| Business | Phone |
| Jmm Industries Inc 1 Cleveland Ln, Princeton 8540 | (609) 921-2011 |
| Metra Industries Inc 19 Stockton Ave, Princeton 8540 | (908) 281-7171 |
| Powell Industries Princeton 8540 | (609) 716-8300 |
| Pyramid Vision Technology Inc 201 Washington Rd, Princeton 8540 | (609) 419-0418 |
| Shank Manufacturing Inc 302 Blue Spring Rd, Princeton 8540 | (609) 658-5895 |
| Washington Group Intl 510 Carnegie Ctr, Princeton 8540 | (609) 720-2000 |
| Certified Manufacturing Corp 2 Village Blvd, Princeton 8540 | (609) 734-7448 |