Willdan Group, Inc. WLDN

Company Overview

Willdan Group, Inc. is a U.S.-based professional, technical, and consulting services company that primarily operates in the infrastructure, energy efficiency, engineering, and public sector advisory markets. The company provides engineering, energy, sustainability, and financial consulting services to utilities, government agencies, municipalities, private industry, and institutional clients. Willdan’s operations are concentrated in sectors tied to energy transition, grid modernization, building efficiency, water infrastructure, and public infrastructure planning. Its core revenue drivers include utility-sponsored energy efficiency programs, engineering and planning services, and outsourced technical consulting engagements.

Founded in 1964, Willdan initially focused on engineering and municipal consulting services for California public agencies before expanding nationally through acquisitions and diversification into energy and sustainability services. Over time, the company evolved from a regional engineering consultancy into a broader infrastructure and energy solutions provider. A significant portion of its strategic growth has been driven by acquisitions and the expansion of long-term utility and government contracts tied to decarbonization, resiliency, and energy management initiatives.