| Fire department | City | County | Career firefighters | Website |
|---|---|---|---|---|
| Chicago Fire Department | Chicago | Cook | 4,881 | Official site |
| Rockford Fire Department | Rockford | Winnebago | 272 | Official site |
| Joliet Fire Department | Joliet | Will | 214 | Official site |
| Aurora Fire Department | Aurora | Kane | 213 | Official site |
| Springfield Fire Department | Springfield | Sangamon | 212 | Official site |
| Peoria Fire Department | Peoria | Peoria | 201 | Official site |
| Naperville Fire Department | Naperville | DuPage | 192 | Official site |
| Schaumburg Fire Department | Schaumburg | Cook | 138 | Official site |
| Elgin Fire Department | Elgin | Kane | 134 | Official site |
| Bloomington Fire Department | Bloomington | McLean | 119 | Official site |
| Orland Fire Protection District | Orland Park | Cook | 118 | Official site |
| Waukegan Fire Department | Waukegan | Lake | 115 | Official site |
| Arlington Heights Fire Department | Arlington Heights | Cook | 109 | Official site |
| Skokie Fire Department | Skokie | Cook | 109 | Official site |
| Evanston Fire Department | Evanston | Cook | 107 | Official site |
| Lockport Township Fire Protection District | Lockport | Will | 107 | Official site |
| City of Champaign Fire Department | Champaign | Champaign | 103 | Official site |
| Decatur Fire Department | Decatur | Macon | 103 | Official site |
| Des Plaines Fire Department | Des Plaines | Cook | 96 | Official site |
| Hoffman Estates Fire Department | Hoffman Estates | Cook | 94 | Official site |
| Lisle-Woodridge Fire District | Lisle | DuPage | 91 | Official site |
| Palatine Fire Department | Palatine | Cook | 91 | Official site |
| Bolingbrook Fire Department | Bolingbrook | Will | 88 | Official site |
| Elk Grove Village Fire Department | Elk Grove Village | Cook | 88 | Official site |
| Berwyn Fire Department | Berwyn | Cook | 80 | Official site |
| Glenview Fire Department | Glenview | Cook | 80 | Official site |
| Oswego Fire Protection District | Oswego | Kendall | 78 | Official site |
| Rosemont Fire Department | Rosemont | Cook | 78 | Official site |
| Cicero Fire Department | Cicero | Cook | 76 | — |
| Huntley Fire Protection District | Huntley | McHenry | 75 | Official site |
| Oak Lawn Fire Department | Oak Lawn | Cook | 73 | — |
| Plainfield Fire Protection District | Plainfield | Will | 73 | — |
| Scott AFB Fire Department | Scott Afb | Saint Clair | 73 | — |
| Mount Prospect Fire Department | Mount Prospect | Cook | 72 | Official site |
| Downers Grove Fire Department | Downers Grove | DuPage | 70 | Official site |
| Northbrook Fire Department | Northbrook | Cook | 69 | Official site |
| Addison Fire Protection District #1 | Addison | DuPage | 66 | Official site |
| Normal Fire Department | Normal | McLean | 66 | Official site |
| Oak Park Fire Department | Oak Park | Cook | 66 | Official site |
| Chicago Heights Fire Department | Chicago Heights | Cook | 65 | Official site |
| Lombard Fire Department | Lombard | DuPage | 65 | Official site |
| Crystal Lake Fire Rescue Department | Crystal Lake | McHenry | 64 | Official site |
| Belleville Fire Department | Belleville | Saint Clair | 63 | Official site |
| Urbana Fire Department | Urbana | Champaign | 63 | Official site |
| Carol Stream Fire Protection District | Carol Stream | DuPage | 62 | Official site |
| Lemont Fire Protection District | Lemont | Cook | 62 | Official site |
| Melrose Park Fire Department | Melrose Park | Cook | 62 | — |
| DeKalb Fire Department | Dekalb | DeKalb | 61 | Official site |
| Lake Zurich Fire Department | Lake Zurich | Lake | 60 | Official site |
| Moline Fire Department | Moline | Rock Island | 60 | Official site |
| Quincy Fire Department | Quincy | Adams | 60 | Official site |
| Gurnee Fire Department | Gurnee | Lake | 59 | Official site |
| Rock Island Fire Department | Rock Island | Rock Island | 59 | Official site |
