| Business | Phone |
| Texas Supply Co 6999 W Little York Rd P, Houston 77040 | (713) 690-2153 |
| L C Eldridge Sales Co 9800 Richmond Ave, Houston 77042 | (713) 780-7200 |
| Air Moving Equipment Co 7121 Perimeter Park Dr 214, Houston 77041 | (832) 467-2400 |
| Cfm & Assoc 5722 Fairdale Ln, Houston 77057 | (713) 780-7800 |
| E N Stolnacke Co 7922 Braesview Ln, Houston 77071 | (713) 623-4808 |
| Fred P Heinzmann Co 1718 Fry Rd, Houston 77084 | (281) 578-1441 |
| Knape Associates Inc 9219 Katy Fwy 268, Houston 77024 | (713) 467-2777 |