| Business | Phone |
| Covenant Energy Inc 42 4226 N Interstate 35, Denton 76207 | (940) 566-1495 |
| Energy Income Management 5000 Energy Pl 300, Denton 76207 | (940) 484-4070 |
| Ge Energy Svc 2101 Woodbrook St, Denton 76205 | (940) 383-0815 |
| Windstar Energy Of North 109 E Oak St, Denton 76201 | (940) 387-2834 |