Principal Engineering, Inc.
Improving the PRINCIPAL Infrastructure of our World
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Find the right engineering partner.
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Explore capabilities, project experience, and office locations to build your shortlist.
Improving the PRINCIPAL Infrastructure of our World
Civil & Structural Engineering
Bellevue, WA
Trusted advisors serving our clients nationwide
Brookfield, WI+5
Beyond the Structure...
Luxemburg, WI+2
Pursuing Excellence Together
Centennial, CO+1
Multidisciplinary Engineering Centered on Solutions
Branford, CT
Innovating Today, Inspiring Tomorrow.
Houston, TX+2
Engineering done differently
Seattle, WA
Structural engineering for buildings, infrastructure, and waterfront structures
Virginia Beach, VA
Expert Engineering, Design, and Construction Management Solutions
Princeton, NJ+2
Inspiration + Integrity + Innovation
Honolulu, HI
Designing buildings with purpose and impact.
Las Vegas, NV
Mechanical, Electrical, Plumbing, Fire Protection, Structural
Communities Built by Inspired Engineering
Seattle, WA
Service | Innovation | Quality | Sustainability | Safety
Economic and sustainable designs, professionals you know and trust
Sandy, UT
Enduring Design & Engineering for the islands
Hagatña, GU+1
Design. Build. Operate.
Grand Rapids, MI+10
Many Disciplines One Team
Bringing Vision to Reality Since 2014
Irvine, CA+2
Civil Engineering and Commercial Site Planning & Design.
Newport, ME
Built for Strength. Designed for Safety.
Springfield, VA
Structural engineering for residential, commercial, industrial, and coastal projects
Newport Beach, CA
Building Tomorrow's Solutions Today
Wichita, KS+9