Find the right engineering partner.

Certainty of Outcome, Cost and Schedule

Jacksonville, FL+14

Bridging the gap between engineering design and operational execution.

Troy, MI

Clean technology for a greener future.

Princeton, NJ

Engineering. Delivered.

Raleigh, NC+1

Electrical Power Engineering You Can Depend on

Lakeland, FL

Independent Engineering for Tomorrow's Energy Projects

In Pursuit of Clean Energy

Chicago, IL

Build On Our Experience

Billings, MT

Multi-discipline consulting engineering and design for heavy industry since 1975.

Portland, OR

Bright ideas, real solutions.

Chicago, IL

Performance Guaranteed

Lakewood, CO

Engineering with Distinction

Billings, MT

Engineering Simplified

Denver, CO+1

Willdan transitions communities to clean energy and a sustainable future

Anaheim, CA+1

Responsibility, Innovation, and Experience at the core of what we do

Pioneering Energy Excellence

Galliano, LA

Sustainable Engineering Solutions for the Biogas and Process Industries

Warrendale, PA

Full-service EPC for energy and heavy industrial projects.

Odessa, TX+6

Engineering Effective Solutions for Heavy Industrial Projects

Denver, CO

Customer Centric. Industry Experts. Inspired Solutions.

Innovation. Engineering. Construction.