About Us

Rotating Images
Rotating Images
Rotating Images

Infrastructure Engineering, Inc. (IEI) is one of the leading consulting engineering firms in the Midwest since 1986. Serving both public and private organizations, IEI focuses on the delivery of high quality design engineering, program management, and construction engineering and inspection services.

The firm was acquired by its current President, Michael Sutton, P.E., in 1997. Under his leadership and management, IEI has diversified its portfolio of expertise to include airport, harbor, highway/roadway, mass transit, site development, structural, traffic, and water management services.

IEI is a certified MBE, DBE, and small business firm.   While we lead many projects from start to finish, we also look forward to being a strategic partner on your team.