| Business | Phone |
| Titan Tool & Die Co 10050 W Gulf Bank Rd 200, Houston 77040 | (713) 849-4300 |
| Abc Plastic Molding Inc 501 E Parker Rd, Houston 77076 | (713) 692-9122 |
| American General Molds 6109 W 34th St, Houston 77092 | (713) 681-4356 |
| Empire Calibration Inc 15885 Memorial Dr 507, Houston 77079 | (281) 558-6662 |
| Empire Calibration Inc 9219 Katy Fwy 110, Houston 77024 | (713) 464-1116 |
| Modern Machine Works 6227 Keyko St, Houston 77041 | (713) 983-9955 |
| Luna Machine Works 6210 Royalton St D, Houston 77081 | (713) 668-1701 |
| Nettur Precision Technologies 6471 Springer St, Houston 77087 | (713) 649-2711 |
| Reliable Injection Molding 7100 Ertel Lane,, Houston 77040 | (713) 927-0096 |