About Structural Design Corporation

Structural Design Corporation (SDC) is a licensed consulting engineering firm located in Libertyville, Illinois. We have been providing engineering and inspection services since 1979. We are a licensed design firm in the State of Illinois.

SDC has provided engineering services to the steel industry for over 25 years. We excel in the design, upgrade, and rehabilitation of EOT Crane Runways and other mill structures across the United States and South America.

SDC has strong inspection and analytical skills. These skills allow us to correlate our inspection findings with engineering mechanics for our industrial clients.