
Pennoni
Partners for What's Possible
Philadelphia, PA
Explore capabilities, project experience, and office locations to build your shortlist.

Partners for What's Possible
Philadelphia, PA
Consulting Engineers Since 1915
Building Strong Communities Through Engineering Excellence
Chicago, IL

Building a Better Future for New Orleans
New Orleans, LA

Large-Firm Resources. Personal Attention.

Building A Solid Foundation Through Excellence
Orlando, FL+2

Balancing economic, environmental, and community needs
Asheville, NC

Engineering with Integrity, Professionalism, and Reliability
Payette, ID+1

Delivering civil engineering design, permitting services, and project management in the Pacific Northwest
Tacoma, WA+2

A Century of Engineering Service
Greenville, NC+1

The Vision to Transform with Excellence
Chicago, IL+12

Bridge Engineering and Bridge Replacement & Rehabilitation.
Sacramento, CA+5
Enhancing communities and the built environment.
San Francisco, CA+1

Geotechnical, Civil, and Structural Engineering Across California and the Western States
Santa Ana, CA

Reach your project's goals on time, on budget, and with confidence.
Brownsburg, IN

Broad Vision. Expert Focus.
Thibodaux, LA+8

Engineering Excellence Every Time

river + riparian + wetland + wildland
Flagstaff, AZ

Bridge and Structural Engineering and Structural Bridge Design.
Columbus, OH+2

Expect More. Experience Better.
Raleigh, NC+7

Civil Engineering, Land Surveying, Aerial Mapping, Construction Administration, 3D Machine Controlled Modeling, and 3D Laser Scanning
Omaha, NE+3

Providing Engineering and Architecture Services Since 2002
Parker, CO

Civil Engineering and Land Use Master Planning.
St. George, UT