| Business | Phone |
| Air Environmental Svc 9810 Fm 1960 Rd W, Humble 77338 | (281) 548-0800 |
| Chickadee Remediation Co 8810 Will Clayton Pkwy, Humble 77338 | (281) 540-8711 |
| Cottonwood Environmental 5907 Aldine Bender Rd, Humble 77396 | (281) 441-7555 |
| Double D Marine Specialties 4719 Falcon Forest Dr, Humble 77346 | (281) 852-1840 |
| Environmental Interiors 18105 Lee Rd, Humble 77338 | (281) 821-3622 |
| Magnaflow Environmental 14915 Highway 59 N, Humble 77396 | (281) 448-8585 |
| Haz-Mat Compliance & Verificat Humble 77346 | (281) 812-7698 |
| Johnson Environmental Svc 5940 N Sam Houston Pkwy E, Humble 77396 | (832) 445-0700 |