| Business | Phone |
| Culligan Water Conditioning 921 Lincoln St, Rhinelander 54501 | (715) 362-4047 |
| Wisconsin Water Treatment Corp 3079 E Lake George Rd, Rhinelander 54501 | (715) 362-4397 |
| Water Doctor Water Conditionng 4575 State Highway 17 N, Rhinelander 54501 | (715) 362-2570 |