Quigg Engineering Inc. (QEI) is a Disadvantaged Business Enterprise (DBE) consulting, engineering, and surveying firm based in Springfield, IL. We work with our clients to provide quality and professional services with an emphasis on technical details, accuracy, and professionalism. Our extensive background allows us to provide creative solutions during all phases, including designing, permitting and construction. OEI’s accomplished team of engineers, surveyors, scientists, and technicians highlight all the details to better provide our clients with a sense of security and assurance.

Construction

Engineering

Quigg Engineering Inc.

Quigg Engineering Inc.'s headquarters in Springfield, IL, United States

Lori L. Quigg

Todd Welz

Mike

Brenna Koonce

The Engineering team at Quigg Engineering Inc. (QEI) is responsible for providing comprehensive consulting, design, and surveying services. This team, comprising field engineers, transportation engineers, traffic engineers, project engineers, civil engineers, structural engineers, and various engineering technicians, collaborates to deliver innovative and technically precise solutions. They engage in all project phases—from initial design to permitting and construction—ensuring accuracy, professionalism, and a high standard of quality to meet client needs and regulatory requirements.

The Survey and Mapping Team at Quigg Engineering Inc. is responsible for conducting precise land surveys and creating detailed maps to support various engineering and construction projects. Led by the Survey Crew Chief and coordinated by the Survey Manager, the team ensures accuracy and professionalism in data collection, boundary determination, and topographical mapping. The Surveying Technician provides technical support and assists in the use of advanced surveying equipment to deliver high-quality results for our clients.

Survey and Mapping Team

This department oversees and coordinates all aspects of transportation projects and logistics.

Transportation Management

This department manages employee relations, recruitment, and organizational development.

Human Resources

The Leadership Team at Quigg Engineering Inc. (QEI) is responsible for setting the strategic direction of the company, overseeing key operational functions, and ensuring the delivery of high-quality services in engineering, surveying, and consulting. Comprised of senior executives, including the President & CEO, Executive Vice President, Vice President, Chief Structural Engineer, and Survey Crew Chief, this team collaborates to drive innovation, maintain professional standards, and foster client relationships to achieve company growth and success.

Quigg Engineering Inc.

Org chart

Teams

Engineering

Survey and Mapping Team

Transportation Management

Human Resources

Leadership Team

Offices

Quigg Engineering Inc.

Org chart

Teams

Engineering

Survey and Mapping Team

Transportation Management

Human Resources

Leadership Team

Offices

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