| Business | Phone |
| Leading Edge Communications 100 Eagle Rock Ave, East Hanover 7936 | (908) 898-0100 |
| Crescent Computer Technologies 6 Deforest Ave, East Hanover 7936 | (973) 428-1494 |
| Csi Inc 100 Eagle Rock Ave # 1, East Hanover 7936 | (973) 560-9400 |
| Dr Owl Inc 8 Lucianna Rd, East Hanover 7936 | (973) 386-9434 |