Since its founding in 1976 in Portland, Oregon, DEA has become a recognized leader for progressive and sustainable design and management solutions for complex transportation, land development, energy, and water projects nationwide. DEA’s staff includes professional engineers, surveyors, hydrographers, planners, landscape architects, and natural resources scientists. DEA has 30 offices in 9 states and employs 1000+ people. DEA is an employee-owned corporation and consistently ranks among ENR’s Top 100 Pure Design firms in the U.S.