| Business | Phone |
| Behm's Heating & Sheet Metal 811 Vine St, Watertown 53098 | (920) 261-1980 |
| Godfroy Heating 1001 S 2nd St, Watertown 53094 | (920) 261-5606 |
| Kehr Brothers Inc W4631 Highway 19, Watertown 53094 | (920) 261-5613 |
| River City Heating & Air Cond 708 W Madison St, Watertown 53094 | (920) 262-8844 |