JOIN US SEARCH LOCATIONS CONTACT DEA HOME WHO WE ARE WHAT WE DO SOLUTIONS NEWS Welcome to effective communication. DEA named #1 Healthiest Employer in Washington (Midsize), #1 Healthiest Employer in California (Small), and #10 Healthiest Employer in Oregon! Read more At DEA, we are creating a different future: Engineers, surveyors, planners, hydrographers, landscape architects, and natural resources scientists working together to improve the quality of life while demonstrating stewardship of the built and natural environments. Welcome to David Evans and Associates, Inc. FEATURED PROJECT Snoqualmie Falls Hydroelectric Redevelopment LEARN MORE 12 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