| East Saint Louis Fire Department | East Saint Louis | Saint Clair | 58 | — |
| Bedford Park Fire Department | Bedford Park | Cook | 57 | Official site |
| Buffalo Grove Fire Department | Buffalo Grove | Lake | 57 | Official site |
| Calumet City Fire Department | Calumet City | Cook | 56 | Official site |
| Frankfort Fire Protection District | Frankfort | Will | 56 | Official site |
| Pekin Fire Department | Pekin | Tazewell | 56 | Official site |
| Wheeling Fire Department | Wheeling | Cook | 55 | Official site |
| New Lenox Fire & Ambulance District | New Lenox | Will | 54 | Official site |
| Bartlett Fire Protection District | Bartlett | Cook | 53 | Official site |
| Granite City Fire Department | Granite City | Madison | 53 | — |
| Niles Fire Department | Niles | Cook | 53 | — |
| West Chicago Fire Protection District | West Chicago | DuPage | 53 | Official site |
| Streamwood Fire Department | Streamwood | Cook | 52 | Official site |
| Highland Park Fire Department | Highland Park | Lake | 50 | Official site |
| Pleasantview Fire Protection District | La Grange Highlands | Cook | 50 | Official site |
| Galesburg Fire Department | Galesburg | Knox | 49 | Official site |
| Greater Round Lake Fire Protection District | Round Lake | Lake | 49 | Official site |
| Kankakee Fire Department | Kankakee | Kankakee | 49 | Official site |
| Tri-State Fire Protection District | Willowbrook | DuPage | 49 | Official site |
| Park Ridge Fire Department | Park Ridge | Cook | 48 | Official site |
| Alton Fire Department | Alton | Madison | 47 | Official site |
| Countryside Fire Protection District | Vernon Hills | Lake | 47 | Official site |
| Saint Charles Fire Department | Saint Charles | Kane | 46 | Official site |
| Algonquin-Lake in the Hills Fire Protection District | Lake In The Hills | McHenry | 45 | Official site |
| Deerfield-Bannockburn Fire Protection District | Deerfield | Lake | 45 | Official site |
| Bloomingdale Fire Protection District #1 | Bloomingdale | DuPage | 44 | Official site |
| City of Rolling Meadows Fire Department | Rolling Meadows | Cook | 44 | Official site |
| Danville Fire Department | Danville | Vermilion | 44 | — |
| Elmhurst Fire Department | Elmhurst | DuPage | 44 | Official site |
| Harvey Fire Department | Harvey | Cook | 44 | Official site |
| Wilmette Fire Department | Wilmette | Cook | 44 | Official site |
| Franklin Park Fire Department | Franklin Park | Cook | 43 | Official site |
| Freeport Fire Department | Freeport | Stephenson | 42 | Official site |
| Village of Libertyville | Libertyville | Lake | 42 | Official site |
| Woodstock Fire Rescue District | Woodstock | McHenry | 41 | Official site |
| Carpentersville Fire Department | Carpentersville | Kane | 40 | Official site |
| Dixmoor Fire Department | Dixmoor | Cook | 40 | — |
| East Peoria Fire Department | East Peoria | Tazewell | 40 | — |
| Grayslake Fire Protection District | Grayslake | Lake | 40 | Official site |
| Lincolnshire-Riverwoods Fire Protection District | Lincolnshire | Lake | 40 | Official site |
| Morton Grove Fire Department | Morton Grove | Cook | 40 | — |
| South Elgin Fire Protection District | South Elgin | Kane | 38 | Official site |
| Rock Island Arsenal Fire & Emergency Services | Rock Island | Rock Island | 37 | — |
| Troy Fire Protection District | Shorewood | Will | 37 | Official site |
| Wauconda Fire District | Wauconda | Lake | 37 | Official site |
| Collinsville Fire Department | Collinsville | Madison | 36 | Official site |
| Maywood Fire Department | Maywood | Cook | 36 | Official site |
| Calumet Park Fire Department | Calumet Park | Cook | 35 | — |
| Charleston Fire Department | Charleston | Coles | 35 | Official site |
| Darien-Woodridge Fire Protection District | Darien | DuPage | 35 | Official site |
| Glencoe Public Safety | Glencoe | Cook | 35 | Official site |
