| Business | Phone |
| Willis Heimerl Realty 18302 Old Yorkville Rd, Union Grove 53182 | (262) 878-4444 |
| Sky Realty Llc 20715 Durand Ave, Union Grove 53182 | (262) 878-7570 |
| Help-U-Sell 1443 Main St, Union Grove 53182 | (262) 878-9599 |
| Kimball Realty 15941 Durand Ave 20d, Union Grove 53182 | (262) 884-9959 |
| Lasen Realty 910 63rd Dr, Union Grove 53182 | (262) 878-4706 |