| Business | Phone |
| Accu-Soft Water Ltd 628 Malvern Dr Ne, Calgary T2A 5P5 | (403) 235-3375 |
| Greenhall's Water Care Ltd 1410 42 Ave Se, Calgary T2G 1Z6 | (403) 262-6226 |
| U S Filter/ Petwa Ltd 4120 23 St Ne, Calgary T2E 6W9 | (403) 250-2650 |
| Columbia Water Softening Co 277 Citadel Crest Green Nw, Calgary T3G 4W2 | (403) 249-0069 |