Principal Engineering, Inc.
Improving the PRINCIPAL Infrastructure of our World
Explore capabilities, project experience, and office locations to build your shortlist.
Improving the PRINCIPAL Infrastructure of our World

Comprehensive Civil and Environmental Engineering Consulting Services
West Jordan, UT

Engineering the Future
Baton Rouge, LA+3

Framing Solutions for Today's Challenges
Colorado Springs, CO+2

Environmental Consulting and Environmental Site Assessments.
Altoona, PA

Expert Engineering Services

Business Leadership Through Environmental Performance
Designing smart to make today better and tomorrow brighter
Bellevue, WA

Innovative Solutions for the Future of Engineering
Danvers, MA

Geotechnical and environmental engineering solutions that balance cost and risk.
San Jose, CA

Innovative Engineering Solutions for Utility Challenges & Needs
Austin, TX+2
Experts in Water
Draper, UT+5
Serving Our Industry Since 1898
Fresno, CA+3

Civil Engineering and Drainage infrastructure design.
Jupiter, FL+8
Helping Our Communities Thrive
Fort Worth, TX

Geotechnical Engineering and Environmental Consulting.
Huntsville, AL
Clean Water, Safe Environment, Healthy Communities, Happy People
Portland, ME+24

Geotechnical Engineering and Drilling Services.
Columbia, SC+2

Delivering High Quality, Efficient Transportation Solutions
New Cumberland, PA+6

Civil and Environmental Consulting Engineers
Augusta, ME

Doctor to the Earth
Guam, GU

Designing for the Future...
Altoona, PA+8
Connecting people, places, and ideas

Empowering People Through Engineering Excellence
Bothell, WA