Find the right engineering partner.

Willdan transitions communities to clean energy and a sustainable future

Anaheim, CA+1

Building a World of Difference®

Clean technology for a greener future.

Princeton, NJ

Leading the global energy transition as a full-service energy partner

Design and build solutions for a better tomorrow.

Boise, ID

Engineer Procure Construct (EPC)

Charlotte, NC+2

Changing the World Since 1977

Amherst, NY

Sustainable Engineering Solutions for the Biogas and Process Industries

Warrendale, PA

Making a world of difference

Power Engineering and Engineering Design.

Boerne, TX+2

Pioneering Energy Excellence

Galliano, LA

Building Tomorrow Since 1884

Omaha, NE

In Pursuit of Clean Energy

Chicago, IL

Industrial EPC and engineered systems.

Mighty in Scale. Meticulous in Detail.

East Windsor, NJ+1

Premium Suppliers of Engineering, Procurement and Construction Management Services

Mt. Vernon, IN+1

Focused on the Future

Walpole, MA

Electrical Engineering and Consulting Services

Chattanooga, TN

Certainty of Outcome, Cost and Schedule

Jacksonville, FL+14

Turnkey EPC Substations and Factory-Built Substations.

Pineville, LA

Comprehensive engineering, construction, maintenance, turnarounds, and specialty services for industrial facilities.

Baton Rouge, LA+3

Experts in Energy Performance Solutions

Denver, CO