| Business | Phone |
| French Real Estate Co 314 E Main St, Waupun 53963 | (920) 324-3551 |
| Hearthstone Homes 600 S Watertown St, Waupun 53963 | (920) 324-3782 |
| Karsten Real Estate 4 Fond Du Lac St, Waupun 53963 | (920) 324-2800 |
| Vande Zande Real Estate Llc 17 N Madison St, Waupun 53963 | (920) 324-4977 |