Joseph B. Callaghan, Inc.
Your Structure. Our Solution.
Philadelphia, PA+1
Explore capabilities, project experience, and office locations to build your shortlist.
Your Structure. Our Solution.
Philadelphia, PA+1

Leading Through Example

Geotechnical Engineering and Foundation and Slab Engineering Design.
Fresno, CA

Designing Buildings For a Resilient & Healthy Future
Edmonds, WA+1

Traffic & Transportation Engineering and Traffic Studies & Analyses.
Reno, NV

Marine Consultants, Engineers, Surveyors, Naval Architects & Appraisers
Tinton Falls, NJ

The Biggest Risk Is a Missed Opportunity.
Lynn, MA

Passionate, Innovative, Design Experts
New York, NY

Resilient by nature.
San Francisco, CA
Motor Vehicle Accident Reconstruction and Vehicle Speed Assessment.
Raleigh, NC

Civil Engineering and Site Development & Grading.
Corvallis, OR+1

Project Management and Claims Consulting
Eastern Massachusetts, MA

Design, Construction, Maintenance, and Commissioning for the Energy Sector
West Chester, PA

Quality & Affordability
Frederick, MD+1

Structural Engineering Design and Design Bid Build Documents.
Reno, NV

Professional. Innovative. Reliable.
San Antonio, TX+1

Structural Design Engineering and New Construction Design.
Falmouth, ME

Engineering simple solutions
Homewood, AL

Structural Engineering and Building Envelope Solutions
New York, NY+3

Civil engineering, land surveying, and septic design specialists in Northern and Central New Jersey.
Budd Lake, NJ

Structural Engineering Consultants
Macon, GA+2

Our signature is excellence
Auburn, CA+4

Preserving Infrastructure, One Solution at a Time.
Centerbrook, CT+12

Bringing the Facts to Light
Orlando, FL