| Business | Phone |
| Alloy Metals & Tubes 5725 Cunningham Rd, Houston 77041 | (713) 935-0100 |
| Benteler Steel & Tube Corp 1300 Post Oak Blvd 1350, Houston 77056 | (713) 629-9111 |
| Coastal Alloys Inc 9197 Winkler Dr D, Houston 77017 | (713) 943-2900 |
| Gibson Tube Inc 11757 Katy Fwy, Houston 77079 | (281) 854-2063 |
| La Barge Pipe & Steel Co 616 Fm 1960 Rd W, Houston 77090 | (281) 444-6910 |