| Fire department | City | County | Career firefighters | Website |
|---|---|---|---|---|
| Memphis Division of Fire Services | Memphis | Shelby | 1,687 | Official site |
| Nashville Fire Department | Nashville | Davidson | 809 | Official site |
| Chattanooga Fire Department | Chattanooga | Hamilton | 404 | Official site |
| City of Knoxville Fire Department | Knoxville | Knox | 327 | Official site |
| Clarksville Fire Rescue | Clarksville | Montgomery | 235 | Official site |
| City of Murfreesboro Fire Rescue Department (MFRD) | Murfreesboro | Rutherford | 233 | Official site |
| Shelby County Fire Department | Memphis | Shelby | 204 | Official site |
| Jackson Fire Department | Jackson | Madison | 185 | Official site |
| Franklin Fire Department | Franklin | Williamson | 169 | Official site |
| Wilson County Emergency Management Agency | Lebanon | Wilson | 130 | Official site |
| Johnson City Fire Department | Johnson City | Washington | 125 | Official site |
| Hendersonville Fire Department | Hendersonville | Sumner | 120 | Official site |
| Cleveland Fire Department | Cleveland | Bradley | 106 | Official site |
| Bartlett Fire Department | Bartlett | Shelby | 105 | — |
| Kingsport Fire Department | Kingsport | Sullivan | 99 | — |
| Gallatin Fire Department | Gallatin | Sumner | 97 | Official site |
| Smyrna Fire Department | Smyrna | Rutherford | 94 | Official site |
| Columbia Fire & Rescue | Columbia | Maury | 92 | Official site |
| City of Morristown Fire Department | Morristown | Hamblen | 84 | — |
| City of Oak Ridge Fire Department | Oak Ridge | Anderson | 70 | Official site |
| Bradley County Fire - Rescue | Cleveland | Bradley | 68 | Official site |
| Metro Nashville Airport Authority - Public Safety | Nashville | Davidson | 68 | Official site |
| Brentwood Fire & Rescue Department | Brentwood | Williamson | 67 | Official site |
| Bristol TN Fire Department | Bristol | Sullivan | 67 | Official site |
| Collierville Fire & Rescue | Collierville | Shelby | 67 | Official site |
| Germantown Fire Department | Germantown | Shelby | 67 | Official site |
| Cookeville Fire Department | Cookeville | Putnam | 57 | Official site |
| Spring Hill Fire Department | Spring Hill | Maury | 57 | Official site |
| Sevierville Fire Department | Sevierville | Sevier | 54 | — |
| Dyersburg Fire Department | Dyersburg | Dyer | 51 | — |
| Pigeon Forge Fire Department | Pigeon Forge | Sevier | 49 | — |
| Rutherford County Fire-Rescue Department Station 51 | Murfreesboro | Rutherford | 49 | Official site |
| Lebanon Fire Department | Lebanon | Wilson | 47 | — |
| Greeneville Fire Department | Greeneville | Greene | 43 | Official site |
| Oak Ridge National Laboratory Fire Department | Oak Ridge | Roane | 43 | — |
| Dickson Fire Department | Dickson | Dickson | 42 | Official site |
| City of Martin Fire-Rescue-EMS | Martin | Weakley | 41 | Official site |
| City of Loudon Fire Department | Loudon | Loudon | 40 | Official site |
| Maryville Fire Department | Maryville | Blount | 39 | Official site |
| City of Alcoa Fire Department | Alcoa | Blount | 37 | — |
| Gatlinburg Fire Department | Gatlinburg | Sevier | 37 | Official site |
| Shelbyville Fire Department | Shelbyville | Bedford | 37 | Official site |
| 134th CES/CEF Tennessee Air National Guard | Louisville | Blount | 35 | — |
| Elizabethton Fire Department | Elizabethton | Carter | 33 | — |
| City of Tullahoma Fire Department | Tullahoma | Coffee | 32 | — |
| McMinnville Fire Department | Mcminnville | Warren | 32 | — |
| Lawrenceburg Fire Department | Lawrenceburg | Lawrence | 31 | — |
| Manchester Fire - Rescue | Manchester | Coffee | 31 | Official site |
| Springfield Fire Department | Springfield | Robertson | 30 | Official site |
| Union City Fire Department | Union City | Obion | 30 | Official site |
| Signal Mountain Fire Department | Signal Mountain | Hamilton | 29 | — |
