Duffield Associates, an award-winning geoscience consulting firm, headquartered in Wilmington, Delaware. We have regional offices in Georgetown, Delaware, Philadelphia and Carlisle, Pennsylvania, Cape May Court House, New Jersey, and North East, Maryland.
Duffield Associates practices extensively in the areas of Environmental Services, Geotechnical Engineering, Water and Ecological Resources, Structural Engineering, Coastal/Waterfront Engineering, Construction Services, Applied IT, and Permitting Assistance. Represented on staff are Civil Engineers, Hydrogeologists, Environmental Engineers and Scientists, Geotechnical and Construction Engineers, Structural Engineers, Coastal and Hydraulic Engineers and Scientists, Geologists, Wetlands Scientists and a technical support staff.
Duffield Associates also has an AASHTO and USACE accredited soils and concrete testing laboratory and contemporary specialized field sampling and testing equipment.
The firm has undertaken over 12,000 projects for more than 2,000 different clients including government, industry, construction, and professional clients.