| Fire department | City | County | Career firefighters | Website |
|---|---|---|---|---|
| Lexington Fire Department | Lexington | Fayette | 590 | Official site |
| Louisville Division of Fire | Louisville | Jefferson | 480 | Official site |
| Anchorage Middletown Fire and EMS | Louisville | Jefferson | 229 | Official site |
| Bowling Green Fire Department | Bowling Green | Warren | 123 | Official site |
| Covington Fire Department | Covington | Kenton | 122 | Official site |
| Owensboro Fire Department | Owensboro | Daviess | 99 | Official site |
| Pleasure Ridge Park Fire Protection District | Louisville | Jefferson | 95 | Official site |
| Okolona Fire Department | Louisville | Jefferson | 88 | Official site |
| Frankfort Fire & EMS | Frankfort | Franklin | 85 | — |
| Fort Campbell Fire Department | Fort Campbell | Christian | 84 | — |
| Florence Fire/EMS | Florence | Boone | 71 | Official site |
| Hopkinsville Fire Department | Hopkinsville | Christian | 70 | Official site |
| Madisonville Fire Department | Madisonville | Hopkins | 69 | Official site |
| Paducah Fire Department | Paducah | McCracken | 65 | Official site |
| Richmond Fire Department | Richmond | Madison | 65 | — |
| Henderson Fire Department | Henderson | Henderson | 60 | Official site |
| Elizabethtown Fire Department | Elizabethtown | Hardin | 59 | Official site |
| Cincinnati/ Northern KY International Airport Fire Department | Hebron | Boone | 58 | — |
| Georgetown Fire & Rescue | Georgetown | Scott | 55 | — |
| Fort Knox Fire Department | Fort Knox | Hardin | 53 | — |
| Franklin County Fire Department | Frankfort | Franklin | 53 | — |
| Ashland Fire Department | Ashland | Boyd | 51 | Official site |
| Montgomery County Fire Protection District #1 | Mount Sterling | Montgomery | 51 | Official site |
| Scott County Fire Rescue | Georgetown | Scott | 51 | — |
| Nicholasville Fire Department | Nicholasville | Jessamine | 48 | — |
| Worthington Fire Protection District | Prospect | Jefferson | 48 | Official site |
| Middletown Fire Protection District | Louisville | Jefferson | 47 | Official site |
| Jeffersontown Fire Protection District | Jeffersontown | Jefferson | 46 | Official site |
| Winchester Fire Department | Winchester | Clark | 46 | Official site |
| City of Mayfield Fire Department | Mayfield | Graves | 42 | Official site |
| Burgin Fire Department | Burgin | Mercer | 40 | — |
| Hebron Fire Protection District | Hebron | Boone | 40 | Official site |
| Glasgow Fire Department | Glasgow | Barren | 39 | — |
| Harrods Creek Fire Protection District | Prospect | Jefferson | 39 | Official site |
| Independence Fire District | Independence | Kenton | 39 | Official site |
| Walton Fire Protection District | Walton | Boone | 39 | Official site |
| Murray Fire Department | Murray | Calloway | 38 | Official site |
| Newport Fire/EMS | Newport | Campbell | 38 | Official site |
| Louisville Regional Airport Authority | Louisville | Jefferson | 37 | Official site |
| Paris Fire Department | Paris | Bourbon | 32 | — |
| Union Fire Protection District | Union | Boone | 32 | Official site |
| Blue Grass Army Depot | Richmond | Madison | 31 | — |
| Pikeville Fire & Ambulance Service | Pikeville | Pike | 31 | Official site |
| Lyndon Fire Department | Louisville | Jefferson | 30 | Official site |
| St Matthews Fire Protection District | Louisville | Jefferson | 30 | — |
| Daviess County Fire Department | Owensboro | Daviess | 29 | Official site |
| Erlanger Fire and EMS Department | Erlanger | Kenton | 28 | Official site |
| Shepherdsville Fire Department | Shepherdsville | Bullitt | 28 | Official site |
| City of Radcliff Fire Department | Radcliff | Hardin | 26 | Official site |
| Fern Creek Fire Protection District | Louisville | Jefferson | 26 | Official site |
| Madison County Fire Department | Richmond | Madison | 26 | Official site |
| Maysville Fire & EMS | Maysville | Mason | 26 | — |
