Gary Flentge

EDI’s Kristen Hamilton and Howard Hamilton joined a team from the Joliet Region Chamber of Commerce in a visit to our Nation’s Capitol last week. Kristen is the current Board Vice Chair and is the incoming Board Chair for 2024 for the Joliet Region Chamber of Commerce. Howard served as Board Chair in 2016. The […]

We’re buzzing with excitement from our fantastic summer bowling event. Our team had a blast rolling strikes and shared unforgettable moments. From friendly competition to delicious snacks and friendly fun, it was a day filled with camaraderie and team spirit. We’re grateful for every member of our EDI team. Thank you for making our Summer

As of Thursday, June 1, 2023…… Environmental Design International inc. (EDI) has Acquired Hamilton Consulting Engineers (HCE) Leslie J. Sawyer, EDI’s President & CEO, welcomed staff with the announcement: “We are excited about now being one company/family and a combined wonderful and highly accomplished team. Please join me in welcoming our Joliet staff!” “I am

Environmental Design International inc. (EDI), a Minority-Owned, Woman-Owned, and Disadvantaged Business Enterprise (MBE, WBE, DBE), providing multidiscipline engineering headquartered in Chicago, IL has reached an agreement to acquire Hamilton Consulting Engineers (HCE), a Joliet-based civil engineering and professional land surveying firm. ​Founded in 1991, EDI provides civil engineering, transportation construction engineering; environmental engineering, industrial hygiene;

EDI is proud to be celebrating 30 years of providing professional engineering consulting services with Excellence, Dedication, and Innovation. We would like to thank our clients for continuing to trust EDI with their critical infrastructure and transformative community development projects. Building on EDI’s history of supporting many important charitable causes which started with the late