Producer
Perimeter Solutions
St. Louis, Missouri-based specialty chemical company (NYSE: PRM); SK Capital-owned. The dominant F3 foam producer, formed through acquisitions: Solberg (Green Bay WI, 2018), Auxquimia (Mieres, Asturias Spain, via ICL 2018). Primary F3 products: SOLBERG 3% MIL-SPEC SFFF (first F3 product on DoD QPL, September 2023) and SOLBERG EVOLUTION 3% SFFF (FM 5130 approved March 2026 — first Newtonian F3 foam to achieve FM approval for fixed sprinkler systems). DoD QPL has since expanded to four products (Feb 2024: Bio-Ex ECOPOL; Aug 2024: National Foam Avio F3; Apr 2025: Fomtec Enviro MIL) but Perimeter Solutions remains the most broadly approved. Also produces wildfire retardants (PHOS-CHEK series — the iconic red retardant dropped by aerial tankers) and other specialty firefighting chemicals. Perimeter Solutions simultaneously holds the most critical positions in two converging markets: DoD AFFF replacement AND aviation AFFF replacement (Part 139).
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Inputs supplied
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Goods downstream
2
Facilities
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Stories
What they make
2 inputs Perimeter Solutions supplies
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Where they make it
2 facilities
Perimeter Solutions / Auxquimia – Mieres, Asturias (Spain) →
ESAsturias
Legacy Auxquimia facility in Mieres, Asturias, Spain. Founded 1974 by the Acuña family; acquired by ICL in 2014, then absorbed into Perimeter Solutions (SK Capital) in 2018. Produces VERSAGARD AS-100 and VERSAGARD 1x3 F3 concentrates (both launched 2021-2022 as fluorine-free) plus legacy AFFF products. Mieres is a former coal mining town in Asturias — an industrial area transitioning from heavy industry to specialty chemicals. Asturias location gives cost-efficient access to South American and African export markets.
Perimeter Solutions / Solberg – Green Bay, Wisconsin →
USWisconsin
Solberg campus in Green Bay, Wisconsin — primary US manufacturing site for Perimeter Solutions' F3 foam concentrates including SOLBERG 3% MIL-SPEC SFFF (first DoD QPL-listed F3, September 2023) and SOLBERG EVOLUTION 3% SFFF (FM 5130 approved March 2026). Also produces PHOS-CHEK aerial wildfire retardants. Solberg was acquired by Perimeter Solutions in 2018. Green Bay is on the western shore of Lake Michigan — proximity to Great Lakes water supply and industrial transportation.
What else they do
Business segments
The company's full revenue map — where this supply-chain role fits within their broader business.
F3 Fluorine-Free Foam Concentrates (AFFF Replacement)
45%PHOS-CHEK Wildfire Aerial Retardants
40%Structural Fire Foams (Class A, Class B Legacy)
15%
Intelligence
What's known
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Did you know2026
Perimeter Solutions (Green Bay, Wisconsin) holds the most critical positions in two converging fire suppression markets that are required to transition away from AFFF simultaneously: the US DoD military market (via NDAA mandate, extended deadline October 1, 2026) and the civilian airport market (via FAA Part 139 requirements). Simultaneously, Perimeter Solutions is the dominant supplier of PHOS-CHEK aerial wildfire retardants — the iconic red slurry dropped by air tankers on forest fires. In March 2026, Perimeter Solutions' SOLBERG EVOLUTION became the first F3 foam to achieve FM 5130 approval for fixed sprinkler systems, adding a third critical market. One SK Capital-owned company at a Green Bay, Wisconsin facility is the keystone supplier for military foam, airport foam, and wildfire retardant simultaneously.
Aerial Fire Magazine ↗Chokepoint2023
As of September 2023, Perimeter Solutions' SOLBERG 3% MIL-SPEC Synthetic Fluorine-Free Foam (SFFF) is the ONLY fluorine-free firefighting foam concentrate on the US Department of Defense Qualified Products List under the new MIL-PRF-32725(I1) specification. Federal regulations require DoD-funded airports and military installations to purchase QPL-listed foam. Other foam manufacturers declined to participate in the QPL program. This gives Perimeter Solutions a temporary monopoly on DoD-compliant F3 foam — the mandated replacement for AFFF at US military airfields.
Perimeter Solutions IR ↗Capacity2023
The US DoD AFFF replacement mandate (2023 National Defense Authorization Act) creates a captive mandatory market for Perimeter Solutions. Every US military air installation that has legacy PFAS-based AFFF must replace it with qualified F3 foam — and as of 2023, the SOLBERG 3% MIL-SPEC product was the only F3 foam on the DoD's Qualified Products List. The number of DoD air installations requiring AFFF transition is in the hundreds; each installation requires tens of thousands of gallons of foam concentrate. Perimeter Solutions had a regulatory-created temporary monopoly on the only qualified product for a mandatory replacement program affecting all US Air Force, Navy, Marine Corps, and Coast Guard aviation facilities. The $10.3B 3M PFAS settlement — which highlighted the contamination caused by PFAS foam at military bases — simultaneously increased pressure to transition and validated the market opportunity that Perimeter Solutions uniquely occupies.
Perimeter Solutions, LP ↗Origin2023
Perimeter Solutions was assembled by SK Capital (private equity) through acquisitions of Solberg (Green Bay WI, 2018 from ICL) and Auxquimia (Asturias Spain, 2018 from ICL), then IPO'd on NYSE as PRM in 2021. Solberg had been the leading US Class B foam manufacturer and was positioned to benefit from the AFFF-to-F3 transition as PFAS regulations drove phase-out of fluorinated foam. The company simultaneously holds the most critical position in two converging market transitions: DoD AFFF replacement (US military air bases phasing out PFAS-based foam under 2023 NDAA mandate) and civil aviation Part 139 AFFF replacement (FAA-regulated airports transitioning by 2026 deadlines). Having first-mover DoD QPL approval (September 2023) gives Perimeter Solutions pricing power during a mandatory market transition with no customer alternatives — an unusually strong commercial position for a specialty chemicals company.
Perimeter Solutions, LP (NYSE: PRM) ↗