Geoprofessional engineers serving Wisconsin since 1966. We offer geotechnical engineering, environmental and geotechnical drilling services, and construction materials testing. We own and operate drilling rigs include truck-mounted, low-pressure rubber tire all-terrain, and tracked all-terrain units. We provide testing of concrete, hot-mix asphalt and base course materials under the Wisconsin Department of Transporting Quality Management Program for bridges, culverts, sign structures, retaining walls and roadways. We provide testing at airports including Dane County Regional, General Mitchell International, and Austin Straubel International. Our geotechnical engineering includes work on highways including the I-39 corridor in Dane County and Rock County.