Klingner is a multidisciplinary, award-winning firm offering comprehensive engineering, architecture, land surveying, geotechnical services, and construction material testing. Since 1905, it has been our mission to enhance Midwestern communities through compelling and cost-effective designs. From industrial and commercial businesses to local school districts, our experts foster collaborative design experiences to create inspiring environments and specialized solutions. Klingner professionals are based in eight regional offices throughout the Midwest: Carbondale, Galesburg, and Quincy, IL; Columbia and Hannibal, MO; and Burlington, Davenport, and Pella, IA.