| Business | Phone |
| Natco Group 2925 Briarpark Dr, Houston 77042 | (713) 975-2100 |
| Airgas Credit 1110 Nasa Rd 1 212, Houston 77058 | (281) 333-4300 |
| American Central 16800 Greenspoint Park # 230n, Houston 77060 | (281) 872-8486 |
| American Siding & Remodel 21123 W Hardy Rd, Houston 77073 | (281) 443-4241 |
| Cynara 2950 North Loop W, Houston 77092 | (713) 975-8881 |
| Enerfin Resources 3 Riverway 1200, Houston 77056 | (713) 888-8600 |
| Kinder Morgan Inc 12906 Zavalla St, Houston 77085 | (281) 835-6917 |
| Interstate Treating Inc 13700 Veterans Memorial Dr, Houston 77014 | (281) 444-9985 |