Environmental & Ecological Services
| Best Drilling Svc | 925 W 20th St | 77008 | (713) 864-3900 |
| Cadence Environmental Energy | 1235 North Loop W # 717 | 77008 | (713) 802-0240 |
| Mc Clellan Environmental Svc | 1109 Cheshire Ln | 77018 | (713) 683-6050 |
| Meridian Alliance Group | 3233 W 11th St # 400 | 77008 | (713) 861-0081 |
| Phase Engineering Inc | 335 W 21st St | 77008 | (281) 469-2242 |
| Reid ESC Inc | 715 Thornton Rd | 77018 | (713) 780-1940 |
| Environmental Interiors | 743 Harvard St | 77007 | (713) 426-5333 |
| HAL Inc | 5311 Petty St | 77007 | (713) 880-8264 |
| Regal Environmental Svc Inc | 2611 Arabelle St | 77007 | (713) 862-8973 |