| Romeoville Fire Department | Romeoville | Will | 35 | Official site |
| City of Wheaton Fire Department | Wheaton | DuPage | 34 | Official site |
| East Moline Fire Department | East Moline | Rock Island | 34 | Official site |
| Fox Lake Fire Department | Ingleside | Lake | 34 | Official site |
| Matteson Fire Department | Matteson | Cook | 34 | Official site |
| Oak Forest Hospital of Cook County, Public Safety Department | Oak Forest | Cook | 34 | — |
| Alsip Fire Department | Alsip | Cook | 33 | — |
| Homer Township Fire Protection District | Lockport | Will | 33 | Official site |
| Lake Forest Fire Department | Lake Forest | Lake | 33 | Official site |
| Mokena Fire Protection District | Mokena | Will | 33 | Official site |
| Burbank Fire Department | Burbank | Cook | 32 | — |
| Hanover Park Fire Department | Hanover Park | Cook | 32 | Official site |
| Mundelein Fire Department | Mundelein | Lake | 32 | Official site |
| North Palos Fire Protection District | Palos Hills | Cook | 32 | Official site |
| Norwood Park Fire Protection District | Harwood Heights | Cook | 32 | Official site |
| Oak Brook Fire Department | Oak Brook | DuPage | 32 | Official site |
| Elburn & Countryside Fire Protection District | Elburn | Kane | 31 | Official site |
| North Chicago Fire Department | North Chicago | Lake | 31 | — |
| Bristol Kendall Fire Protection District | Yorkville | Kendall | 30 | Official site |
| East Dundee & Countryside Fire Protection District | East Dundee | Kane | 30 | Official site |
| Edwardsville Fire Department | Edwardsville | Madison | 30 | Official site |
| Lansing Fire Department | Lansing | Cook | 30 | Official site |
| Mattoon Fire Department | Mattoon | Coles | 30 | Official site |
| Sycamore Fire Department | Sycamore | DeKalb | 30 | Official site |
| Belvidere Fire Department | Belvidere | Boone | 29 | Official site |
| City of Carbondale Fire Department | Carbondale | Jackson | 29 | Official site |
| Mount Vernon Fire Department | Mount Vernon | Jefferson | 29 | Official site |
| Ottawa Fire Department | Ottawa | La Salle | 29 | — |
| Westchester Fire Department | Westchester | Cook | 29 | — |
| 182nd AW Fire Department, Illinois Air National Guard | Peoria | Peoria | 28 | — |
| Blue Island Fire Department | Blue Island | Cook | 28 | Official site |
| Broadview Fire Department | Broadview | Cook | 28 | Official site |
| Lincolnwood Fire Department | Lincolnwood | Cook | 28 | Official site |
| Palos Fire Protection District | Palos Park | Cook | 28 | — |
| Bellwood Fire Department | Bellwood | Cook | 26 | — |
| Fox River and Countryside Fire/Rescue District | St. Charles | Kane | 26 | Official site |
| Itasca Fire Protection District NO 1 | Itasca | DuPage | 26 | Official site |
| North Aurora Fire Protection District | North Aurora | Kane | 26 | Official site |
| Oak Forest Fire Department | Oak Forest | Cook | 26 | Official site |
| Park Forest Fire Department | Park Forest | Cook | 26 | Official site |
| Villa Park Fire Department | Villa Park | DuPage | 26 | Official site |
| Wood Dale Fire Protection District #1 | Wood Dale | DuPage | 26 | Official site |
| Brookfield Fire Department | Brookfield | Cook | 25 | — |
| Elmwood Park Fire Department | Elmwood Park | Cook | 25 | Official site |
| Jacksonville Fire Department | Jacksonville | Morgan | 25 | Official site |
| Manteno Community Fire Protection District | Manteno | Kankakee | 25 | Official site |
| Marion Fire Department | Marion | Williamson | 25 | Official site |
| Minooka Fire Protection District | Minooka | Grundy | 25 | Official site |
| Zion Fire Rescue Department | Zion | Lake | 25 | Official site |
| 183d Fighter Wing Fire Department | Springfield | Sangamon | 24 | — |
| Argonne National Laboratory Fire Department | Argonne | DuPage | 24 | — |
| Batavia Fire Department | Batavia | Kane | 24 | Official site |
| Bridgeview Fire Department | Bridgeview | Cook | 24 | — |
