| Business | Phone |
| Northland Plumbing & Heating 106 E 6th St, Grafton 58237 | (701) 352-9303 |
| George La Haise & Sons Plmbng 335 Highway 81 N, Grafton 58237 | (701) 352-0572 |
| Lunseth Plumbing & Heating 2003 Highway 81 S, Grafton 58237 | (701) 352-0802 |
| Kutz & O'Brien Inc 630 Hill Ave, Grafton 58237 | (701) 352-2630 |