| Fire department | City | County | Career firefighters | Website |
|---|---|---|---|---|
| Oklahoma City Fire Department | Oklahoma City | Oklahoma | 1,023 | Official site |
| Tulsa Fire Department | Tulsa | Tulsa | 692 | Official site |
| Broken Arrow Fire Department | Broken Arrow | Tulsa | 175 | Official site |
| Norman Fire Department | Norman | Cleveland | 160 | Official site |
| Edmond Fire Department | Edmond | Oklahoma | 138 | Official site |
| Lawton Fire Department | Lawton | Comanche | 124 | — |
| Tinker AFB Fire Department | Tinker Afb | Oklahoma | 96 | — |
| Muskogee Fire Department | Muskogee | Muskogee | 94 | Official site |
| Oklahoma Dept Of Agriculture - Forestry Services | Oklahoma City | Oklahoma | 87 | Official site |
| Midwest City Fire Department | Midwest City | Oklahoma | 86 | Official site |
| Enid Fire Department | Enid | Garfield | 81 | Official site |
| Moore Fire Department | Moore | Cleveland | 71 | Official site |
| Stillwater Fire Department | Stillwater | Payne | 71 | — |
| Bartlesville Fire Department | Bartlesville | Washington | 69 | Official site |
| Ponca City Fire Department | Ponca City | Kay | 68 | — |
| Sapulpa Fire Department | Sapulpa | Creek | 50 | — |
| Duncan Fire Department | Duncan | Stephens | 48 | Official site |
| Owasso Fire Department | Owasso | Tulsa | 48 | Official site |
| Shawnee Fire Department | Shawnee | Pottawatomie | 48 | — |
| Claremore Fire Department | Claremore | Rogers | 46 | — |
| McAlester Fire Department | Mcalester | Pittsburg | 42 | — |
| Yukon Fire Department | Yukon | Canadian | 42 | Official site |
| Chickasha Fire Department | Chickasha | Grady | 38 | — |
| Altus Fire-Rescue | Altus | Jackson | 35 | Official site |
| Sand Springs Fire Department | Sand Springs | Tulsa | 35 | Official site |
| Durant Fire Department | Durant | Bryan | 33 | Official site |
| Ada Fire Department | Ada | Pontotoc | 32 | Official site |
| Glenpool Fire Department | Glenpool | Tulsa | 31 | Official site |
| Ardmore Fire Department | Ardmore | Carter | 30 | — |
| Guthrie Fire/EMS | Guthrie | Logan | 30 | Official site |
| Jenks Fire Department | Jenks | Tulsa | 30 | Official site |
| Del City Fire Department | Del City | Oklahoma | 29 | — |
| El Reno Fire Department | El Reno | Canadian | 27 | Official site |
| Miami Fire Department | Miami | Ottawa | 26 | — |
| Mustang Fire Department | Mustang | Canadian | 24 | Official site |
| Bixby Fire Department 1 | Bixby | Tulsa | 23 | Official site |
| City of Bethany Fire Department | Bethany | Oklahoma | 23 | Official site |
| Cushing Fire Department | Cushing | Payne | 23 | — |
| Anadarko Fire/EMS | Anadarko | Caddo | 22 | — |
| Newcastle Fire Department | Newcastle | McClain | 22 | Official site |
| Okmulgee Fire Department | Okmulgee | Okmulgee | 22 | — |
| Coweta Fire Department | Coweta | Wagoner | 21 | Official site |
| Elk City Fire Department | Elk City | Beckham | 21 | Official site |
| The Village Fire Department | The Village | Oklahoma | 21 | Official site |
| Woodward Fire Department | Woodward | Woodward | 21 | Official site |
| Poteau Fire Department | Poteau | Le Flore | 20 | — |
| Seminole Fire Department | Seminole | Seminole | 20 | Official site |
| Warr Acres Fire Department | Warr Acres | Oklahoma | 20 | Official site |
| Kingfisher Fire Department | Kingfisher | Kingfisher | 19 | — |
| Northwest Rogers County Fire Protection District | Oologah | Rogers | 19 | — |
| Blackwell Fire EMS | Blackwell | Kay | 18 | Official site |
| Eastern State Hospital | Vinita | Craig | 17 | — |
| Collinsville Fire Department | Collinsville | Tulsa | 16 | — |
| Guymon Fire Department | Guymon | Texas | 16 | Official site |
| Nichols Hills Fire Department | Nichols Hills | Oklahoma | 15 | Official site |
| Clinton Fire Department | Clinton | Custer | 14 | Official site |
| Harmony Fire Department | Atoka | Atoka | 14 | — |
| Hugo Fire Department | Hugo | Choctaw | 14 | — |
| Skiatook Fire Department | Skiatook | Tulsa | 14 | — |
| Weatherford Fire Department | Weatherford | Custer | 14 | — |
| Berryhill Fire Protection District | Tulsa | Tulsa | 13 | Official site |
| Noble Fire Department | Noble | Cleveland | 13 | Official site |
| Perry Fire Department | Perry | Noble | 12 | — |
| Tuttle Fire and EMS | Tuttle | Grady | 12 | Official site |
| Alva Fire Department | Alva | Woods | 11 | Official site |
| Broken Bow Fire Department | Broken Bow | McCurtain | 11 | Official site |
| Chandler Fire Department | Chandler | Lincoln | 11 | — |
| Grove Fire Department | Grove | Delaware | 11 | — |
