| Business | Phone |
| Houston Inst-Clinical Research 7777 Southwest Fwy 720, Houston 77074 | (713) 988-2615 |
| Bucky Usa 9402 Alberene Dr, Houston 77074 | (713) 777-6266 |
| Bellaire Technology Ctr 3737 Bellaire Blvd, Houston 77025 | (713) 245-7100 |
| Biotecx Laboratories Inc 6023 South Loop E, Houston 77033 | (713) 643-0606 |
| Business Research Lab 8558 Katy Fwy 4, Houston 77024 | (713) 467-6619 |
| Cameron 6750 Bingle Rd, Houston 77092 | (713) 369-4100 |
| Lark Technologies Inc 9441 W Sam Houston Pkwy S 10, Houston 77099 | (713) 779-3663 |
| Kindred Sleep Lab 6441 Main St, Houston 77030 | (713) 790-7828 |
| Institute For Research Inc 8330 Westglen Dr, Houston 77063 | (713) 783-8400 |
| Ionwerks 2472 Bolsover St 255, Houston 77005 | (713) 522-9880 |
| Nanocomposites Inc 8275 El Rio St, Houston 77054 | (713) 440-6155 |
| Natural Therapeutics Inc 8159 Almeda Rd, Houston 77054 | (713) 747-4292 |