Clapsaddle-Garber Associates (CGA) is a civil engineering and land surveying firm based in Marshalltown, Iowa. We have provided a full range of quality engineering and land surveying services throughout Central Iowa since 1959. Our staff includes Professional Engineers, Licensed Land Surveyors, and a Real Estate Broker.

CGA provides a broad range of services to governmental, industrial, and private clients in various disciplines of engineering, construction administration, planning, and land surveying.

Our services include:
Aviation
Construction Administration
Land Development
Land Surveying
Right of Way
Stormwater Management
Testing and Observation
Traffic and Transportation
Water Distribution
Waste Water Collection

CGA works hard so our clients don't have to. Call us today!