Perimeter Solutions: PHOS-CHEK Value Chain
Perimeter Solutions — unit flow process
Supplies the base chemical
1. Fertilizer & chemical suppliers
Commodity ammonium phosphate; certain raw materials limited or sole-sourced (FY25 10-K).
“Ammonia cost is passed through” — Former Global Director, Perimeter Solutions; the spread is contractual, not spot.
No margin disclosed in filings — n/a
Phos-Chek — the only QPL product
2. Perimeter Solutions
Sole QPL-qualified long-term retardant supplier (GAO B-423952); 38 owned US fire-safety patents plus 49 foreign (FY25 10-K).
Fire Safety FY25: $488.9m sales · $290.5m segment adj. EBITDA (FY25 10-K).
59.4% segment adj. EBITDA margin (FY25 10-K)
Stores, mixes & loads onto tankers
3. Air tanker bases
North American base network; Perimeter supplies turnkey operation, equipment and crew training (FY25 10-K).
“If you control the air bases, you control the retardant” — Former Global Director, Perimeter Solutions.
PRM-operated (turnkey) — economics sit inside Fire Safety
Drops retardant on the fire
4. Bridger Aerospace & private tanker fleets
Privately owned fleets — Bridger Aerospace (CL-415EAF Super Scoopers), plus Coulson, Neptune and 10 Tanker — fly under federal and state exclusive-use and CWN contracts (GAO / Bloomberg Law).
They sell flight hours and availability, not chemical: retardant is consumed on the fire while Perimeter still runs the base beneath them (FY25 10-K).
~30–40% gross margin on tanker contracts (est., private operators)
Funds & directs suppression
5. Government buyer
USDA Forest Service ~43% of Perimeter revenue, plus California and other states (FY25 10-K).
2026–30 national LTFR contract: $1.116bn ceiling, sole-source (Contract 1202SC26T2500 §C-11).
Sole-source, price-taker — “the only game in town” (In Practise).
Regulatory spine The USDA Forest Service Qualified Products List gates every sale: a qualification no rival has completed (GAO B-423952) — a laboratory battery of corrosion, mammalian toxicity and irritation, and combustion-retarding effectiveness tests — and a newly qualified product must still pass a full Operational Field Evaluation before it can be used at scale (GAO B-423321).
“If you make it onto the QPL, you get used. If you are off it, you do not get used” — Former Global Director, Perimeter Solutions.
QPL
This piece of research follows one gallon of mixed long-term retardant, from manufacturing to loaded and dropped at a federal air-tanker base. Perimeter makes the retardant, controls the bases where it is mixed and loaded, and sells it to the government; air tanker partner operators fly and drop retardant ahead of the wildfire.
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