Company Story
1964 - Willdan Group, Inc. was founded as an engineering firm in Anaheim, California.
1970 - The company went public with an initial public offering (IPO).
1980 - Willdan expanded its services to include energy efficiency and environmental consulting.
1990 - The company acquired several firms, expanding its presence in the western United States.
2000 - Willdan began providing services to the federal government, including the U.S. Department of Energy.
2004 - The company acquired several firms, expanding its presence in the eastern United States.
2014 - Willdan acquired several firms, expanding its presence in the Midwest and Northeast regions.
2015 - The company acquired 360 Energy Engineers, expanding its energy efficiency services.
2017 - Willdan acquired Genesys Engineering, expanding its engineering and design services.
2019 - The company acquired The Weidt Group, expanding its energy efficiency and sustainability services.