| Business | Phone |
| Building Inspector 111 Ridgedale Ave, Florham Park 7932 | (973) 377-2964 |
| Florham Park Boro Clerk 111 Ridgedale Ave, Florham Park 7932 | (973) 410-5300 |
| Florham Park Borough Garage 111 Ridgedale Ave, Florham Park 7932 | (973) 377-3357 |
| Florham Park Community Tv 107 Ridgedale Ave, Florham Park 7932 | (973) 765-9895 |
| Florham Park Construction Office 111 Ridgedale Ave, Florham Park 7932 | (973) 410-5346 |
| Florham Park Engineering Dept 111 Ridgedale Ave, Florham Park 7932 | (973) 410-5334 |
| Florham Park Sewerage Auth 31 Vreeland Rd, Florham Park 7932 | (973) 377-1330 |
| Sun River Pump Station Sun Valley Way, Florham Park 7932 | (973) 665-0204 |