| Business | Phone |
| Op-Tech Environmental Svc 30 Nixon Ln, Edison 8837 | (732) 650-0080 |
| Tetra Tech Inc 2890 Woodbridge Ave, Edison 8837 | (732) 548-2162 |
| Unified Services Group 510 Thornall St # 370, Edison 8837 | (732) 494-5440 |
| Camp Dresser & Mc Kee Inc 1 Raritan Plz # 3, Edison 8837 | (732) 225-7000 |
| Clean Harbors Environmental 3 Sutton Pl, Edison 8817 | (732) 248-1997 |
| Environmental Science & Engrg 2 Gourmet Ln, Edison 8837 | (732) 549-9115 |
| Industrial Compliance Svc Ovington Ave, Edison 8817 | (732) 985-0442 |
| Lockheed Engineering & Science 2890 Woodbridge Ave, Edison 8837 | (732) 548-4686 |
| Lockheed Martin Svc 2890 Woodbridge Ave, Edison 8837 | (732) 321-9148 |