Kaskaskia Engineering Group, LLC

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Kaskaskia Engineering Group, LLC Engineering a Better World

Please join us in welcoming our newest KEG-er to the crew - Cedric Diefenbaugh! Cedric joins us as an Environmental Plan...
10/21/2026

Please join us in welcoming our newest KEG-er to the crew - Cedric Diefenbaugh! Cedric joins us as an Environmental Planner with more than 8 years of experience in the field. He will assist our clients with NEPA documentation, environmental permitting, noise analysis and reports, and navigating the complex federal and state environmental review processes. When he's not doing his part to save the planet, Cedric enjoys cooking and traveling and even visited Scotland for the first time last year! We are so excited to have Cedric on board. Welcome to KEG-er life, Cedric!

📢 We want to hear from you!Join us as we assist the Illinois Department of Transportation (IDOT) in hosting a Virtual Pu...
10/19/2026

📢 We want to hear from you!

Join us as we assist the Illinois Department of Transportation (IDOT) in hosting a Virtual Public Meeting for the Planning & Environmental Linkages (PEL) Study of IL Route 15 and Bond Avenue in East St. Louis.

Whether you live or work in the area, own a local business, commute through the corridor, or have another connection to the community, your input is an important part of this study. We hope you'll join us, learn more, and share your feedback!

KEG's corporate office is located in Belleville, Illinois on historic Main Street. Since 2006 and long before KEG was ev...
10/19/2026

KEG's corporate office is located in Belleville, Illinois on historic Main Street. Since 2006 and long before KEG was even founded, we have called Belleville our home. Our Writers Lofts building has evolved over the years, as we've continued to improve our workplace, enhance our streetscape, and beautify our local community. Our headquarters serves as the heart of KEG's culture, and as a gathering place for many events that support the Belleville community. From our office greeters - the dogs - to our many neighbors and fellow business owners, Belleville has truly been an exceptional place to call home for 20 years.

Travel is one of life’s greatest teachers, and we love seeing our KEG Crew broaden their horizons each year! Our benefit...
10/16/2026

Travel is one of life’s greatest teachers, and we love seeing our KEG Crew broaden their horizons each year! Our benefits are shaped by feedback from our KEG-ers and our commitment to a healthy work/life balance. From Alaska to Thailand and everywhere in between, our team made the most of their time away and embraced some incredible adventures this year!

10/14/2026

You can't engineer a better world without a true desire to help others.

KEG will be in Naperville, IL this week for the ACEC-Illinois 2026 Fall Conference, and we'd love to see you there! This...
10/13/2026

KEG will be in Naperville, IL this week for the ACEC-Illinois 2026 Fall Conference, and we'd love to see you there! This annual event is all about catching up with our longtime partners, making new connections, and getting valuable updates from industry leaders. KEG Vice President of Engineering, Bryan Donze, PE, RSP, and Vice President of Operations, Rebecca Boyer, will be attending - if you see them, don’t be shy and come say hi.

On Indigenous Peoples' Day, we honor the enduring legacy, traditions, and contributions of Indigenous peoples. As a firm...
10/12/2026

On Indigenous Peoples' Day, we honor the enduring legacy, traditions, and contributions of Indigenous peoples. As a firm founded with Native American cultural influences, we proudly recognize the values and heritage that help shape who we are today.

KEG-ers Rebecca Boyer and Sarah Wells had a great time at yesterday's Terracon Field Day in Glendale Heights, IL! As the...
10/09/2026

KEG-ers Rebecca Boyer and Sarah Wells had a great time at yesterday's Terracon Field Day in Glendale Heights, IL! As the Kaskaskia | Terracon Mentor-Protégé Joint Venture enters its third year, we had the opportunity to connect with our project partners at Terracon and other peers throughout the industry. Thank you for hosting us !

We are pleased to share that KEG has been recertified as a Disadvantaged Business Enterprise (DBE) by the Indiana Depart...
10/06/2026

We are pleased to share that KEG has been recertified as a Disadvantaged Business Enterprise (DBE) by the Indiana Department of Transportation (INDOT) Business Opportunity Initiatives Division!

KEG is grateful to maintain DBE certification in Indiana, allowing us to support transportation programs across the state while championing an inclusive business environment through INDOT's DBE program.

Hey SIUE Cougars! KEG will be on campus tomorrow for the SIUE School of Engineering Career Fair, and we want to meet you...
10/05/2026

Hey SIUE Cougars! KEG will be on campus tomorrow for the SIUE School of Engineering Career Fair, and we want to meet you!

Visit our booth to learn about internship and full-time opportunities, pick up some swag, and connect with the KEG team. We're always looking for new talent driven by a passion to engineer a better world, and we can't wait to see you there!

Address

208 E Main Street, #100
Belleville, IL
62220

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm

Telephone

+16182335877

Website

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