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

The Nondestructive Experts

Professional planning, design, and forensic engineering services
Apalachin, NY+1

Engineering Practical, Diverse, Structural Solutions
Portland, OR

Transforming Project Ideas into Remarkable Realities.
La Marque, TX

Full-service structural and forensic engineering services
Coral Springs, FL
Structural Analysis and Design and Precast Concrete Detailing.
Albuquerque, NM
Innovating Today, Inspiring Tomorrow.
Houston, TX+2

Geotechnical Engineering and Seismic Cone Penetration Testing (SCPTu).
Powhatan, VA

Multi-disciplinary engineering and environmental consulting
Pittston, PA
The Face Of Certainty In A Complex World
Chicago, IL+10
Structural design and construction engineering services for public and private infrastructure
Tarrytown, NY

Structural Engineering in Texas
San Antonio, TX

Structural Engineering and Forensic Engineering.
Mountain Lakes, NJ+1

Depend on us for honest service
Rochester, NY

We know the science behind your concrete.
Mendota Heights, MN

Custom Engineered Decks and Commercial Design.
Raleigh, NC

Structural Integrity - Collaborative Solutions
Scottsdale, AZ+2
Civil Engineering and Feasibility Studies.
Wilmington, DE

Structural Engineering and Structural inspections.
Newark, DE
Engineering for bottom line results.

Over 50 Years of Engineering Excellence
Rancho Santa Margarita, CA

Architectural Services and Custom home design.

Structural Engineering and Residential Foundation Design.