Laboratories-Testing
| Geoscience Drilling & Coring | 405 E 20th St | 77008 | (713) 861-0304 |
| Geoscience Engineering | 405 E 20th St | 77008 | (713) 861-9700 |
| Stork Testing & Metallurgical | 222 Cavalcade St | 77009 | (713) 692-9151 |
| Geoscience Drilling & Coring | 405 E 20th St | 77008 | (713) 861-0304 |
| Geoscience Engineering | 405 E 20th St | 77008 | (713) 861-9700 |
| Stork Testing & Metallurgical | 222 Cavalcade St | 77009 | (713) 692-9151 |