| Business | Phone |
| Applied Milling Systems Inc 16350 Park Ten Pl 150, Houston 77084 | (281) 599-3270 |
| Cutting Edge Technologies 11707 W Sam Houston Pkwy S, Houston 77031 | (281) 564-3437 |
| Fmc Technologies 1803 Gears Rd, Houston 77067 | (281) 591-4000 |
| Hydril Co Lp 302 Mccarty St, Houston 77029 | (713) 670-3500 |