| Business | Phone |
| American Energy Management Co 3340 Peachtree Rd Ne, Atlanta 30326 | (404) 812-5341 |
| Concord Energy Llc 1050 Redfield Ln, Atlanta 30338 | (678) 990-5720 |
| Infinite Energy Inc 1862 Independence Sq, Atlanta 30338 | (770) 379-9963 |
| Calpine Corp 191 Peachtree St 3800, Atlanta 30303 | (404) 461-5000 |
| Energy Battery Group Inc 180 Allen Rd Ne 307, Atlanta 30328 | (404) 255-7529 |
| Southstar Energy 817 W Peachtree St Nw, Atlanta 30308 | (404) 685-4092 |
| Sei Energy Llc 3350 Riverwood Pkwy Se, Atlanta 30339 | (404) 627-8230 |