| Business | Phone |
| Wedeco 14125 S Bridge Cir, Charlotte 28273 | (704) 716-7600 |
| Water Purification Systems 5533 Monroe Rd, Charlotte 28212 | (704) 566-1368 |
| Water Tech Solutions Inc Charlotte 28269 | (704) 992-1922 |
| Water Treatment Control 5301 N Sharon Amity Rd, Charlotte 28215 | (704) 563-0916 |
| Bhs Filtration Inc 9123 Monroe Rd # 115, Charlotte 28270 | (704) 845-1190 |
| Premiere Water 4724 Park Rd # A, Charlotte 28209 | (704) 523-4048 |
| Charlotte Energy Inc 5500 Executive Center Dr # 201, Charlotte 28212 | (704) 563-7858 |
| Southwest Engineers 5910 Farm Oak Dr, Charlotte 28227 | (704) 545-2919 |
| Chemtreat Inc 3229 South Blvd, Charlotte 28209 | (704) 523-6490 |
| Scale Control Systems Charlotte 28204 | (704) 333-3210 |