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Willdan (NASDAQ: WLDN) provides professional consulting and technical services to utilities, public agencies and private industry throughout the United States. Its broad set of complementary disciplines span energy efficiency, distributed energy resources and software, engineering and planning, public finance and economic consulting. Willdan provides integrated technical solutions to extend the reach and resources of its clients, and provides all services through its subsidiaries specialized in each segment. Since our establishment in 1964, Willdan has grown significantly, employing 1,560 dedicated professionals (excluding contractors) as of December 31, 2021, and achieving an impressive annual Contract Revenue exceeding $350 million. Willdan benefits from long standing, well-established relationships with local and state government agencies, investor-owned and municipal utilities, and commercial and industrial firms throughout the United States. Headquartered in Anaheim, California, Willdan operates from offices in more than 20 states across the US, with its largest operations in California and New York.

Website http://www.willdan.com
Ticker WLDN
Revenue $551.9 million
Funding $318.1 million
Employees 1,167 (646 on RocketReach)
Founded 1964
Address 2401 E. Katella Avenue Suite 300, Anaheim, California 92806, US
Phone (800) 424-9144
Fax (714) 940-4920
Technologies
Industry Management Consulting, Engineering Services, Business Information Systems, Construction and Engineering, Energy Efficiency and Power Engineering, Business Services, Information Technology, Other Energy Services, Civil Engineering and Planning, Civil Engineering, Public Finance Consulting, Science and Engineering, National Preparedness, Consulting, Performance Contracting ESCO, Professional Services, Technical Support
Web Rank 3 Million
Keywords Energy Efficiency, Energy Consulting, Utility Consulting, Energy Management, Sustainability Consulting, Energy Storage, Renewable Energy, Distributed Generation, Energy Audits, Clean Energy, Grid Modernization, Public Agency Consulting, Demand Response, Smart Grid, Power Systems, Technical Consulting, Engineering Consulting, Professional Services, Environmental Consulting
Competitors Deloitte, AECOM, Tetra Tech, Black & Veatch, Weston Solutions, Inc., Golder Peru S.A., TRC Companies, Inc., ICF International, Sierra Energy, World Energy Solutions, Inc. (now part of EnerNOC) +39 more (view full list)
SIC SIC Code 874 Companies, SIC Code 87 Companies
NAICS NAICS Code 541618 Companies, NAICS Code 54 Companies, NAICS Code 5416 Companies, NAICS Code 54161 Companies, NAICS Code 541 Companies

Willdan Questions

The Willdan annual revenue was $551.9 million in 2026.

Vanessa Munoz is the President and CEO of Willdan.

646 people are employed at Willdan.

Willdan is based in Anaheim, California.

The NAICS codes for Willdan are [541618, 54, 5416, 54161, 541].

The SIC codes for Willdan are [874, 87].

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