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Mike Klingner at his desk

A Team of Many Talents

“It’s an honor to work with a dedicated team that is committed to each other and to our work.”


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A Past that Helps to Shape the Future

“We provide excellent services which anticipate client needs and benefit the community.”

Klingner & Associates, P.C.

The Privilege to Serve Our Region and Beyond

There’s no such thing as a simple plan. Projects may take into account everything from engineering to data collection, architecture to water services. That’s why, for decades, leaders in the region have turned to Klingner to solve the most complex design challenges.

We bring to the table multidisciplinary expertise under one roof. You’ll always have a full team of senior-level experts in every required field. We work together. We collaborate. And we aim for quality with every job.

Our firm has had the privilege of assisting individuals, industrial and commercial businesses, municipalities, primary / secondary schools, higher educational institutions, and government agencies throughout Illinois, Missouri, and Iowa.

A trail running into a wooded corridor with a city on the horizon
Kelsey Pigg

“Our team doesn’t just work in the region. We live here. We’re invested. Seeing communities thrive is our singular mission.”

Kelsey Pigg
Marketing Coordinator


Klingner has a history of growth and commitment to community.

The historical events of the 1900s

1905: W.P. Bushnell Engineering Firm was established by Webster P. Bushnell.

1920: Bushnell & McCann Engineering Firm was established.

1936: William H. Klingner joined Bushnell & McCann, to provide water resource engineering services.

1949: Bushnell & McCann became W. H. Klingner and Associates, and later incorporated in 1985, as Klingner & Associates, P.C. In order to assist clientele in the Northeast Missouri region, the Firm established a branch office in Hannibal, Missouri.

William H. Klingner sitting at desk Two men standing in front of construction equipment in 1936A construction site in 1952
The ribbon cutting for Klingner's Carbondale, IL, office The new Davenport team at the time of signingMike Klingner and John Neyens during the ribbon cutting for Klingner's Columbia, MO, office

The historical events of the 2000s

2004: Klingner & Associates, P.C. announced its merger and expansion into Iowa and northwest Illinois through a merger with Metzger Johnson Architects, Smith Engineering and Geotechnics, Inc; which have offices in Galesburg, Illinois and Burlington, Iowa.

2005: Hannibal Testing Laboratories, Inc. of Hannibal, Missouri became Geotechnics, a division of Klingner & Associates, P.C.

2014: Metzger Johnson Architects and Klingner Architects joined forces to be known as the Klingner Architectural Group.

2015: Klingner & Associates, P.C. announced the purchase of Galesburg-area Land Surveying / Civil Engineering Firm of Schrader & Associates. In December, Klingner & Associates, P.C. announced the opening of its fifth regional office and expansion in Pella, Iowa.

2016: Klingner & Associates, P.C. announced the official opening of its sixth regional office and expansion in Columbia, Missouri.

2020: Klingner & Associates, P.C. announced the acquisition of Verbeke-Meyer Consulting Engineers in Davenport, Iowa.

2022: Klingner & Associates, P.C. announced the opening of its eighth regional office in Carbondale, Illinois.

We’re a True Partner for Your Project

You’re building the future. Let’s talk about your project and see how we can partner to can make it a success.

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