| Business | Phone |
| Leading Technologies Inc Po Box 470473, Charlotte 28247 | (704) 542-1410 |
| Piedmont Chlorinator Sales 7424 Orr Rd, Charlotte 28213 | (704) 597-7505 |
| Central Piedmont Water 2818 Queen City Dr # A, Charlotte 28208 | (704) 393-5526 |
| Culligan Of Charlotte 665 Pressley Rd # R, Charlotte 28217 | (704) 525-1526 |
| Delta Rho Corp 7515 Timber Ridge Dr, Charlotte 28227 | (704) 573-2401 |
| Ew2 Environmental Inc 7245 Pineville Matthews Rd, Charlotte 28226 | (704) 542-2444 |