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  • Photo of Bartram's Mile

    Environmental Services

    Bartram’s Mile

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    Marine Services

    New Castle Dock

  • Photo of the Incyte Building

    Multi-Disciplined Services

    Incyte

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    Construction Phase Services

    Museum of the American Revolution

  • Photo of Millsboro Tank Raising

    Water/Wastewater Engineering

    Millsboro Tank Raising

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    Geotechnical Engineering

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  • Civil Engineering

    Delaware Logistics

Home2021-03-01T19:49:54+00:00

Welcome to Duffield Civil Engineering: We are specialists in civil and environmental engineering projects

Today’s landscape and structural engineering projects are complex and, in addition to civil and environmental engineering, our services include architecture engineering, geotechnical engineering, wastewater engineering, and materials testing. We are past the days where one person can do it all. Various specialties need to be utilized in order to get you across the finish line. Duffield is a civil engineering company serving PA, MD, NJ, & DE. We are large enough to provide all of these diverse services, yet small enough to know each other personally which helps us to easily and routinely collaborate across our disciplines to resolve your project’s civil engineering, environmental, and science needs.

News

1205, 2021

GeoInsight Joins Hull, Duffield and HSW!

May 12th, 2021|

GeoInsight, Inc. (www.geoinsight.com, “GeoInsight”), a New England-based environmental and engineering consulting firm has joined Hull & Associates (Hull), Duffield Associates (Duffield), and HSW Consulting (HSW), as part of a national platform of companies focused in the industrial, real estate, energy, technology, transportation, and government sectors. The combined platform now includes [...]

Enhancing our community one project at a time. Small enough to collaborate. Large enough to be technically diverse. Diverse thinking and collaboration leverage value.
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