| Business | Phone |
| Nsa Charlotte 1516 E 4th St, Charlotte 28204 | (704) 344-9412 |
| Shaklee Air Source 5033 Murrayhill Rd, Charlotte 28210 | (704) 527-4582 |
| Carroll Edmonds 9805 Central Dr, Charlotte 28227 | (704) 545-4442 |
| Indoor Air Quality Solutions 8826 Arbor Glen Ln, Charlotte 28210 | (704) 552-5701 |