In 1975 Terracon opened an office in Des Moines. From its roots in geotechnical engineering, the Des Moines office has developed into a successful multi-discipline firm specializing in geotechnical, environmental, and construction materials services. With a staff of over 50, an in-house certified laboratory and drill rig fleet, we are able to provide timely and professional services to our clients. With the goal of building strong client relationships and hiring many employees educated at Iowa Universities has allowed Terracon to thrive in the State of Iowa. To date, we have performed over 24,000 projects in Iowa, including a significant portion of renewable energy projects including wind towers and biofuel plants.