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The City of Portland, Oregon

Sustainability at Work

Providing free tools and expertise to achieve your goals

Phone: 503-823-7037


Environmental Science Associates (ESA)


Founded in 1969, Environmental Science Associates (ESA) specializes in providing environmental planning and design, engineering, and landscape architecture services. As a 100% employee-owned business with 500 employees, ESA has been serving the Northwest for over 25 years from offices in Portland, Bend, and Seattle. ESA was ranked by the Environmental Business Journal and CE News as one of the “Best Environmental Firms to Work For.” Principles of sustainability are seamlessly woven into the ESA business plan and company culture.

Gold certification

  • ESA reimburses employees up to $70 per month for cycling or using alternative transportation.
  • The ESA Portland office has signed up as a Green Street Steward and adopted three stormwater gardens in their neighborhood. 
  • The ESA Portland office started a volunteer-run composting program in 2017.

ESA Greenstreet Team


819 SE Morrison St., Suite 310, Portland, OR 97214