| Business | Phone |
| Eastern Datacomm Inc 44 Commerce Way, Hackensack 7601 | (201) 457-3311 |
| Silacom Technologies Inc 111 Hackensack Ave, Hackensack 7601 | (201) 678-1127 |
| Metrocomm Inc 35 State St, Hackensack 7601 | (201) 498-0009 |
| American Business Comm Svc Inc 141 S State St, Hackensack 7601 | (201) 488-3500 |