Quigg Engineering Inc. (QEI), a Woman-Owned Disadvantaged Business Enterprise (DBE), has served clients in the public and private sectors since 2006. We have over 80 professionals in the Midwest and Florida specializing in providing services in the infrastructure market. These services include highway and bridge design, land surveying, environmental studies and permitting, traffic engineering, construction inspection, and site design. Our goal is to impress the client by delivering a quality project that meets the schedule and budget, utilizing the expertise and integrity of our staff.
Providing Quality Services
with the Excellence and
Integrity of our staff!
Our Services
Awards
U.S. Business 20, West State Street
2023 MAASTO Quality of Life/Community Development Nominee
I-255 Road & Bridge Rehabilitation
2021 ACEC Engineering Excellence Award
I-294 Mile Long Bridge
2024 ACEC-IL Honor Award, Engineering Works (People’s Choice) Award, and 2019 ACEC Special Achievement Award
Illinois Certification and Research Track (ICART)
2024 ACEC-IL Merit Award
I-55 at Weber Road, Diverging Diamond
2024 ACEC-IL Honor Award, Lincoln Grand Conceptor Award, and 2023 MAASTO Best Use of Technology and Innovation Winner
I-88 Reagan Memorial Tollway, Phase II
2022 ACEC-IL Special Achievement Award
Veteran’s Parkway Feasibility Study
2022 ACEC-IL Special Achievement Award
IDOT Engineering Firm of the Year
2021, 2018, & 2011 IDOT Engineering Firm of the Year
IL Route 75 Rock River to IL Route 2, Phase II
2020 ACEC-IL Merit Award