Clark Dietz is a professional engineering firm providing consulting, design, and construction management services to clients throughout the Midwest. Our core disciplines include transportation, civil, environmental, electrical, mechanical, and structural engineering. We are employee-owned, with our diverse staff of professionals serving clients from ten offices located in Illinois, Indiana, Kentucky, and Wisconsin. 

Over the past 50 years of client collaboration, our philosophy remains that every client is unique, and we pledge to support their individual needs and goals. This approach allows us to provide exceptional service, award-winning designs, and comprehensive construction management services, all while acting with respect, honesty, and transparency in all that we do. Our work is driven by the commitment to improve the quality of life for our clients and our communities, and we take great pride that our work has long-lasting positive effects where we live, work, and play.

At Clark Dietz, we engineer more than infrastructure. We are engineering quality of life.

Consulting

Clark Dietz, Inc.

Charles Craddock

Sean Widener Pe, Ptoe

Jon Howaniec

Scott Anstandig

Mustafa Emir

Seth Swartz

Engineering Team

Leadership Team

Finance and Accounting Team

Teams at Clark Dietz, Inc.

Engineering Team

Leadership Team

Finance and Accounting Team