| Business | Phone |
| Cobb Energy 1000 Emc Pkwy Ne, Marietta 30060 | (770) 429-2222 |
| Cobb Energy 1185 Cobb Pkwy N, Marietta 30062 | (770) 425-6503 |
| Custom Sun Control 986 Cobb Pkwy S, Marietta 30060 | (770) 424-8225 |
| Energy Savings Of America Llc 3655 Autumn Ridge Pkwy, Marietta 30066 | (770) 578-9881 |
| Foster Wheeler Power Systems 1000 Johnson Ferry Rd A100, Marietta 30068 | (770) 509-0337 |
| Southern Energy Alliance 3222 Chinquapin Ct, Marietta 30066 | (770) 971-3481 |