Willdan was created in 1964 by two engineers who shared a vision of solving the challenges in larger communities through engineering. That two-person crew would grow into a national team of over 900 professionals. Today, we are recognized not just for our vast experience in engineering, but also for our innovative energy work and trusted expertise across technical fields.
1999 - Willdan acquired one of the nation's largest municipal finance consultants, MuniFinancial, now Willdan Financial Services, dramatically expanding the breadth of financial consulting it offered to cities, counties, districts and other public agencies.
2001 - Willdan expanded its geotechnical division, adding a certified nuclear lab and new expertise.
2005 - As cities, counties, and other agencies faced an increasing need for homeland security training, planning, and other emergency preparedness services, Willdan created its homeland solutions division.
2006 - Willdan Group, Inc. became a publicly traded company (NASDAQ:WLDN), generating an infusion of resources that would enable it to expand into new areas.
2008 - Willdan acquired Intergy Corporation, now Willdan Energy Solutions, which supplies specialized energy, water, and resource management services to utilities, local and federal government agencies, hospitals, schools, and private enterprises. Willdan now provides innovative and effective solutions for energy efficiency, water conservation, and renewable generation from about a dozen offices across the country.
2015 - Willdan expanded its energy engineering services by acquiring Abacus Resource Management, based in the Pacific Northwest, and 360 Energy Engineers, in the Midwest, bringing strong performance contracting and building engineering capabilities. In 2016, Genesys Engineering P.C. also brought larger-scale power engineering and cogeneration skills in the New York area.
2017 - Willdan acquired Integral Analytics, a recognized leader in data analytics that help utility managers evaluate, plan and dispatch electricity resources more effectively.
2018 - Willdan acquires Newcomb Anderson McCormick Inc. (NAM), an energy engineering and consulting company with offices in San Francisco and Los Angeles that provides clients with mechanical engineering expertise and comprehensive energy efficiency programs and services.
2018 - Willdan announces agreement to acquire Lime Energy, which has delivered energy efficiency programs for 10 of the 25 largest electric utilities and five of the 10 largest municipal utilities in the U.S.
Today - As Willdan enters its second half century, we continue to concentrate on delivering superior solutions to our core market—local and state government agencies, investor-owned and municipal utilities, and private sector, commercial, and industrial firms through the United States.