| Business | Phone |
| Eisenmenger Consulting 149 W 2nd St, Clifton 7011 | (973) 340-3889 |
| Entech Partnership 1033 Clifton Ave, Clifton 7013 | (973) 471-7788 |
| Chiral Photonics Inc 115 Industrial St E, Clifton 7012 | (973) 594-8888 |
| A & J Consulting Engineering 164 Brighton Rd, Clifton 7012 | (973) 777-9696 |