| Business | Phone |
| Meh Consulting Engineers Inc 345 Route 24, Chester 7930 | (908) 879-8585 |
| A To Z Consulting & Marketing 1 Horton Dr, Chester 7930 | (908) 879-5533 |
| Construction Services 1 Ferrous Ct, Chester 7930 | (908) 879-5724 |
| Facility Energy Svc 487 State Route 24, Chester 7930 | (908) 879-6440 |
| Ferriero Engineering Inc 180 Main St, Chester 7930 | (908) 879-6209 |