looking statements are reasonable, actual results could differ materially from those projected or assumed in any of our forward-looking statements. Our futur…
FLEXIBLE-SOLUTIONS-LTD-FLEXIBLE-BIOMASS-LP-FS-BI FLEXIBLE-SOLUTIONS-LTD-FLEXIBLE-BIOMASS-LP-FS-BI 62% ectations reflected in any of our forward-looking statements are reasonable, actual results could differ materially from those projected or assumed in any of our forward-looking statements. Our futur…
FLORIDA-BASED-LLC FLORIDA-BASED-LLC 62% . In connection with this reclassification, the Company recognized a loss of $ 183,423 , representing the write-down of the property’s carrying amount to its estimated net proceeds from the anticipat…
INNFLEX-HOLDINGS-INC-ENP-PERU-INVESTMENTS-LLC INNFLEX-HOLDINGS-INC-ENP-PERU-INVESTMENTS-LLC 62% ectations reflected in any of our forward-looking statements are reasonable, actual results could differ materially from those projected or assumed in any of our forward-looking statements. Our futur…
LANXESS-AG LANXESS-AG 62% ncipal Customers The table below presents our revenue resulting from purchases by our major customers for the periods presented. Year Ended December 31, 2025 2024 Company A $ 8,817,331 $ 8,050,462 Co…
MENDOTA-LLC MENDOTA-LLC 62% . WATERSAVR®: WATERSAVR® competes with solid and floating covers. We believe our WATERSAVR® product is superior for the following reasons: it is less expensive, requires little capital expenditure to…
PANA-CHEM-SOLUTIONS-INC PANA-CHEM-SOLUTIONS-INC 62% . WATERSAVR®: WATERSAVR® competes with solid and floating covers. We believe our WATERSAVR® product is superior for the following reasons: it is less expensive, requires little capital expenditure to…
TRIO-OPPORTUNITY-CORP TRIO-OPPORTUNITY-CORP 62% . In connection with this reclassification, the Company recognized a loss of $ 183,423 , representing the write-down of the property’s carrying amount to its estimated net proceeds from the anticipat…

Flexible Solutions International, Inc. Debt Obligations

InstrumentDescriptionConfidenceEvidence
FSI-DEBT Debt stack $4.4M 90% Market cache reports total debt of $4.4M.
FSI-DEBT-9655 Xbrl Convertible 90% xbrl convertible detail from xbrl 2020-09-30.

Flexible Solutions International, Inc. Acquisitions

No acquisitions on recordNo completed or pending acquisitions found in our database for Flexible Solutions International, Inc..

Flexible Solutions International, Inc. Ownership

HolderNameConfidenceEvidence
FSI-OWNER-VANGUARD-CAPITAL-MANAGEMENT-LLC VANGUARD CAPITAL MANAGEMENT LLC 90% 13F overlay lists VANGUARD CAPITAL MANAGEMENT LLC as top holder; 31 tracked holders.

Flexible Solutions International, Inc. Extended Supply Chain Network

No secondary connectionsNo correlated companies found through shared supply chain relationships.
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FSI
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Verified relationships include:
DONLAR-CORPORATIONDONLAR-CORPORATIONSupplier92%
ENP-INVESTMENTS-LLCENP-INVESTMENTS-LLCSupplier90%
COMPANY-ACOMPANY-ACustomer90%
COMPANY-BCOMPANY-BCustomer90%
+24 more relationships locked
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