| Nassau County Police Department | ||||
| Patrol Units | Traffic/Highway Division | Detectives Division | Special Operations Div | |
| Highway Patrol 2263 | Hazmat Unit 2427 | 1346 | ||
| Highway Patrol 2234 | Bomb Squad | 1348 | ||
| Emerg. Mgmt. Command Center | 2468 | |||
| Emergency Ambulance Bureau | ||||
| 2397 | ||||
| Emergency Management | ||||