| Business | Phone |
| Aqua-Metrix Ltd 30 Royal Crest Crt #4, Markham L3R 9W8 | (416) 249-9151 |
| Aqua Technologies Inc 4390 Steeles Ave E, Markham L3R 9V7 | (905) 305-1229 |
| Aqua Technologies Inc 1 Raymerville Dr, Markham L3P 5J5 | (905) 294-3933 |
| Aqua Solutions Equipment Inc 170 Esna Park Dr, Markham L3R 1E3 | (905) 513-8288 |
| Healthy Body Now 646 Village Pky #47, Markham L3R 2S7 | (905) 470-2259 |
| Meco Canada Inc 431 Alden Rd, Markham L3R 3L4 | (905) 948-0600 |
| Millennium Water Technologies 7305 Woodbine Ave, Markham L3R 3V7 | (905) 473-9834 |
| Trico Consulting Svc 230 Don Park Rd #10, Markham L3R 2P7 | (905) 940-8068 |
| Universal Water Technologies 3255 Highway 7 #193, Markham L3R 3P9 | (905) 707-9898 |
| Universal Water Technology Inc 3255 Highway 7, Markham L3R 3P9 | (905) 943-9889 |
| Water Quality Control Systems 605 Denison St, Markham L3R 1B8 | (905) 944-9465 |