David Evans and Associates, Inc. (DEA) is an employee-owned consulting engineering firm founded in 1976. Headquartered in Portland, Oregon, the company operates more than 30 offices across nine states, with a significant presence in Southern California. It employs over 1,000 professionals and is consistently ranked among the ENR Top 100 Pure Design firms in the United States.
DEA provides technical services across a range of domains, including subdivision design, structural engineering, construction inspection, natural resources, GPS surveying, hydrographic survey, and Geographic Information Systems (GIS). Its work spans the land development and public sector industries.
As an employee-owned corporation, the firm emphasizes hiring experienced professionals and providing them with autonomy and support. The company's scale and technical breadth position it as a mid-to-large player in the American consulting engineering market.
