| Business | Phone |
| I D Systems Inc 1 University Plz # 600, Hackensack 7601 | (201) 996-9000 |
| Electronic Workshop Corp 9 Dyatt Pl, Hackensack 7601 | (201) 343-0061 |
| Safe Guards Technology Inc 75 Atlantic St, Hackensack 7601 | (201) 488-1022 |
| Safety Care Inc 15 Emerald St, Hackensack 7601 | (201) 343-5775 |