| Business | Phone |
| Houston Analytical Laboratory 888 W Sam Houston Pkwy S 288, Houston 77042 | (832) 252-7640 |
| Micro Analytical Svc 11301 Richmond Ave, Houston 77082 | (281) 497-4500 |
| Loflin Environmental 2020 Montrose Blvd 100, Houston 77006 | (713) 521-3300 |
| Honesty Environmental Svc 6647 Mayard Rd, Houston 77041 | (713) 787-0112 |
| J 3 Resources Inc 5400 Mitchelldale St A9, Houston 77092 | (713) 290-0221 |
| Abestosinjurysite.com 3704 Travis Street, Houston 77002 | (800) 622-7271 |