| Idabel Fire Department | Idabel | McCurtain | 11 | Official site |
| Limestone Fire Protection District | Claremore | Rogers | 11 | Official site |
| Pauls Valley Fire Department | Pauls Valley | Garvin | 11 | — |
| Pryor Fire Department | Pryor | Mayes | 11 | — |
| Purcell Fire Department | Purcell | McClain | 11 | Official site |
| Tahlequah Fire Department | Tahlequah | Cherokee | 11 | — |
| Antlers Fire/EMS | Antlers | Pushmataha | 10 | Official site |
| Catoosa Fire Department | Catoosa | Rogers | 10 | Official site |
| Henryetta Fire Department | Henryetta | Okmulgee | 10 | — |
| Holdenville Fire Department | Holdenville | Hughes | 10 | — |
| Lindsay Fire Department | Lindsay | Garvin | 10 | — |
| Piedmont Fire Department | Piedmont | Canadian | 10 | Official site |
| Vinita Fire Department | Vinita | Craig | 10 | Official site |
| Wewoka Fire-EMS | Wewoka | Seminole | 10 | Official site |
| Frederick Fire Department | Frederick | Tillman | 9 | — |
| Grady County Fire Department | Chickasha | Grady | 9 | — |
| Sulphur Fire Department | Sulphur | Murray | 9 | — |
| Bristow Fire Department | Bristow | Creek | 8 | — |
| Newkirk Fire Department/EMS | Newkirk | Kay | 8 | — |
| Pawhuska Fire Department | Pawhuska | Osage | 8 | — |
| Tonkawa Fire Department | Tonkawa | Kay | 8 | — |
| Wagoner Fire Department | Wagoner | Wagoner | 8 | — |
| Ardmore Air Park Fire Department | Ardmore | Carter | 7 | — |
| Coalgate Fire Department | Coalgate | Coal | 7 | — |
| Spencer Fire Department | Spencer | Oklahoma | 7 | — |
| Choctaw Fire Department | Choctaw | Oklahoma | 6 | — |
| Country Corner Fire District | Sperry | Osage | 6 | Official site |
| Drumright Fire Department | Drumright | Creek | 6 | — |
| Harrah Fire Department | Harrah | Oklahoma | 6 | — |
| Mangum Fire Department | Mangum | Greer | 6 | Official site |
| Cleveland Fire Department | Cleveland | Pawnee | 5 | Official site |
| Fort Gibson Fire | Fort Gibson | Muskogee | 5 | — |
| Hobart Fire Department | Hobart | Kiowa | 5 | — |
| Madill Fire Department | Madill | Marshall | 5 | — |
| Tecumseh Fire Department | Tecumseh | Pottawatomie | 5 | Official site |
| Collinsville Rural Fire Protection District | Collinsville | Tulsa | 4 | — |
| Comanche Fire Department | Comanche | Stephens | 4 | — |
| Deer Creek Fire Protection District | Edmond | Oklahoma | 4 | — |
| Foyil Fire Protection District | Foyil | Rogers | 4 | — |
| Hominy Fire Department | Hominy | Osage | 4 | — |
| Nowata Fire Department | Nowata | Nowata | 4 | — |
| Walters Fire Department | Walters | Cotton | 4 | — |
| Cordell Fire Department | Cordell | Washita | 3 | — |
| Marlow Fire Department | Marlow | Stephens | 3 | Official site |
| Mcloud Fire Department | Mcloud | Pottawatomie | 3 | — |
| Nicoma Park Fire Department | Nicoma Park | Oklahoma | 3 | Official site |
| Perkins Fire Department | Perkins | Payne | 3 | Official site |
| Tishomingo Fire Department | Tishomingo | Johnston | 3 | — |
| Verdigris Fire Protection District | Claremore | Rogers | 3 | — |
| Watonga Fire Department | Watonga | Blaine | 3 | — |
| Blanchard Fire Department | Blanchard | McClain | 2 | — |
| Chouteau Fire Department | Chouteau | Mayes | 2 | — |
| Davis Volunteer Fire Department | Davis | Murray | 2 | — |
| Iowa Tribal Volunteer Fire Department | Perkins | Lincoln | 2 | Official site |
| Monkey Island Fire Protection District | Monkey Island | Delaware | 2 | Official site |
| Pawnee Fire Department | Pawnee | Pawnee | 2 | — |
| Sallisaw Fire Department | Sallisaw | Sequoyah | 2 | — |
| Seneca-Cayuga Fire & EMS | Grove | Delaware | 2 | Official site |
| Southwestern Lincoln County Fire District | Wellston | Lincoln | 2 | — |
| Stilwell Fire Department | Stilwell | Adair | 2 | — |
| Dickson Fire Department | Ardmore | Carter | 1 | — |
| Elgin Fire Department | Elgin | Comanche | 1 | — |
| Fairview Fire Department | Fairview | Major | 1 | Official site |
| Locust Grove Fire Department | Locust Grove | Mayes | 1 | — |
| Luther Fire Department | Luther | Oklahoma | 1 | Official site |
| Oak Cliff Fire Protection District | Edmond | Oklahoma | 1 | — |
| Rush Springs Fire Department | Rush Springs | Grady | 1 | — |
| Valliant Volunteer Fire Department | Valliant | McCurtain | 1 | — |
| Waurika Volunteer Fire Department | Waurika | Jefferson | 1 | Official site |
Largest first by career firefighters, as each employer reports it to its federal registry.
Source: U.S. Fire Administration (FEMA), National Fire Department Registry. Data captured September 30, 2026.