| Hillside Fire Department | Hillside | Cook | 24 | Official site |
| Schiller Park Fire Department | Schiller Park | Cook | 24 | Official site |
| Winnetka Fire Department | Winnetka | Cook | 24 | Official site |
| Channahon Fire Protection District | Channahon | Will | 23 | Official site |
| Forest Park Fire Department | Forest Park | Cook | 23 | — |
| Geneva Fire Department | Geneva | Kane | 23 | Official site |
| Hinsdale Fire Department | Hinsdale | DuPage | 23 | Official site |
| Roselle Fire Department | Roselle | DuPage | 23 | Official site |
| South Holland Fire Department | South Holland | Cook | 23 | Official site |
| Sterling Fire Department | Sterling | Whiteside | 23 | — |
| Bensenville Fire Protection District | Bensenville | DuPage | 22 | Official site |
| North Maine Fire Protection District | Des Plaines | Cook | 22 | Official site |
| Caterpillar Fire Department | Joliet | Will | 21 | — |
| Palos Heights Fire Protection District | Palos Heights | Cook | 21 | — |
| River Forest Fire Department | River Forest | Cook | 21 | Official site |
| Country Club Hills Fire Department | Country Club Hills | Cook | 20 | — |
| Elwood Fire Protection District | Elwood | Will | 20 | — |
| Fermilab Fire Department | Batavia | Kane | 20 | Official site |
| Glen Ellyn Volunteer Fire Company | Glen Ellyn | DuPage | 20 | Official site |
| Glenside Fire Protection District | Glendale Heights | DuPage | 20 | Official site |
| Hazel Crest Fire - Rescue Department | Hazel Crest | Cook | 20 | — |
| Homewood Fire Department | Homewood | Cook | 20 | Official site |
| La Grange Fire Department | La Grange | Cook | 20 | Official site |
| Long Grove Fire Protection District | Long Grove | Lake | 20 | Official site |
| Markham Fire Department | Markham | Cook | 20 | — |
| Prospect Heights Fire Protection District | Prospect Heights | Cook | 20 | Official site |
| University Park Fire Department | University Park | Will | 20 | Official site |
| Barrington Fire Department | Barrington | Lake | 19 | Official site |
| Dowell Volunteer Fire Department | Dowell | Jackson | 19 | — |
| Elk Grove Township Fire Department | Arlington Heights | Cook | 19 | — |
| Kewanee Fire Department | Kewanee | Henry | 19 | Official site |
| Lincoln Fire Department | Lincoln | Logan | 19 | — |
| Macomb Fire Department | Macomb | McDonough | 19 | Official site |
| Midlothian Fire Department | Midlothian | Cook | 19 | Official site |
| Chatham Fire Department | Chatham | Sangamon | 18 | Official site |
| Cherry Valley Fire Protection District | Rockford | Winnebago | 18 | Official site |
| Dixon Fire Department | Dixon | Lee | 17 | Official site |
| Effingham Fire Department | Effingham | Effingham | 17 | Official site |
| Inverness Fire Protection District | Inverness | Cook | 17 | Official site |
| Winfield Fire Protection District | Winfield | DuPage | 17 | Official site |
| Canton Fire Department | Canton | Fulton | 16 | — |
| City of Centralia Fire Department | Centralia | Marion | 16 | Official site |
| Manhattan Fire Protection District | Manhattan | Will | 16 | Official site |
| Northlake Fire Protection District | Northlake | Cook | 16 | Official site |
| Roberts Park Fire Protection District | Justice | Cook | 16 | Official site |
| Streator Fire Department | Streator | La Salle | 16 | — |
| Taylorville Fire Department | Taylorville | Christian | 16 | Official site |
| Dolton Village Fire Department | Dolton | Cook | 15 | Official site |
| Herrin Fire Department | Herrin | Williamson | 15 | Official site |
| Hines Fire Department | Hines | Cook | 15 | — |
| Monee Fire Protection District | Monee | Will | 15 | — |
| Monmouth Fire Department | Monmouth | Warren | 15 | Official site |
| Sugar Grove Fire Protection District | Sugar Grove | Kane | 15 | Official site |
| Godfrey Fire Protection District | Godfrey | Madison | 14 | Official site |