| City of Fort Wright Fire/EMS | Fort Wright | Kenton | 25 | Official site |
| Danville Fire Department | Danville | Boyle | 25 | — |
| Middlesboro Fire Department | Middlesboro | Bell | 25 | — |
| Burlington Fire Protection District | Burlington | Boone | 24 | Official site |
| Somerset Fire Department | Somerset | Pulaski | 24 | — |
| Central Campbell County Fire District | Cold Spring | Campbell | 23 | Official site |
| Wingo Fire Department | Wingo | Graves | 23 | — |
| Eastwood Fire Department | Louisville | Jefferson | 22 | Official site |
| Paintsville Fire-Rescue-EMS | Paintsville | Johnson | 22 | — |
| Shelbyville Fire Department | Shelbyville | Shelby | 21 | Official site |
| Shively Fire Department | Shively | Jefferson | 20 | — |
| Warfield Fire and Rescue | Warfield | Martin | 20 | — |
| Berea Fire Department | Berea | Madison | 19 | — |
| Camp Dix Volunteer Fire Department | Vanceburg | Lewis | 19 | — |
| Corbin Fire Department | Corbin | Whitley | 19 | Official site |
| Elliottville Fire Department | Elliottville | Rowan | 19 | — |
| Fort Thomas Fire Department | Fort Thomas | Campbell | 19 | Official site |
| Alexandria Fire District | Alexandria | Campbell | 18 | Official site |
| Cynthiana Fire Department | Cynthiana | Harrison | 18 | — |
| Hazard Fire Department | Hazard | Perry | 18 | Official site |
| Mt Washington Fire Protection District | Mt Washington | Bullitt | 18 | Official site |
| Cherryville Fire &Rescue Dept | Louisa | Lawrence | 17 | — |
| Fort Mitchell Fire Department | Fort Mitchell | Kenton | 17 | Official site |
| Harrodsburg Fire Department | Harrodsburg | Mercer | 17 | — |
| Temple Hill Volunteer Fire and Rescue | Glasgow | Barren | 17 | — |
| Fire Department of Bellevue-Dayton | Dayton | Campbell | 16 | Official site |
| Fairdale Fire Protection District | Fairdale | Jefferson | 15 | — |
| Zoneton Fire Protection District | Shepherdsville | Bullitt | 15 | Official site |
| Buechel Fire Protection District | Louisville | Jefferson | 14 | Official site |
| Elsmere Fire District | Elsmere | Kenton | 14 | Official site |
| South Oldham Fire Department | Crestwood | Oldham | 14 | Official site |
| Versailles Fire Department | Versailles | Woodford | 14 | Official site |
| Northern Pendleton County Fire District | Butler | Pendleton | 13 | — |
| Southeast Bullitt Fire Department | Shepherdsville | Bullitt | 13 | — |
| Dry Ridge Fire Department | Dry Ridge | Grant | 12 | — |
| Point Pleasant Fire Protection District | Erlanger | Boone | 12 | Official site |
| City of London Fire Department | London | Laurel | 11 | — |
| Prestonsburg Fire Department | Prestonsburg | Floyd | 11 | — |
| Russellville City Fire Department | Russellville | Logan | 11 | — |
| Black Mudd Fire Protection District | Louisville | Jefferson | 10 | — |
| Bourbon County Fire Department | Paris | Bourbon | 10 | — |
| Campbellsville Fire Rescue | Campbellsville | Taylor | 10 | Official site |
| City of Bardstown Fire Department | Bardstown | Nelson | 10 | Official site |
| McMahan Fire Protection District | Louisville | Jefferson | 10 | Official site |
| Piner-Fiskburg Fire District | Morning View | Kenton | 10 | Official site |
| Edgewood Fire EMS | Edgewood | Kenton | 9 | Official site |
| Providence Fire Department-EMS | Providence | Webster | 9 | — |
| Taylor Mill Fire/EMS Department | Taylor Mill | Kenton | 9 | Official site |
| Southern Campbell Fire District | Alexandria | Campbell | 8 | Official site |
| Wilder Fire Department | Wilder | Campbell | 8 | Official site |
| Central City Fire Department | Central City | Muhlenberg | 7 | Official site |
| Greenville Fire Department | Greenville | Muhlenberg | 7 | Official site |
| Pineville Volunteer Fire Department | Pineville | Bell | 6 | — |
| Williamsburg Fire/ Rescue Department | Williamsburg | Whitley | 6 | Official site |
| Wolfe County Fire Department & Ambulance Service | Campton | Wolfe | 6 | — |
