135 HFD definitions

Hanford Fire Department 
Hartree-Fock Dispersion 
Honolulu Fire Department 
Hackensack Fire Department 
Hagerstown Fire Department 
Hahira Fire Department 
Hailey Fire Department 
Halifax Fire Department 
Hall Fire Department 
Hamburg Fire Department 
Hamden Fire Department 
Hamilton Fire Department 
Hammond Fire Department 
Hampton Fire Department 
Hamtramck Fire Department 
Hancock Fire Department 
Hannibal Fire Department 
Hanover Fire Department 
Hanson Fire Department 
Harlan Fire Department 
Harmony Fire Department 
Harrisburg Fire Department 
Harrison Fire Department 
Harrisville Fire Department 
Hartford Fire Department 
Hartsdale Fire District 
Harwich FIre Department 
Haslet Fire Department 
Hastings Fire Department 
Hauppauge Fire Department