| Business | Phone |
| Instruction By Masters 2890 W Sam Houston Pkwy S A18, Houston 77042 | (713) 706-3001 |
| Advent Resource Management 5320 Gulfton St, Houston 77081 | (713) 666-4070 |
| Coast Personnel Svc 521 N Sam Houston Pkwy E # 600, Houston 77060 | (281) 820-3822 |
| Cpr & More 5930 Lodge Creek Dr, Houston 77066 | (281) 444-3487 |
| Health & Safety Training Ctr 6250 Westpark Dr, Houston 77057 | (713) 975-7360 |
| Life Management Svc 4022 Black Locust Dr, Houston 77088 | (281) 260-9488 |
| Houston Health & Safety 8524 Highway 6 N, Houston 77095 | (713) 956-5300 |