Our Services

About Quigg Engineering Inc

QEI is an engineering consulting firm with the goal of preserving and building upon our infrastructure for the past 15 years. We are a DBE firm that provides a progressive and thoughtful approach to planning, engineering, and surveying, always remaining aligned with our clients' needs, to provide professional, quality, and timely engineering and consulting services.

Our experienced staff of planners, technicians, engineers, and surveyors are passionate, detail-oriented, and focused, always striving to find the best path to overcome any hurdle in the road. We pride ourselves on our diverse, creative, and dynamic team of 100+ employees, including 40+ licensed professionals in six states, and we rely on their extensive experience in transportation, design, surveying, structures, construction inspection and special studies.

Latest News

  • 2021 IDOT Engineering Firm of the Year
  • I-74 Bridge Celebration
  • I-255 Roadway & Bridge Rehabilitation Project.
  • QEI is honored to be a part of the I-57 Interchange of Bourbonnais Parkway project that just received the ACEC Engineering Excellence Achievement Award!