| Business | Phone |
| Wisconsin Surveying N15w22218 Watertown Rd 3, Waukesha 53186 | (262) 548-0960 |
| Ronald H Zimmerman Land Survey 726 Tenny Ave, Waukesha 53186 | (262) 542-5616 |
| Jagusch Surveying 890 Sunnycrest Dr, Waukesha 53186 | (262) 782-8061 |
| Jahnke & Jahnke Assoc Inc 711 W Moreland Blvd, Waukesha 53188 | (262) 542-5797 |