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Willdan Energy Services

Professional Services|Energy Management


Founded in 1964, Willdan Group, Inc. is a leading nationwide provider of value-added professional technical and consulting services. The primary markets Willdan serves are: energy; infrastructure and transportation; municipal engineering, planning, and staff augmentation; economic and financial analysis; and homeland security and emergency management. The company serves these four complementary markets through its four service segments — engineering (Willdan Engineering), energy efficiency (Willdan Energy Solutions), public finance (Willdan Financial Services) and homeland security (Willdan Homeland Solutions). Willdan has a reputation for delivering high-quality projects on time and within budget. Rooted in Willdan’s corporate culture is its focus on quality customer service. The company has more than 800 employees, including licensed en

Why We're Green

Willdan develops and implements comprehensive energy solutions nationwide for utilities, commercial entities, and all levels of government.  We help our clients realize cost and energy savings by tailoring solutions that serve vertical markets such as data centers, healthcare, lodging, and schools; providing energy reduction plans for large end-user commercial facilities and multi-family residences; and developing and implementing cutting-edge cost-effective measures for small businesses.


Contact Us

(425) 482-0761

19012 61st Ave NE, Arlington, Washington