| Business | Phone |
| Kcs Computers Inc 700 Grand Ave, Ridgefield 7657 | (201) 941-9115 |
| Kosaka Software Tech Inc 386 Mayer Ct, Ridgefield 7657 | (201) 945-2010 |
| Computer Training Systems 200 W Douglas St # 203, Ridgefield 7657 | (201) 840-6900 |
| Nobel Computer Systems 700 Grand Ave # 18, Ridgefield 7657 | (201) 945-3000 |
| N1 Logic Inc 476 Bergen Blvd, Ridgefield 7657 | (201) 945-4644 |