Klingner & Associates, PC Email Format

Civil EngineeringIllinois, United States51-200 Employees

Klingner & Associates, PC is a Midwest-based civil engineering firm that operates as a multidisciplinary practice, providing engineering, architecture, land surveying, geotechnical services, and construction material testing. Founded in 1905, the firm emphasizes cost-effective designs intended to strengthen communities across the region. Its client base spans industrial and commercial sectors as well as local school districts, and it pursues collaborative design processes to deliver practical, well-integrated environments. Headquartered in Quincy, Illinois, Klingner maintains nine regional offices across Illinois, Missouri, and Iowa.

Within the civil engineering industry, Klingner positions itself as a regional, full-service practice capable of handling a range of project types through its integrated service lines. In 2024, a Klingner project involving pump rehabilitation and a diesel engine replacement received recognition in the Special Projects category at the Iowa Engineering Conference.

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