| Business | Phone |
| Environmental Transportation 15240 Galveston Rd, Houston 77058 | (281) 461-0541 |
| Hazwaste Environmental Houston 77002 | (832) 606-8531 |
| Triad Transport Inc 10501 Sheldon Rd, Houston 77044 | (281) 456-0016 |
| Nssi/Sources & Svc Inc 5711 Etheridge St, Houston 77087 | (713) 641-0391 |