| Business | Phone |
| Ucons Corp 2316 Dampton Dr, Plano 75025 | (972) 943-8880 |
| Energy Comparisions 5800 Granite Pkwy, Plano 75024 | (972) 731-2610 |
| Energy Operating Corp 5068 W Plano Pkwy, Plano 75093 | (972) 381-4207 |
| Energy Recovery Group 1631 Dorchester Dr, Plano 75075 | (214) 473-9612 |
| Energy Recovery Group 2825 Regal Rd, Plano 75075 | (972) 758-9531 |
| Energy Recovery Grp 2801 Regal Rd, Plano 75075 | (214) 473-6834 |
| Global Energy 5000 Legacy Dr, Plano 75024 | (972) 943-6040 |
| Green Mountain Energy Co 1255 W 15th St, Plano 75075 | (972) 312-0885 |
| Innex Energy 5240 Tennyson Pkwy, Plano 75024 | (972) 608-9994 |
| N M Energy Of Texas 6301 Stonewood Dr, Plano 75024 | (972) 312-9556 |