| Litchfield Fire Department | Litchfield | Montgomery | 14 | Official site |
| New Haven Fire Department | New Haven | Gallatin | 14 | — |
| North Riverside Fire Department | North Riverside | Cook | 14 | Official site |
| Riverdale Fire-Rescue Department | Riverdale | Cook | 14 | Official site |
| Rock Falls Fire Department | Rock Falls | Whiteside | 14 | — |
| Warrenville Fire Protection District | Warrenville | DuPage | 14 | Official site |
| Wilmington Fire Protection District | Wilmington | Will | 14 | Official site |
| Byron Fire Protection District | Byron | Ogle | 13 | Official site |
| Chicago Ridge Fire Department | Chicago Ridge | Cook | 13 | Official site |
| City of Paris Fire Department | Paris | Edgar | 13 | — |
| Leyden Fire Protection District | Franklin Park | Cook | 13 | — |
| Northwest Homer Fire Protection District | Lockport | Will | 13 | Official site |
| Pontiac Fire Department | Pontiac | Livingston | 13 | Official site |
| Pontiac Rural Fire Protection District | Pontiac | Livingston | 13 | Official site |
| Princeton Fire Department | Princeton | Bureau | 13 | Official site |
| Rochelle Fire Department | Rochelle | Ogle | 13 | — |
| West Frankfort Fire Department | West Frankfort | Franklin | 13 | — |
| Worth Fire Department | Worth | Cook | 13 | — |
| Coal City Fire Protection District | Coal City | Grundy | 12 | Official site |
| East Joliet Fire Protection District | Joliet | Will | 12 | — |
| Highland Fire Department | Highland | Madison | 12 | Official site |
| Quad Cities International Airport - Metropolitan Airport Authority Fire Department | Moline | Rock Island | 12 | Official site |
| Flossmoor Volunteer Fire Department | Flossmoor | Cook | 11 | Official site |
| Glen Carbon Fire Protection District | Glen Carbon | Madison | 11 | Official site |
| Murphysboro Fire Department | Murphysboro | Jackson | 11 | Official site |
| Western Springs Fire & Emergency Services Department | Western Springs | Cook | 11 | Official site |
| City of Wood River Fire Department | Wood River | Madison | 10 | Official site |
| Dixon Rural Fire | Dixon | Lee | 10 | — |
| Harrisburg Fire Department | Harrisburg | Saline | 10 | — |
| Sullivan Fire Protection District | Sullivan | Moultrie | 10 | Official site |
| Tri-Township Fire Protection District | Quincy | Adams | 10 | — |
| West Dundee Fire Department | West Dundee | Kane | 10 | Official site |
| Beardstown Fire Department | Beardstown | Cass | 9 | — |
| Coal Valley Fire Protection District | Coal Valley | Rock Island | 9 | — |
| Greater Peoria Airport Fire Department | Peoria | Peoria | 9 | — |
| Hampshire Fire Protection District | Hampshire | Kane | 9 | Official site |
| Robinson Fire Protection District | Robinson | Crawford | 9 | — |
| Rutland-Dundee Township Fire Protection District | Gilberts | Kane | 9 | — |
| Thornton Fire Department | Thornton | Cook | 9 | — |
| Highwood Fire Department | Highwood | Lake | 8 | — |
| Lake Egypt Fire Protection District | Marion | Williamson | 8 | Official site |
| Metropolis Fire Department | Metropolis | Massac | 8 | — |
| Beach Park Fire Department | Beach Park | Lake | 7 | Official site |
| Beecher Fire Protection District | Beecher | Will | 7 | Official site |
| Chicago Rockford Airport Authority Fire Department | Rockford | Winnebago | 7 | — |
| Crete Fire Department | Crete | Will | 7 | — |
| Du Quoin Fire Department | Du Quoin | Perry | 7 | — |
| East Alton Fire Department | East Alton | Madison | 7 | Official site |
| Fosterburg Fire Protection District | Alton | Madison | 7 | — |
| Fox River Grove Fire Protection District | Fox River Grove | McHenry | 7 | Official site |
| La Grange Park Fire Department | La Grange Park | Cook | 7 | Official site |
| Lyons Fire Department | Lyons | Cook | 7 | Official site |
| Maryville Fire Department | Maryville | Madison | 7 | Official site |
