Willdan Group, Inc. Overview
Pro stress-test →Willdan Group provides professional, technical, and consulting services in the United States through two segments: Energy and Engineering and Consulting. The company manages thousands of concurrent projects, from utility energy-efficiency programs and AI data center power solutions to municipal engineering, building and safety, and financial consulting. With ~$1.0 billion in backlog as of January 2, 2026 and 1,814 employees, Willdan is well-positioned to capitalize on growing demand for energy infrastructure modernization and AI-driven grid optimization.
Strategic Profile
Pro stress-test →Since its 2008 acquisition of Intergy Corporation (establishing energy efficiency utility program management) and 2015 expansion into Energy Service Company and Energy Savings Performance Contract services, Willdan has built a diversified portfolio. The March 2025 acquisition of Alternative Power Generation expanded expertise in data center substation design, microgrids, EV charging stations, and renewable energy projects for the commercial sector. Operating in 42 states with over 50 offices, Willdan is strategically positioned to capitalize on projected 50% increase in U.S. electricity demand by 2050, driven by data centers powering AI.
Competitive Landscape
Pro stress-test →Willdan competes with Energy Edge, Sargent & Lundy, Tetra Tech, Jacobs Solutions, and others. The company differentiates through specialized expertise in energy efficiency, grid modernization, AI data center solutions, and municipal engineering—with greater scale than pure-play energy consultants but more specialized than diversified engineering giants.
Industry Context
Willdan Group, Inc. operates in Professional Services & Engineering Consulting.
Key facts
Founded: 1964 · Headquarters: Anaheim, California · Employees: 1814 · Revenue: $652M · Market cap: $1.7B