| Business | Phone |
| Piedmont Natural Gas 3901 Craig Ave, Charlotte 28211 | (704) 442-8490 |
| Piedmont Natural Gas Co 4339 S Tryon St, Charlotte 28217 | (704) 525-5585 |
| Piedmont Natural Gas Co Inc 1915 Rexford Rd, Charlotte 28211 | (704) 364-3120 |
| Southeastern Gas & Power 7301 Carmel Executive Park Dr, Charlotte 28226 | (704) 543-5382 |
| En Line Energy Solutions 13777 Ballantyne Corp Pl # 335, Charlotte 28277 | (704) 544-6655 |