| Business | Phone |
| Water Side Svc Co 6909 Ashcroft Dr, Houston 77081 | (713) 772-8968 |
| C R Wilson & Assoc 2472 Bolsover St 287, Houston 77005 | (713) 932-7100 |
| Cooling Tower Solutions 11710 Almeda Genoa Rd, Houston 77034 | (713) 941-1944 |
| Midwest Towers Inc 14882 Shottery Dr, Houston 77015 | (281) 452-1523 |
| Marley Cooling Technologies 16903 Red Oak Dr, Houston 77090 | (281) 866-8400 |
| Hou-Tra International 6003 N Shepherd Dr C, Houston 77091 | (713) 644-9296 |