Duffield Associates, Inc.

  • Engineering
5400 Limestone Rd.
Wilmington, DE 19808-1232
(302) 239-6634
(302) 239-8485 (fax)
  • About

    Today’s projects are complex and 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 large enough to pr

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