| Business | Phone |
| Medex Medical Exams 8303 Southwest Fwy, Houston 77074 | (713) 484-8000 |
| Portamedic 7322 Southwest Fwy 420, Houston 77074 | (713) 777-1180 |
| Churchill Evaluation Ctr 2626 South Loop W 430, Houston 77054 | (713) 776-9000 |
| Churchill Evaluation Ctr 505 N Sam Houston Pkwy E, Houston 77060 | (281) 447-8700 |
| Mes 3000 Richmond Ave 540, Houston 77098 | (713) 527-9971 |
| Mes Group 3000 Richmond Ave, Houston 77098 | (713) 533-9319 |