- IEI Promotes Aaron Patterson to Chicago Office Design Group Manager
- IEI Corporate Responsibility Focus
- IEI Contributes to the AEC Industry with Summer Internship Program
- iei-remains-committed-to-employee-health-and-safety
- IEI Ends Its 20th Year Anniversary Celebration With Park Bench Dedication and Looks Forward To Future Success
- Technology and Data on The Horizon for AEC in 2019
- IEI’s Peoria Office Designs New MacArthur Highway Bridge
- IEI’s Chief Structural Engineer, A Pioneer Around Town
- The 2018 Intern Class
- One Senior Civil Engineer Brings Solutions To The Runway
- Illinois Tollway: Award Winning Infrastructure
- Connecting Communities and Changing Lives
- Message From The President
- Remote Readiness
- INGENUITY
- Transforming, Inspiring and Enriching; Manhattan Bridge
- MacArthur Bridge Wins ACEC IL and NY Award
- Enriching Our Communities