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Duffield Associates, Inc. 

 
 


Hours of Operation: Mon-Fri. 7:30am - 5:30pm EST

Emergency Service 24/7 302.239.6634

E-mail: Duffield@duffnet.com

 
Delaware

Corporate Headquarters
5400 Limestone Road
Wilmington, DE 19808

Georgetown, DE
Pennsylvania

Philadelphia, PA

Cumberland Geoscience Consultants
A Division of Duffield Associates

New Jersey


Maryland

Cape May Court House, NJ


North East, MD

Wilmington, DE       Georgetown, DE        Philadelphia, PA        Carlisle, PA         Cape May Court House, NJ       North East , MD
302.239.6634              302-854-0100             215-545-7295           717-245-9100                       609-463-0019                 410-287-0030