| Business | Phone |
| Global Surveyors 10401 Westoffice Dr, Houston 77042 | (713) 827-8388 |
| Teran Group 888 W Sam Houston Pkwy S, Houston 77042 | (713) 244-9795 |
| Crj Surveying Houston 77084 | (281) 858-6060 |
| Harris County Surveyors & Supl Po Box 12121, Houston 77077 | (281) 497-2711 |
| Landco Lp 11281 Richmond Ave J105, Houston 77082 | (281) 556-1202 |
| Wolf Brothers & Assoc Houston 77005 | (713) 594-2752 |
| Precision Land Surveying 4914 Dickson St B, Houston 77007 | (713) 862-8862 |
| Thomas Land Surveying 14340 Torrey Chase Blvd 270, Houston 77014 | (281) 924-5037 |
| Lonnie Andrew Sikes Inc 11415 Bedford St, Houston 77031 | (281) 561-8118 |
| Rjr Survey Co 9009 Imogene St, Houston 77036 | (713) 981-9466 |
| Hou-Tex Surveying Inc 8302 Cheswick Dr, Houston 77037 | (281) 447-7802 |
| Windrose Survey Co 2323 W Sam Houston Pkwy N, Houston 77043 | (713) 461-9888 |
| Ellis Surveying Svc 8419 E F Lowry Expy, Houston 77058 | (281) 486-4950 |
| Pathfinder Navigation Inc 15955 W Hardy Rd 202, Houston 77060 | (281) 591-1950 |
| Winne Land & Minerals Inc 9950 Cypresswood Dr 300, Houston 77070 | (281) 970-1005 |
| Poulson Surveying Houston 77077 | (281) 497-8326 |
| Clark Surveying Inc 955 Dairy Ashford St 1110, Houston 77079 | (214) 221-4848 |
| Reno & Assoc 14526 Old Katy Rd 202, Houston 77079 | (281) 497-5476 |
| Petty & Assoc 7066 Lakeview Haven Dr, Houston 77095 | (281) 345-4440 |
| Rust Lichliter/Jameson 11111 Brooklet Dr, Houston 77099 | (281) 561-5190 |
| Southwest Surveying Co Houston 77099 | (281) 568-3969 |
| Pinnell Survey Inc 1215 W 19th St, Houston 77008 | (713) 880-0808 |
| Zimmerman Mapping Co 10701 Old Coach Ln, Houston 77024 | (713) 464-4833 |
| Value Technologies 14306 Summerwood Lakes Dr, Houston 77044 | (281) 225-8876 |
| Prejean & Co 9324 Westview Dr, Houston 77055 | (713) 467-6277 |
| Survcon 5757 Woodway Dr, Houston 77057 | (713) 780-4123 |
| Texas Aerial Surveys 8031 Airport Blvd 218, Houston 77061 | (713) 640-1877 |
| Shanks Land Surveyors 1414 Wavecrest Ln, Houston 77062 | (281) 488-1486 |
| Tsc Surveying Co 3300 S Gessner Rd 120, Houston 77063 | (713) 784-4466 |
| U S Survey 15031 Woodham Dr 390, Houston 77073 | (281) 443-9288 |
| On Site Assoc 2126 Woodland Park Dr, Houston 77077 | (713) 461-0767 |
| Taplin Engineering Inc 1011 Highway 6 S 101, Houston 77077 | (281) 496-5896 |
| Precision Surveyors 14925 Memorial Dr B100, Houston 77079 | (281) 496-1586 |
| Western Group Consultants 11111 Katy Fwy 520, Houston 77079 | (713) 465-6655 |
| South Texas Surveying Inc 11281 Richmond Ave J101, Houston 77082 | (281) 556-6918 |
| Stakeout Inc 13210 Ann Louise Rd, Houston 77086 | (281) 931-3712 |
| Robert A Laplant Surveyors Inc 17150 Butte Creek Rd 125, Houston 77090 | (281) 440-8890 |
| Roe Surveying Co 5019 Hardway St, Houston 77092 | (713) 957-3311 |
| West Belt Surveying Inc 15915 Katy Fwy 450, Houston 77094 | (281) 599-8288 |