Fire Departments |
| Albertson Fire Department | (Albertson FD) |
| Bayville Fire Company No. 1 | (Bayville Fire Co. 1) |
| Bellmore Fire Department | (Bellmore FD) |
| Bethpage Fire Department | (Bethpage FD) |
| East Meadow Fire Department | (East meadow FD) |
| East Rockaway Fire Department | (East Rockaway FD) |
| Farmingdale Fire Department | (Farmingdale FD) |
| Franklin Square and Munson Fire Department | (Franklin Square and Munson FD) |
| Hicksville Fire Department | (Hicksville FD) |
| Island Park Fire Department | (Island Park FD) |
| Locust Valley Fire Department | (Locust Valley FD) |
| Malverne Fire Department | (Malverne FD) |
| Massapequa Fire Department | (Massapequa FD) |
| Mineola Fire Department | (Mineola FD) |
| Oceanside Fire Department | (Oceanside FD) |
| Point Lookout - Lido Fire Department | (Point Lookout - Lido FD) |
| South Hempstead Fire Department | (South Hempstead FD) |
| Stewart Manor Fire Department | (Stewart Manor FD) |
| Syosset Fire Department | (Syosset FD) |
| Wantagh Fire Department | (Wantagh FD) |
Volunteer Fire Departments |
| Baldwin Fire Department | (Baldwin FD) |
| Carle Place Fire Department | (Carle Place FD) |
| Elmont Fire Department | (Elmont FD) |
| Floral Park Fire Department | (Floral Park FD) |
| Freeport Fire Department | (Freeport FD) |
| Great Neck Alert Fire Company Number 1 | (Great Neck Alert Fire Co. No. 1) |
| Inwood Fire Department | (Inwood FD) |
| Lakeview Fire Department | (Lakeview FD) |
| Lawrence-Cedarhurst Fire Department | (Lawrence-Cedarhurst FD) |
| Levittown Fire Department | (Levittown FD) |
| Long Beach Fire Department | (Long Beach FD) |
| Lynbrook Volunteer Fire Department | (Lynbrook VFD) |
| Manhasset-Lakeville Fire Department | (Manhasset-Lakeville FD) |
| Merrick Truck Company 1 | (Merrick Truck Co. #1) |
| New Hyde Park Fire Department | (New Hyde Park FD) |
| North Bellmore Fire Department | (North Bellmore FD) |
| North Massapequa Fire District | (North Massapequa FD) |
| North Merrick Fire Department | (North Merrick FD) |
| Port Washington Fire Department | (Port Washington FD) |
| Rescue Hook & Ladder Company #1 of Roslyn | (Rescue H&L Co. 1 of Roslyn) |
| Rockville Centre Fire Department | (Rockville Centre FD) |
| Seaford Fire Department | (Seaford FD) |
| Valley Stream Fire Department | (Valley Stream FD) |
| West Hempstead Fire Department | (West Hempstead FD) |
| Westbury Fire Department | (Westbury FD) |
| Woodmere Fire Department | (Woodmere FD) |
Other |
| Nassau County Office of Emergency Management | (Nassau County OEM) |
| Nassau County Police Department | (Nassau County PD) |