| Municipal | Rural Metro | Subscription fire department | en.wikipedia.org/wiki/Rural/Metro | @RuralMetroCAZ |
| Municipal | Capitan Fire Department | Rural NM subscription fire department; properties without an active subscription are billed punitive out-of-pocket fees if services are deployed | villageofcapitan.org/fire-department | |
| Municipal | Wackenhut / G4S Fire & Rescue | Private fire suppression division historically competing with Rural Metro; acquired through G4S and now operated under Allied Universal | aus.com | @AlliedUniversal |
| Industrial | Securitas Critical Infrastructure Services | Operates dedicated private fire departments for aerospace facilities, petrochemical plants, and defense infrastructure across the US | scisecurity.com | @SecuritasUSA |
| Wildland | Wildfire Defense Systems | Largest private wildland firefighting firm in the US; deploys retardant and structural defense to insured properties during active wildfires under contracts with Chubb, AIG, and other insurers | wildfire-defense.com | @WDSfire |
| Industrial | Capstone Fire & Safety | Private firm providing on-demand industrial fire defense, wildland asset protection, and technical rescue for utilities, corporate campuses, and oil & gas facilities | capstonefire.com | |
| Wildland | Mt. Adams Wildfire | Family-owned private wildland suppression contractor operating since 1991; provides fire crews, engines, and prescribed burning within the NWSA contractor network | mtadamswildfire.com | |
| Municipal | Falck | World's largest private firefighting company; contracts with Danish municipalities covering ~60% of Denmark's population and operates at airports and industrial facilities across Europe and Latin America | falck.com | @Falck__ |
| Industrial | ZHZ / ZHU (Slovakia) | Slovak private corporate entities providing contract-based fire suppression and hazmat mitigation for industrial complexes under Slovakia's privatized fire service framework | | |
| Industrial | Securitas Fire Control & Rescue | European private fire division operating full-scale structural and industrial fire departments for sea ports, chemical parks, and manufacturing complexes in Germany, Belgium, and Sweden | securitas.com | |