Many retired Trackers were sold to private owners for fire-fighting duties.
Some were rebuilt and re-engined with turboprop engines.

 Canada
Conair Group Inc. received TS-2A/Conair Firecat (G-89).

Saskatchewan Environment received TS-2A/Conair Firecat (G-89).

Ontario Ministry of Natural Resources 7 CS2F-1; ex-Canadian Forces and later sold to Conair
 France
Sécurité Civile received U.S.-2A/Conair Turbo Firecat (G-89).

 Netherlands
KLM used ex-Dutch Navy Tracker to train its mechanics.

 United States
California Department of Forestry & Fire Protection received S-2F3AT Turbo Tracker (G-121)
Hemet Valley Flying Service received TS-2A(FF) Tracker (G-89)
Marsh Aviation received S-2A(FF) Tracker (G-89)
Sis-Q Flying Service received TS-2A Tracker (G-89/S2F-1T)
Aero Union, in addition to being an operator, Aero Union developed the prototype S-2 tankers for the State of California in 1973.
Many retired Trackers were sold to private owners for fire-fighting duties. Some were rebuilt and re-engined with turboprop engines.
 Canada
Conair Group Inc. received TS-2A/Conair Firecat (G-89).
Saskatchewan Environment received TS-2A/Conair Firecat (G-89).
Ontario Ministry of Natural Resources 7 CS2F-1; ex-Canadian Forces and later sold to Conair
 France
Sécurité Civile received U.S.-2A/Conair Turbo Firecat (G-89).
 Netherlands
KLM used ex-Dutch Navy Tracker to train its mechanics.
 United States
California Department of Forestry & Fire Protection received S-2F3AT Turbo Tracker (G-121)
Hemet Valley Flying Service received TS-2A(FF) Tracker (G-89)
Marsh Aviation received S-2A(FF) Tracker (G-89)
Sis-Q Flying Service received TS-2A Tracker (G-89/S2F-1T)
Aero Union, in addition to being an operator, Aero Union developed the prototype S-2 tankers for the State of California in 1973.
Grumman S-2 Tracker