| Business | Phone |
| Advance Management Elm Grove 53122 | (262) 786-3800 |
| Venture One Llc 850 Elm Grove Rd 10, Elm Grove 53122 | (262) 784-3888 |
| Heinrich & Assoc 910 Elm Grove Rd 15, Elm Grove 53122 | (262) 784-5241 |
| Linnell Properties 13000 W Bluemound Rd, Elm Grove 53122 | (262) 784-9290 |