| Business | Phone |
| Job & Job Consulting Engineers 108 Hudson St, Hackensack 7601 | (201) 487-8754 |
| Kfa Consulting Engineers Inc 15 Dyatt Pl, Hackensack 7601 | (201) 488-3707 |
| Science Applications Intl Corp 411 Hackensack Ave, Hackensack 7601 | (201) 489-5200 |
| O & S Assoc Inc 145 Main St # 2, Hackensack 7601 | (201) 541-1771 |
| Aparri & Assoc 166 Main St # 2, Hackensack 7601 | (201) 343-7747 |