| Brownsville/ Haywood County Fire Department | Brownsville | Haywood | 26 | — |
| Clinton Fire Department | Clinton | Anderson | 26 | — |
| Crossville Fire Department | Crossville | Cumberland | 26 | — |
| Newport Fire Department | Newport | Cocke | 26 | — |
| Portland Fire Department | Portland | Sumner | 26 | Official site |
| Covington Fire Department | Covington | Tipton | 25 | Official site |
| Humboldt Fire Department | Humboldt | Gibson | 25 | — |
| Millington Fire Department | Millington | Shelby | 25 | Official site |
| Paris Fire Department | Paris | Henry | 24 | — |
| City of Athens Fire Department | Athens | McMinn | 22 | Official site |
| Lewisburg Fire Department | Lewisburg | Marshall | 22 | — |
| Milan Fire Department | Milan | Gibson | 22 | Official site |
| Blount County Fire Protection District | Maryville | Blount | 21 | Official site |
| City of White House Fire Department | White House | Robertson | 21 | Official site |
| Fayetteville Fire Department | Fayetteville | Lincoln | 19 | — |
| Fairview Fire Department | Fairview | Williamson | 18 | Official site |
| Goodlettsville Fire Department | Goodlettsville | Davidson | 18 | Official site |
| Lenoir City Fire Department | Lenoir City | Loudon | 18 | Official site |
| Ripley Fire Department | Ripley | Lauderdale | 18 | — |
| Arlington Fire Department | Arlington | Shelby | 17 | Official site |
| Bedford County Fire Department | Shelbyville | Bedford | 17 | Official site |
| Lookout Mountain Fire Department | Lookout Mountain | Hamilton | 17 | — |
| Cocke County Fire Department | Newport | Cocke | 16 | — |
| Harriman Fire Department | Harriman | Roane | 16 | Official site |
| Bledsoe County Volunteer Fire Department District #5 | Pikeville | Bledsoe | 15 | — |
| Red Bank Fire Department | Red Bank | Hamilton | 15 | Official site |
| Mt. Pleasant Fire Department | Mount Pleasant | Maury | 14 | — |
| Tri-Cities Airport Authority Fire Fighting Division | Blountville | Sullivan | 14 | — |
| Lexington Fire Department | Lexington | Henderson | 13 | — |
| Rockwood Fire Department | Rockwood | Roane | 13 | — |
| Trenton Fire Department | Trenton | Gibson | 13 | — |
| Winchester Fire Department | Winchester | Franklin | 13 | — |
| City of Sweetwater Fire Department | Sweetwater | Monroe | 12 | — |
| Lafayette Fire Department | Lafayette | Macon | 12 | — |
| Northview Volunteer Fire Department | Kodak | Sevier | 12 | — |
| Waverly Department of Public Safety | Waverly | Humphreys | 12 | Official site |
| Bolivar Fire Department | Bolivar | Hardeman | 11 | Official site |
| Millington Airport Fire Department | Millington | Shelby | 11 | Official site |
| Atoka Fire Department | Munford | Tipton | 10 | Official site |
| Cumberland County Fire Department | Crossville | Cumberland | 10 | — |
| Jacksboro Fire Department | Jacksboro | Campbell | 10 | — |
| Jonesborough Fire Department | Jonesborough | Washington | 10 | Official site |
| Munford Fire Department | Munford | Tipton | 10 | Official site |
| Munford Rural Fire Department | Munford | Tipton | 10 | Official site |
| Ashland City Fire Department | Ashland City | Cheatham | 9 | Official site |
| Dayton Fire Department | Dayton | Rhea | 9 | Official site |
| Erwin Fire Department | Erwin | Unicoi | 8 | — |
| Jefferson City Fire Department | Jefferson City | Jefferson | 7 | Official site |
| Norris Department of Public Safety | Norris | Anderson | 7 | — |
| Savannah Fire Department | Savannah | Hardin | 7 | — |
| City of Etowah Fire Department | Etowah | McMinn | 6 | — |
| City of Henderson Fire Department | Henderson | Chester | 6 | — |
| City of Kingston Fire Department | Kingston | Roane | 6 | — |
| Decherd Fire Department | Decherd | Franklin | 6 | Official site |
| Huntingdon Fire Department | Huntingdon | Carroll | 6 | — |
| Livingston Fire Department | Livingston | Overton | 6 | — |
