Willdan Group, Inc. (NASDAQ: WLDN) is a leading national provider of professional technical and consulting services in the energy and infrastructure markets. The company offers a comprehensive suite of solutions focused on energy efficiency, demand response, renewable energy integration, and system optimization. Through its Energy Services segment, Willdan develops customized programs for utilities and government agencies to help manage peak load, reduce energy consumption, and integrate distributed energy resources. Its Infrastructure Services segment delivers engineering, planning, and inspection services for public works projects in areas such as transportation, water resources, and building systems.
Founded in 1964 and headquartered in Anaheim, California, Willdan has built a reputation for delivering tailored, data-driven solutions to clients across the United States and select international markets. Over the years, the company has expanded its service offerings through strategic acquisitions and organic growth. Notable additions to the portfolio include firms specializing in electrical engineering, civil engineering, and survey services, which have enhanced Willdan’s ability to support complex design and construction projects for municipal, state, and federal clients.
Willdan’s client base spans investor-owned utilities, municipal electric and gas utilities, energy service companies, commercial and industrial end users, property owners, and public agencies. The company’s energy efficiency programs encompass residential, commercial, and industrial sectors, while its demand response initiatives provide real-time grid management services. On the infrastructure side, Willdan engineers and inspects roads, bridges, water and wastewater facilities, and building systems, ensuring compliance with regulatory standards and helping to extend asset lifecycles.
Under the leadership of President and CEO Gregory E. Roth, Willdan emphasizes a decentralized operating model that empowers regional offices and specialist teams to deliver local expertise with national reach. The company’s management team includes seasoned professionals in finance, engineering, program management, and regulatory affairs, all committed to advancing sustainability and resiliency. With a focus on innovation and technology, Willdan continues to refine its offerings—leveraging advanced data analytics, remote monitoring, and digital platforms—to address evolving energy and infrastructure challenges.
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