"21 Fire" or "RTFC", located in Hunterdon County NJ, was founded in 1958 and is 100% volunteer. It currently operates out of three firehouses (Stations 1, 2, and 3) and is responsible for the 38 square miles surrounding the borough of Flemington, including the life and property of over 25,000 residents. On average, the fire company responds to 650 yearly calls and participates in many community events.

It is a highly trained fire company, approximately 60 members strong, which provides mutual aid and responds to emergencies with multiple organizations throughout the county, including the fire departments of Flemington, Three Bridges, Readington, Annandale, Sergeantsville, Amwell Valley, West Amwell, and Quakertown and the rescue squads of Flemington-Raritan and Amwell Valley. It also operates one of three county-wide FAST/RITs and participates in the Hunterdon County Technical Rescue Task Force.