| Business | Phone |
| Carey Water Conditioning 726 Central Ave Se, Minneapolis 55414 | (612) 781-0068 |
| Hand Quality Water Minneapolis 55404 | (612) 490-0649 |
| Water Doctors 6973 W Broadway Ave, Minneapolis 55428 | (651) 430-3720 |
| Northland Water Conditioning Minneapolis 55411 | (612) 521-3885 |
| Days Plumbing Service CO 410 C Niagara Lane N, Minneapolis 55441 | (612) 246-3198 |