| MidAmerica Airport Public Safety Office | Mascoutah | Saint Clair | 7 | Official site |
| Oakbrook Terrace Fire Protection District | Oakbrook Terrace | DuPage | 7 | Official site |
| Sauget Fire Department | Sauget | Saint Clair | 7 | — |
| St. Louis Regional Airport | East Alton | Madison | 7 | — |
| Willard Airport Fire Department | Savoy | Champaign | 7 | — |
| Benton Fire Department | Benton | Franklin | 6 | Official site |
| Bourbonnais Fire Protection District | Bourbonnais | Kankakee | 6 | Official site |
| Bradley Fire Department | Bradley | Kankakee | 6 | Official site |
| Downs Community Fire Protection District | Downs | McLean | 6 | — |
| Lincoln Rural Fire Protection District | Lincoln | Logan | 6 | — |
| Marengo Fire Protection District | Marengo | McHenry | 6 | Official site |
| Mendota Fire Department | Mendota | La Salle | 6 | Official site |
| Riverside Fire Department | Riverside | Cook | 6 | Official site |
| Blackhawk Fire Protection District | Rockford | Winnebago | 5 | Official site |
| Carterville Fire Department | Carterville | Williamson | 5 | — |
| Cary Fire Protection District | Cary | McHenry | 5 | Official site |
| Ford Heights Fire Department | Ford Heights | Cook | 5 | — |
| Glenwood Fire Department | Glenwood | Cook | 5 | Official site |
| Hillsboro Fire Department | Hillsboro | Montgomery | 5 | — |
| New Milford Fire Protection District | Rockford | Winnebago | 5 | Official site |
| Peru Fire Department | Peru | La Salle | 5 | Official site |
| Pingree Grove & Countryside Fire Protection District | Elgin | Kane | 5 | Official site |
| Bethalto Fire Department | Bethalto | Madison | 4 | Official site |
| Boone County Rural Fire Protection District #2 | Belvidere | Boone | 4 | — |
| Cairo Fire Department | Cairo | Alexander | 4 | — |
| Carbondale Township Fire Department | Carbondale | Jackson | 4 | — |
| Fairfield Fire Department | Fairfield | Wayne | 4 | — |
| Jefferson Fire Protection District | Mount Vernon | Jefferson | 4 | — |
| Lexington Fire Protection District | Lexington | McLean | 4 | — |
| Mchenry Township Fire Protection District | Mchenry | McHenry | 4 | Official site |
| Mount Carmel Fire Department | Mount Carmel | Wabash | 4 | — |
| Newport Township Fire Protection District | Wadsworth | Lake | 4 | Official site |
| Olney Fire Department | Olney | Richland | 4 | Official site |
| Rockton Fire Protection District | Rockton | Winnebago | 4 | Official site |
| Salem Fire Protection District | Salem | Marion | 4 | — |
| Shelbyville Fire Protection District | Shelbyville | Shelby | 4 | — |
| Somonauk Community Fire Protection District | Somonauk | DeKalb | 4 | Official site |
| South Beloit Fire and Rescue | South Beloit | Winnebago | 4 | — |
| Williamson County Fire Protection District | Herrin | Williamson | 4 | Official site |
| Amboy Fire Department | Amboy | Lee | 3 | Official site |
| Clinton Fire Department | Clinton | Dewitt | 3 | — |
| Fairview Caseyville Township Fire Protection District | Fairview Heights | Saint Clair | 3 | Official site |
| Hickory Point Fire Protection District | Forsyth | Macon | 3 | — |
| Lake Villa Fire Department | Lake Villa | Lake | 3 | Official site |
| Lasalle Fire And Emergency Services | Lasalle | La Salle | 3 | — |
| Limestone Township Fire Protection District | Kankakee | Kankakee | 3 | Official site |
| Mt Zion Fire Protection District | Mount Zion | Macon | 3 | Official site |
| Roxana Fire Department | Roxana | Madison | 3 | — |
| South Chicago Heights Fire Department | South Chicago Heights | Cook | 3 | Official site |
| Steger Fire Department | Steger | Cook | 3 | Official site |
| Winthrop Harbor Fire Department | Winthrop Harbor | Lake | 3 | Official site |
| York Center Fire Protection District | Lombard | DuPage | 3 | Official site |
| Antioch Fire Department / First Fire District | Antioch | Lake | 2 | Official site |
