Quigg Engineering Inc (QEI) is a reputable engineering consulting firm based in Collinsville, IL, with over 15 years of experience in the industry. Specializing in planning, engineering, and surveying, QEI is dedicated to preserving and enhancing infrastructure. With a team of passionate and detail-oriented professionals, including licensed experts in multiple states, QEI offers a comprehensive range of services, including construction inspection, surveying, transportation, environmental studies, and site development.
Known for their progressive and thoughtful approach, QEI remains committed to meeting their clients' needs by delivering professional, high-quality, and timely engineering and consulting services. Their extensive experience in transportation, design, surveying, structures, construction inspection, and special studies allows them to overcome any challenges that may arise. With a diverse and dynamic team, QEI has established itself as a trusted partner in infrastructure development and has received recognition for their outstanding work, including being named the 2021 IDOT Engineering Firm of the Year.
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