Established in 1959, CGA has been serving Iowans for over six and a half decades, providing top-notch civil engineering and land surveying services. With offices in Ackley, Cedar Falls, Des Moines, and Marshalltown, our team is always within reach to meet the needs of our clients. We take pride in being a responsive and Iowa-centered firm, committed to ensuring the success of projects across the state. We are a full-service firm with numerous service lines including construction survey, boundary survey, topographic survey, 3D scanning, structural, architectural site/civil, land development, planning, municipal and governmental, water/wastewater, aviation, natural and water resources, architecture, landscape architecture, ag drainage, streets and transportation, testing/lab/observation, right of way and construction administration.