| Clarendon Hills Fire Department | Clarendon Hills | DuPage | 2 | Official site |
| Dunlap Community Fire Protection District | Dunlap | Peoria | 2 | Official site |
| Evergreen Park Fire Department | Evergreen Park | Cook | 2 | — |
| Harlem-Roscoe Fire Protection District # 1 | Roscoe | Winnebago | 2 | Official site |
| Johnston City Fire Department | Johnston City | Williamson | 2 | — |
| Long Creek Fire Protection District | Decatur | Macon | 2 | Official site |
| Lynwood Fire Department | Lynwood | Cook | 2 | Official site |
| Maple Park-Countryside Fire Protection District | Maple Park | DeKalb | 2 | Official site |
| O'Fallon Fire Rescue | O'Fallon | Saint Clair | 2 | Official site |
| Richton Park Fire Department | Richton Park | Cook | 2 | — |
| Sauk Village Fire Department | Sauk Village | Cook | 2 | — |
| Signal Hill Fire Department | Belleville | Saint Clair | 2 | Official site |
| Summit Fire Department | Summit | Cook | 2 | — |
| Swansea Fire Department | Swansea | Saint Clair | 2 | — |
| Tinley Park Fire Department | Tinley Park | Cook | 2 | Official site |
| Westmont Fire Department | Westmont | DuPage | 2 | Official site |
| Bethany Fire & Ambulance Protection District | Bethany | Moultrie | 1 | — |
| City of Havana Fire Department | Havana | Mason | 1 | Official site |
| City of Silvis Fire Department | Silvis | Rock Island | 1 | — |
| Cornbelt Fire Protection District | Mahomet | Champaign | 1 | Official site |
| Crete Township Fire Protection District | Crete | Will | 1 | Official site |
| East Hazel Crest Fire Department | East Hazel Crest | Cook | 1 | Official site |
| Eldorado Fire Department | Eldorado | Saline | 1 | — |
| Forest View Fire Department | Forest View | Cook | 1 | — |
| Grant Park Fire Protection District | Grant Park | Kankakee | 1 | Official site |
| Hinckley Fire Protection District | Hinckley | DeKalb | 1 | Official site |
| Ivesdale Fire Protection District | Ivesdale | Champaign | 1 | Official site |
| Jerseyville Fire Department | Jerseyville | Jersey | 1 | Official site |
| Justice Fire Department | Justice | Cook | 1 | — |
| Kirkland Community Fire Department | Kirkland | DeKalb | 1 | — |
| Limestone Township Fire Protection District | Peoria | Peoria | 1 | Official site |
| Makanda Township Fire Department | Carbondale | Jackson | 1 | — |
| Montgomery & Countryside Fire Protection District | Montgomery | Kane | 1 | — |
| Morton Fire Department | Morton | Tazewell | 1 | Official site |
| Mt. Morris Fire Protection District | Mount Morris | Ogle | 1 | Official site |
| North Park Fire Protection District | Machesney Park | Winnebago | 1 | Official site |
| Northwest St Clair County Fire Protection District | Belleville | Saint Clair | 1 | — |
| O'Fallon-Shiloh Valley-Caseyville Fire Protection District | O'Fallon | Saint Clair | 1 | Official site |
| Ogle-Lee Fire Protection District | Rochelle | Ogle | 1 | — |
| Pecatonica Fire Department | Pecatonica | Winnebago | 1 | — |
| Phoenix Fire Department | Phoenix | Cook | 1 | — |
| Posen Fire Department | Posen | Cook | 1 | — |
| Robbins Fire Department | Robbins | Cook | 1 | — |
| Savanna Fire Department | Savanna | Carroll | 1 | Official site |
| Savoy Fire Department | Savoy | Champaign | 1 | Official site |
| Sherman Fire Protection District | Sherman | Sangamon | 1 | Official site |
| South Macon Fire Protection District | Macon | Macon | 1 | — |
| Stickney Fire Department | Stickney | Cook | 1 | Official site |
| Stillman Fire Protection District | Stillman Valley | Ogle | 1 | Official site |
| Stone Park Fire Department | Stone Park | Cook | 1 | Official site |
| Tuscola Fire Department | Tuscola | Douglas | 1 | Official site |
| Venice Fire Department | Venice | Madison | 1 | — |
| Willow Springs Fire-Rescue | Willow Springs | Cook | 1 | Official site |
| Win-Bur-Sew Fire Protection District | Winnebago | Winnebago | 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.