Find the right engineering partner.

Your Renewable Energy Partner

Madison, WI

In Pursuit of Clean Energy

Chicago, IL

Pioneering Energy Excellence

Galliano, LA

One Orbital. Every Solution.

Turn-key project solutions, done right.

Civil Engineering and Municipal Engineering.

Sioux Falls, SD+1

Changing the World Since 1977

Amherst, NY

Design and build solutions for a better tomorrow.

Boise, ID

Build On Our Experience

Billings, MT

Engineer Procure Construct (EPC)

Charlotte, NC+2

World-Class EPC Services, Built for Your Success

Premium Suppliers of Engineering, Procurement and Construction Management Services

Mt. Vernon, IN+1

One-stop engineering and project management services throughout the project life cycle.

Chicago, IL

Industrial Electrical, Automation & Solar Contractor

Goodhue, MN+2

Power Engineering and Engineering Design.

Boerne, TX+2

Willdan transitions communities to clean energy and a sustainable future

Anaheim, CA+1

Turnkey Industrial Dust Collection and Vacuum Systems

Willoughby, OH

Multidisciplinary engineering, procurement, and construction management solutions

Hillsboro, OR

Driven By Energy.

La Vista, NE+1

Energy Solutions for the World Ahead

Exeter, NH

Higher Standards. Better Results.

Cincinnati, OH+3

EPC / Design-Build and Self-Perform Construction.

Indianapolis, IN+7