David Evans & Associates Inc

Portland, OR, United States


Our clients expect insightful solutions. And at David Evans and Associates, Inc. (DEA), we take client expectations seriously. Since the founding of our professional services consulting firm in 1976, our people have provided real solutions for projects large and small. Within one company we offer clients a broad range of capabilities and experience and complementary skills and talents. The philosophy of our founder, David F. Evans, PE, PLS, is to hire outstanding professionals and give them the freedom and support to do what they do best. For more than three decades, we have been engaging the expertise of professional engineers, surveyors, hydrographers, planners, architects, landscape architects, natural resources scientists, and construction managers, growing from two people to more than 950 people serving clients across the western United States. In support of project work, technology is an important aspect of our firm. New resources and approaches, including advanced systems and equipment, help us to quickly reach better solutions. Today, DEA is a national leader in sustainable design and management solutions. We provide clients with award-winning approaches to transportation, energy, water resources, and land development design, planning, and management. Our firm is consistently ranked among ENR's “Top 100 Pure Design Firms” in the United States and is a leader in its local markets.



David Evans and Associates, Inc. has been providing geospatial services to our clients for over 20 years. Our multidisciplinary team includes geographic information systems, surveying, and engineering professionals. Our staff utilizes Esri technology to help solve complex problems and make informed decisions on projects from the conceptual stage to implementation.

Services Provided:

Application Development, Business Case Development, Data Conversion/Migration, Data Model & Database Design, GIS Strategy and Planning, Implementation, Needs and Requirements, System Architecture and Design, System Integration