| Business | Phone |
| Tetradyne Inc 14727 River Forest Dr, Houston 77079 | (281) 240-1600 |
| Automation Wash 1988 Wilcrest Dr, Houston 77042 | (832) 251-7818 |
| Ace Automation 14530 Wunderlich Dr 201, Houston 77069 | (281) 397-0600 |
| Automation Nation 1109 Hawthorne St, Houston 77006 | (713) 520-7424 |
| Control Interface Inc 5875 W 34th St, Houston 77092 | (713) 681-1721 |
| International Controls & Equip 11331 Richmond Ave 103n, Houston 77082 | (281) 496-0430 |
| Cypress Automation 6910 Renwick Dr # S, Houston 77081 | (281) 530-2396 |
| Cyress Automation 6910 Renwick Dr, Houston 77081 | (713) 839-7175 |
| Emerson Process Solutions 12603 Sw Freeway 100, Houston 77005 | (713) 529-5980 |
| Enersys Corp 79 S Sam Houston Pkwy W, Houston 77085 | (713) 522-2444 |
| Erp & Legacy 1120 Nasa Rd 1 205, Houston 77058 | (281) 335-3395 |
| Hinz Automation 5535 Memorial Dr # F614, Houston 77007 | (713) 956-1808 |