| Franklin-Simpson Fire Rescue | Franklin | Simpson | 5 | Official site |
| Lake Dreamland Fire Protection District | Louisville | Jefferson | 5 | Official site |
| Paducah Airport Corp | Paducah | McCracken | 5 | — |
| South Dixie Fire Protection District | Louisville | Jefferson | 5 | — |
| Catlettsburg Fire Department | Catlettsburg | Boyd | 4 | — |
| Edgewood Fire District | Louisville | Jefferson | 4 | — |
| Irvine Volunteer Fire Department | Irvine | Estill | 4 | — |
| Salyersville Fire Department | Salyersville | Magoffin | 4 | — |
| Belleview-McVille Fire Protection District | Burlington | Boone | 3 | — |
| Boyle County Fire Protection District | Danville | Boyle | 3 | Official site |
| Estill County Fire Department | Irvine | Estill | 3 | — |
| Franklin Fire Department | Franklin | Simpson | 3 | — |
| Jackson Fire Department | Jackson | Breathitt | 3 | — |
| Neon Volunteer Fire Department | Neon | Letcher | 3 | — |
| North Oldham Fire Protection District | Goshen | Oldham | 3 | Official site |
| Spencer County Fire Protection District | Taylorsville | Spencer | 3 | Official site |
| Sturgis Fire Department | Sturgis | Union | 3 | — |
| Waco Volunteer Fire Department | Waco | Madison | 3 | — |
| Westwood Fire Department | Ashland | Boyd | 3 | Official site |
| Woodford County Fire Protection District | Versailles | Woodford | 3 | — |
| Anneta Volunteer Fire & Rescue Department #792 | Leitchfield | Grayson | 2 | — |
| Cannonsburg Fire Department | Ashland | Boyd | 2 | — |
| Cobb Hill Volunteer Fire Department | Irvine | Estill | 2 | — |
| Grand Lakes Fire Department | Grand Rivers | Livingston | 2 | Official site |
| Harlan Fire Department | Harlan | Harlan | 2 | — |
| Harrison County Fire Department | Cynthiana | Harrison | 2 | — |
| Nichols Fire District | Shepherdsville | Bullitt | 2 | — |
| Princeton Fire Department | Princeton | Caldwell | 2 | — |
| Simpsonville Rural Fire Protection District | Simpsonville | Shelby | 2 | Official site |
| Webster Fire Department | Webster | Breckinridge | 2 | — |
| Alvaton Volunteer Fire Department | Alvaton | Warren | 1 | Official site |
| Anderson County Fire Protection District | Lawrenceburg | Anderson | 1 | Official site |
| Ballardsville Fire Department | Crestwood | Oldham | 1 | Official site |
| Barbourville Fire Department | Barbourville | Knox | 1 | — |
| Burkesville Fire Department | Burkesville | Cumberland | 1 | — |
| Camp Dick Fire & Rescue District #2 | Lancaster | Garrard | 1 | — |
| Carrollton Fire Department | Carrollton | Carroll | 1 | — |
| Dixie Suburban Fire Department | Shively | Jefferson | 1 | — |
| Fulton Fire Department | Fulton | Fulton | 1 | — |
| Gallatin County Volunteer Fire Department, Inc. | Warsaw | Gallatin | 1 | — |
| Gracey Fire Department | Gracey | Christian | 1 | — |
| Jessamine County Fire Department | Nicholasville | Jessamine | 1 | Official site |
| Kenton Fire Department | Morning View | Kenton | 1 | — |
| Lancaster Fire & Rescue | Lancaster | Garrard | 1 | — |
| Leitchfield Fire and Rescue | Leitchfield | Grayson | 1 | — |
| Monticello Fire Department | Monticello | Wayne | 1 | — |
| Morehead Fire Department | Morehead | Rowan | 1 | Official site |
| Muses Mills Fire Department Inc. | Wallingford | Fleming | 1 | — |
| Northeast Nelson Fire Department | Bloomfield | Nelson | 1 | — |
| Olive Hill Fire Department | Olive Hill | Carter | 1 | — |
| Pleasant View Volunteer Fire Department | Williamsburg | Whitley | 1 | — |
| Ravenna Fire Department | Ravenna | Estill | 1 | — |
| Reidland Farley Fire Department | Paducah | McCracken | 1 | — |
| Shelby County Fire Department | Shelbyville | Shelby | 1 | Official site |
| Stanford Fire Department | Stanford | Lincoln | 1 | — |
| Verona Fire Protection District | Verona | Boone | 1 | — |
| Vine Grove Fire Department | Vine Grove | Hardin | 1 | — |
| Williamstown Volunteer Fire Department | Williamstown | Grant | 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.