| 1 | Baltimore County Fire Department Towson | MD | 6,545 | 60 | - | volunteer |
| 2 | Houston Fire Department Houston | TX | 3,815 | 88 | - | career |
| 3 | Frederick County Volunteer Fire and Rescue Association Frederick | MD | 2,807 | 29 | - | volunteer |
| 4 | California Department of Forestry and Fire Protection - Perris Station Perris | CA | 2,030 | 95 | - | career |
| 5 | Dallas Fire-Rescue Dallas | TX | 2,030 | 55 | - | career |
| 6 | Prince Georges County Fire Department Largo | MD | 1,981 | 44 | - | volunteer |
| 7 | San Francisco Fire Department San Francisco | CA | 1,835 | 42 | - | career |
| 8 | City of Memphis Division of Fire Memphis | TN | 1,808 | 55 | - | career |
| 9 | Baltimore City Fire Baltimore | MD | 1,752 | 43 | - | career |
| 10 | Columbus Division of Fire Columbus | OH | 1,675 | 32 | - | career |
| 11 | San Antonio Fire Department and Ambulance San Antonio | TX | 1,505 | 48 | - | career |
| 12 | Orange County Fire Authority Irvine | CA | 1,435 | 60 | - | career |
| 13 | Honolulu Fire Department Honolulu | HI | 1,330 | 44 | - | career |
| 14 | Nashville Fire Department Nashville | TN | 1,236 | 35 | - | career |
| 15 | Palm Beach County Fire Rescue Royal Palm Beach | FL | 1,218 | 41 | - | career |
| 16 | Austin Fire Department Austin | TX | 1,100 | 42 | - | career |
| 17 | Clark County Fire Department Las Vegas | NV | 1,085 | 25 | - | career |
| 18 | Charlotte Fire Department Charlotte | NC | 1,082 | 37 | - | career |
| 19 | Seattle Fire Department Seattle | WA | 1,078 | 35 | - | career |
| 20 | Oklahoma City Fire Department Oklahoma City | OK | 1,031 | 35 | - | career |
| 21 | Cleveland Fire Department Cleveland | OH | 1,028 | 26 | - | career |
| 22 | San Diego Fire - Rescue Department San Diego | CA | 1,018 | 44 | - | career |
| 23 | Kansas City Missouri Fire Department Kansas City | MO | 1,008 | 34 | - | career |
| 24 | Howard County Fire Department Columbia | MD | 982 | 11 | - | career |
| 25 | Denver Fire Department Denver | CO | 909 | 31 | - | career |
| 26 | El Paso Fire Department - Central Station El Paso | TX | 880 | 34 | - | career |
| 27 | San Jose Fire Department San Jose | CA | 843 | 31 | - | career |
| 28 | Indianapolis Fire Department Indianapolis | IN | 819 | 26 | - | career |
| 29 | Kansas City Kansas Fire Department Kansas City | KS | 799 | 18 | - | other |
| 30 | Fort Worth Fire Department Fort Worth | TX | 782 | 38 | - | career |
| 31 | Tucson Fire Department Tucson | AZ | 770 | 21 | - | career |
| 32 | Buffalo Fire Department Buffalo | NY | 765 | 22 | - | career |
| 33 | Portland Fire and Rescue Portland | OR | 736 | 27 | - | career |
| 34 | Tulsa Fire Department Tulsa | OK | 730 | 30 | - | career |
| 35 | Newark Fire Department Rescue 1 Newark | NJ | 730 | 17 | - | career |
| 36 | Birmingham Fire and Rescue Service Birmingham | AL | 709 | 31 | - | career |
| 37 | Sacramento Metropolitan Fire District Mcclellan | CA | 704 | 42 | - | career |
| 38 | City of Miami Department of Fire-Rescue Miami | FL | 681 | 14 | - | career |
| 39 | Pasco County Fire Rescue Land O Lakes | FL | 659 | 22 | - | career |
| 40 | Omaha Fire and Rescue Omaha | NE | 655 | 23 | - | career |
| 41 | City of las Vegas Fire and Rescue Las Vegas | NV | 648 | 16 | - | career |
| 42 | Hanover County Fire and Emergency Medical Services - Hanover Courthouse Volunteer Fire Hanover | VA | 631 | 12 | - | volunteer |
| 43 | Tampa Fire and Rescue Tampa | FL | 628 | 22 | - | career |
| 44 | Kern County Fire Department Bakersfield | CA | 625 | 45 | - | career |
| 45 | Shreveport Fire Department Shreveport | LA | 575 | 21 | - | career |
| 46 | Baton Rouge Fire Department - Mechanic Shop Baton Rouge | LA | 575 | 19 | - | career |
| 47 | Sacramento City Fire Department Sacramento | CA | 572 | 22 | - | career |
| 48 | Lexington-Fayette Urban County Government Fire Lexington | KY | 558 | 23 | - | career |
| 49 | Ventura County Fire Protection District Santa Paula | CA | 554 | 31 | - | career |
| 50 | Raleigh Fire Department Raleigh | NC | 549 | 26 | - | career |