| Maury County Volunteer Fire Department | Columbia | Maury | 6 | Official site |
| Sparta Fire Department | Sparta | White | 6 | — |
| City of Soddy-Daisy Fire Department | Soddy-Daisy | Hamilton | 5 | — |
| Hardin County Fire Department | Savannah | Hardin | 5 | Official site |
| Madisonville Fire Department | Madisonville | Monroe | 5 | Official site |
| McKenzie Fire Department | Mckenzie | Carroll | 5 | — |
| Pulaski Fire Department | Pulaski | Giles | 5 | Official site |
| Selmer Fire Department | Selmer | McNairy | 5 | — |
| Smyrna Airport Fire Department | Smyrna | Rutherford | 5 | Official site |
| Vonore Fire Department | Vonore | Monroe | 5 | — |
| Brighton Fire Department | Brighton | Tipton | 4 | Official site |
| Piperton Fire Department | Piperton | Fayette | 4 | Official site |
| Pleasant View Volunteer Fire Department | Pleasant View | Cheatham | 4 | Official site |
| Roane County Office of Emergency Services | Kingston | Roane | 4 | — |
| Rogersville Fire Department | Rogersville | Hawkins | 4 | — |
| Somerville Fire Department | Somerville | Fayette | 4 | Official site |
| South Pittsburg Fire/Rescue | South Pittsburg | Marion | 4 | Official site |
| Town of Burns Fire Department | Burns | Dickson | 4 | — |
| Fayette County Fire Service | Somerville | Fayette | 3 | Official site |
| Jellico Fire Department | Jellico | Campbell | 3 | — |
| Rocky Top Fire Department | Rocky Top | Anderson | 3 | — |
| Carroll County Rural Volunteer Fire Department | Huntingdon | Carroll | 2 | — |
| Cheatham County Emergency Management Agency | Ashland City | Cheatham | 2 | — |
| Chester County Fire Department | Henderson | Chester | 2 | — |
| Hohenwald Fire Department | Hohenwald | Lewis | 2 | — |
| Karns Volunteer Fire Department | Knoxville | Knox | 2 | Official site |
| South Fulton Fire Department | South Fulton | Obion | 2 | — |
| Tiptonville Fire Department | Tiptonville | Lake | 2 | — |
| Williamson County Fire & Rescue | Franklin | Williamson | 2 | Official site |
| Baxter Fire Department | Baxter | Putnam | 1 | Official site |
| Camden Fire Department | Camden | Benton | 1 | — |
| Caryville Volunteer Fire Department | Caryville | Campbell | 1 | — |
| Church Hill Fire Department | Church Hill | Hawkins | 1 | — |
| Dallas Bay Volunteer Fire Department & Rescue | Hixson | Hamilton | 1 | Official site |
| Dyer County Fire Department | Dyersburg | Dyer | 1 | — |
| Eagleville Fire Department | Eagleville | Rutherford | 1 | — |
| Erin Fire Department | Erin | Houston | 1 | — |
| Gallaway Fire Department | Gallaway | Fayette | 1 | — |
| Gibson County Fire Department | Trenton | Gibson | 1 | — |
| Greenbrier Fire Department | Greenbrier | Robertson | 1 | — |
| Greenfield Fire Department | Greenfield | Weakley | 1 | — |
| Henderson County Fire Department | Lexington | Henderson | 1 | — |
| Madison County Fire Department | Jackson | Madison | 1 | — |
| Mason Fire Department | Mason | Tipton | 1 | — |
| Millersville Fire Department | Millersville | Sumner | 1 | — |
| Montgomery County Volunteer Fire Service | Clarksville | Montgomery | 1 | Official site |
| Orlinda Fire Department | Orlinda | Robertson | 1 | — |
| Parsons Fire Department | Parsons | Decatur | 1 | Official site |
| Pegram Volunteer Fire Department | Pegram | Cheatham | 1 | Official site |
| Ridgely Fire Department | Ridgely | Lake | 1 | — |
| Ridgetop Fire Department | Ridgetop | Robertson | 1 | — |
| Seymour Volunteer Fire Department | Seymour | Sevier | 1 | Official site |
| Smithville Fire Department | Smithville | DeKalb | 1 | Official site |
| Tazewell/New Tazewell Fire Department | Tazewell | Claiborne | 1 | — |
| Tri-Community Volunteer Fire Department | Collegedale | Hamilton | 1 | Official site |
| Watertown Volunteer Fire Department | Watertown | Wilson | 1 | — |
| White Bluff Fire Department | White Bluff | Dickson | 1 | — |
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.