Duffield Associates, Inc.

About Duffield Associates, Inc.


Established in 1976, Duffield Associates is a diverse and dynamic mid-sized engineering and science consulting firm, which has grown to include a professional and technical staff of over 100 individuals, including over 30 licensed Professional Engineers, Professional Geologists, and Landscape Architects. The firm's headquarters is located in Pike Creek Valley outside of Wilmington, DE. We have regional offices in Dover and Rehoboth, DE; Philadelphia and Carlisle, PA; Cinnaminson and West Deptford, NJ; and Bel Air, MD. Duffield practices extensively in the areas of: Civil Engineering, Geotechnical Engineering, Water and Wastewater Engineering, Water and Natural Resources, Environmental Services, Structural Engineering, Municipal Services, Construction Services, Traffic/Transportation Engineering, Coastal/Waterfront Engineering, Permitting Assistance.

Regional Employees
Wilmington, DE
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