Find the right engineering partner.

Engineering and project management for power and energy projects

Engineering Tomorrow

We make what you do possible.

Bakersfield, CA

Performance Guaranteed

Lakewood, CO

Excellence in Execution

Lakewood, CO+1

Consider It Done.

Houston, TX

Innovation. Engineering. Construction.

Willdan transitions communities to clean energy and a sustainable future

Anaheim, CA+1

A Premier Systems Integration Partner

East Windsor, NJ+27

In Pursuit of Clean Energy

Chicago, IL

Your Renewable Energy Partner

Madison, WI

Delivering Innovation

Houston, TX+2

We Shape the New Era

Houston, TX

Engineered solutions. Inspired execution.

Ames, IA

Providing value-added engineering and EPC delivery throughout the project cycle

Houston, TX

Engineering with Distinction

Billings, MT

Solving the Toughest Challenges for Emerging Technology Developers

Sudbury, MA

Changing the World Since 1977

Amherst, NY

Experts in Energy Performance Solutions

Denver, CO

Precise. Responsive. Solutions.

Hummelstown, PA

Industrial EPC and engineered systems.

Engineering Simplified

Denver, CO+1