| Business | Phone |
| Valve Concepts Inc 9869 Drysdale Ln, Houston 77041 | (713) 271-7171 |
| Bel Valve 9000 Monroe Rd, Houston 77061 | (713) 333-0250 |
| Beric Davis Co 5602 Armour Dr, Houston 77020 | (713) 673-2073 |
| Bray Controls 13333 Westland East Blvd, Houston 77041 | (281) 894-5454 |
| Noble Alloy Valve Group 10945 Day Rd, Houston 77043 | (713) 984-0999 |
| Everest Valve Co 6642 Avenue U, Houston 77011 | (713) 923-8696 |
| Mei 9807 Harwin Dr C, Houston 77036 | (713) 977-1577 |
| Fluid Mechanics Valve Co 12803 Fm 529 Rd, Houston 77041 | (713) 466-6933 |
| Mogas Industries Inc 14330 E Hardy Rd, Houston 77039 | (281) 449-0291 |
| Maxon Corp 17154 Butte Creek Rd 107, Houston 77090 | (281) 444-4236 |
| Xomox Corp 1202 Hahlo St, Houston 77020 | (713) 668-6300 |
| Pgi Intl 16101 Vallen Dr, Houston 77041 | (713) 466-0056 |