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

Experience the Difference

Inspired and purposeful designs to enhance and connect communities.
Tulsa, OK

Collaborative structural engineering for architects and contractors.
Beaufort, SC
Quality service. Technical expertise.
Charleston, SC

Solutions from Concept to Reality & Beyond
Fairfax, VA

Building Relationships
Tampa, FL+2
Transportation Structures and Bridge Design and Superstructure Replacement.
Towson, MD

Engineers That Actually Listen
Dover, DE

Delivering Impactful Projects That Are Key To The Region's Economic Growth

Geotechnical engineering consulting for retaining wall design
Louisville, KY

Insightful, cost-saving solutions for buildings and infrastructure
Brentwood, NH+1

Building Trust. Engineering Partnerships.
Albertville, AL
Design, Analysis, Fabrication, Testing
Murrieta, CA

Aircraft Structural Analysis and FAA Data Approvals
Miami, FL

Providing civil, structural, and marine engineering solutions for Texas Gulf Coast communities
Dickinson, TX

Precision in Architectural Design, Excellence in Engineering

Transportation Engineering and Roadway Design.

Providing Quality Engineering Services For Over 100 Years
Latrobe, PA+7

People Creating Places for People
Omaha, NE+8

Designed to Amaze, Engineered to Last®
New York, NY

Structural Engineering and Civil Engineering.
Scranton, PA+2

Engineering expertise. Easy communication. Collaborative solutions.
Edina, MN

From Start-to-Finish with Real People in Mind
Gouverneur, NY