What We Do Joining our clients to make a positive difference: DEA is a recognized leader in the design and management of complex transportation, land development, water resources, and energy projects nationwide. W e combine the talents of engineers, surveyors, planners, hydrographers, landscape architects, and natural resources scientists to provide our clients access to a complete range of services. DEA is consistently ranked among Engineering News Record’s Top 100 Pure Design firms in the U.S., and among leaders in many of our local markets. Who We Are History Core Ideology Leadership Stewardship Locations Contact DEA What We Do Energy Land Development Transportation Water and Environment Surveying and Geomatics Marine Services Solutions Alternative Project Delivery Construction Engineering Energy Development Engineering Landscape Architecture Environmental Planning and Compliance Planning Project Management News Awards Rankings Join Us Our People Current Openings Benefits Subconsultants and Vendors David Evans and Associates, Inc., 2100 S. River Parkway, Suite 100, Portland, OR 97201 :: 800.721.1916 Copyright © 1996-2021 David Evans and Associates, Inc. All rights reserved. :: Terms of Use | Privacy Policy