The Professional Fire Fighters of Oklahoma was chartered on August 7, 1973.
Chartered Locals of the PFFO were:
Altus Local 2049
Bethany Local 2085
Claremore Local 1077
Del City Local 2171
Guthrie Local 2145
Miami Local 1969
Midwest City Local 2066
Nichols Hills Local 2115
Norman Local 2067
Oklahoma City Local 1524 (157)
Sand Springs Local 2173
Sapulpa Local 1843
Shawnee Local 1628 (206)
Tulsa Local 176
Yukon Local 2055
The PFFO now serves 75 Locals statewide.