| Business | Phone |
| Bentrade Inc 1225 North Loop W, Houston 77008 | (713) 863-1461 |
| Custom Alloy Corp 9720 Cypresswood Dr 310, Houston 77070 | (713) 460-0700 |
| G & L Fitting 8225 Berwyn Dr, Houston 77037 | (281) 448-8289 |
| Galperti Inc 160 Southbelt Industrial Dr, Houston 77047 | (713) 433-0700 |
| Gulf Coast Nipple Co 12224 Kindred St, Houston 77049 | (281) 458-7223 |
| Lts Inc 11932 Brittmoore Park Dr, Houston 77041 | (832) 467-4040 |