| Business | Phone |
| Us Oncology Inc 16825 Northchase Dr 1300, Houston 77060 | (832) 601-8766 |
| Aosm Inc 2302 Fannin St, Houston 77002 | (713) 650-9800 |
| C G Technology 2232 Hoskins Dr, Houston 77080 | (713) 827-8457 |
| F G Medical Management 600 Studemont St, Houston 77007 | (713) 862-7327 |
| Gkl Health Svc 9225 Katy Fwy 314, Houston 77024 | (713) 365-9392 |
| Integra Net-Gulf Coast Inc 260 N Sam Houston Pkwy E 220, Houston 77060 | (281) 447-6867 |
| International Sos Assistance 2211 Norfolk St 517, Houston 77098 | (713) 521-7611 |