Infrastructure Engineering Inc. turns 25 today, October 23rd!
Over the past 25 years, IEI has grown from a two-person office in Chicago to over 150 talented professionals in six offices throughout five states, earning a reputation for INGENUITY by delivering sustainable solutions for complex engineering challenges.
Celebrating our first quarter of a century gives us the opportunity to remember our past, celebrate our present, and anticipate a bright future fueled by the dedication and diverse talent of our IEI team.
IEI is grateful for the public agencies, teaming partners, and community stakeholders who have believed in our firm and given us a chance to prove ourselves time and time again.
We look forward to a strong future of delivering on our mission to transform, inspire, and enrich communities where we live and work by reimagining infrastructure.