Our professional engineering consultants partner closely with clients at the county government level, helping them make informed business decisions through every phase of their project developments.
Supporting Economic Growth through Purposeful Design Strategies
We work on everything from bridge rehabilitation and inspection, provide comprehensive planning and improvement recommendations for county park facilities, and roadway, structural, and construction support services for the counties most important transportation systems. As a full-service firm, we also provide feasibility studies and prepare revitalization strategies for neighborhoods and urban areas to support economic growth and transform communities throughout the country.
Our Specialized Services
From concept development and design, through execution and project closure, our professionals navigate clients through all phases of development.

Applying AI to Improve Civil Engineering Workflows
Ron Lezott discusses how AI is helping improve civil engineering workflows through automation, project coordination, and smarter decision-making.

The Doors Are Open: Delivering the Honor Guard Training Facility to Luke Air Force Base
Discover how Colliers Engineering & Design helped deliver the Honor Guard Training Facility at Luke Air Force Base—honoring those who…

Colliers Engineering & Design’s James Serpico, Jr., PE, Named ASCE NJ’s 2026 Civil Engineer of the Year
How James Serpico is shaping the future of New Jersey as ASCE NJ’s Civil Engineer of the Year.
Let’s talk about your next project!
Our multidisciplinary approach to design, combined with a deep understanding of the industry and passion for innovation, has positioned us as leaders consistently delivering outstanding results in shaping the built environment.






