| Business | Phone |
| Civil-Surv Land Surveying 4710 Bellaire Blvd 250, Bellaire 77401 | (713) 839-9181 |
| Gulf States Surveying Co Inc 8526 Fm 359, Bellaire 77401 | (281) 346-1238 |
| Presley Surveying Co 5210 Spruce St, Bellaire 77401 | (713) 777-2005 |
| Rayburn Cherry Engineers Inc 5210 Spruce St, Bellaire 77401 | (713) 644-2631 |
| Tri Tech Surveying Co Inc 5210 Spruce St, Bellaire 77401 | (713) 667-0800 |