| Business | Phone |
| Apollo Electric Inc 100 Riley Rd, Houston 77047 | (713) 433-7272 |
| Bob's Small Engine Svc 5510 Old Greenhouse Rd 400, Houston 77084 | (281) 859-7210 |
| Genlog Inc 15255 Gulf Fwy, Houston 77034 | (281) 464-8004 |
| Global Thermoelectric 16760 Hedgecroft Dr 614, Houston 77060 | (281) 445-1515 |
| Harrison Hydra-Gen 10827 Tower Oaks Blvd, Houston 77070 | (281) 807-4420 |
| Hart-A-Gen Systems Inc 6100 Brittmoore Rd, Houston 77041 | (832) 467-4339 |
| Mustang Cat-Power Rentals 4750 Homestead Rd, Houston 77028 | (713) 861-1440 |
| A & A GenPro 4303 Dacoma Street, Houston 77092 | (713) 830-3280 |