| Business | Phone |
| Puretap Water Systems 925 Allen Ave, St Paul 55118 | (651) 451-2346 |
| Best America Water Purfctn St Paul 55106 | (651) 774-4129 |
| Surburban Soft Water Co 6087 46th St N, St Paul 55128 | (651) 777-6901 |
| D 2 Svc 80 Little Canada Rd E # 4, St Paul 55117 | (651) 766-2500 |
| Dac Industries 1730 Gervais Ave, St Paul 55109 | (651) 748-1750 |
| Northern Softening 2216 County Road D W # O, St Paul 55112 | (763) 502-8228 |
| Us Filter 1239 Willow Lake Blvd, St Paul 55110 | (651) 766-6963 |