Find the right engineering partner.

Reliable. Responsive. Solutions.

Irvine, CA+5

Leaders in Design, Construction, and Environmental Services

Raleigh-Durham, NC

Willdan transitions communities to clean energy and a sustainable future

Anaheim, CA+1

Making Communities Better

New York, NY

Energy-as-a-Service for AI and industrial infrastructure.

Engineering Design and Transportation Design.

Expertise Integrity Reliability

Bradenton, FL

Build On Our Knowledge!

Engineering the Success of Our Communities

Elgin, IL+3

Structural Engineers

Columbia, MD

Connect. Create. Contribute.

Muscatine, IA

Fire Protection Expertise.

Mobile, AL

Master Planning and Conceptual Design.

Cranston, RI+1

Geotechnical, Environmental, Surveying & Materials Testing Services

Greenville, SC+3

Architects, Engineers, and Interior Designers

Green Bay, WI+1

we'll make it last

San Juan, PR

Delivering Solutions That Matter.

Boston, MA

Engineering harmony between the natural and built worlds.

Columbus, OH

Design Engineering and HVAC Engineering.

Dayton, OH

Leading community-centered, sustainable projects across the country.

Chicago, IL

Integrity. Innovation. Partnership.

New York, NY+2

Trusted. Certified. Building Vibrant Futures.

Elkridge, MD