Hilmer Engineering Inc. N9 W31035 Concord Court Delafield, WI. 53018 Phone: (262) 646-8666 Fax: (262) 646-2522 E-mail: Philmer@wi.rr.com Services: ALTA, Mortgage, Residential and Commercial construction staking, Subdivisions, Engineering, Topography, Wetland location, Flood plain location, Boundry and more. Serving all of Southeastern Wisconsin.