| Business | Phone |
| Ceco-Compressor Engineering 5440 Alder Dr, Houston 77081 | (713) 664-7333 |
| Dresser-Rand 1415 Lumpkin Rd, Houston 77043 | (713) 827-0542 |
| Price Compressor Co 7752 Braniff St, Houston 77061 | (713) 649-6050 |
| Houston Pneumatic Integrators 6320 Long Dr, Houston 77087 | (713) 644-0543 |
| Samco Enterprises Inc 16115 Aldine Westfield Rd, Houston 77032 | (281) 443-6505 |
| Stark Industries 6511 Mapleridge St, Houston 77081 | (713) 592-0377 |