| Business | Phone |
| Frigi-Tech Intl 8359 Prairie Wind Ln, Houston 77040 | (713) 896-6889 |
| Polar Shield Inc 13100 Northwest Fwy, Houston 77040 | (713) 690-9233 |
| Sempra Energy Solutions 2500 Citywest Blvd 1800, Houston 77042 | (713) 361-7600 |
| Ac Dc Electric Inc 10200 Hempstead Rd 1k, Houston 77092 | (713) 956-6969 |
| Harris Lighting Inc 12459 Woodthorpe Ln, Houston 77024 | (713) 973-7768 |
| Cogeneration Technologies 12615 Jones Rd 209, Houston 77070 | (281) 955-7343 |
| Complete Energy Holdings Llc 1221 Lamar St, Houston 77010 | (713) 650-9300 |
| Coolsmart Of Southeast Texas 6600 Harwin Dr, Houston 77036 | (713) 266-8686 |
| En Link Geothermal Svc 16430 Park Ten Pl 600, Houston 77084 | (281) 398-6880 |
| Energy Processors 831 1/2 Corvette Ln, Houston 77060 | (281) 999-2202 |
| Energycel Distributor 2271 Triway Ln, Houston 77043 | (713) 728-3427 |
| Enline Energy Solutions Llc 1800 Bering Dr, Houston 77057 | (713) 457-2460 |
| Free Lighting Corp 15255 Gulf Fwy, Houston 77034 | (281) 464-0199 |
| Gil Energy Inc 1980 Post Oak Blvd, Houston 77056 | (713) 571-7525 |
| Martita Mc Bierney 1535 West Loop S, Houston 77027 | (713) 624-7140 |
| Kennametal Energy Group 11931 Wickchester Ln, Houston 77043 | (281) 558-6079 |
| Just Energy Llc 5333 Westheimer Rd 50, Houston 77056 | (713) 850-6790 |