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

Engineering. Technology. Research.

Structural Engineering Consultants
Macon, GA+2

Civil & Structural Design & Engineering
Newport, RI+1
Geotechnical Engineering and Shallow and Deep Foundation Design.
Hialeah Gardens, FL

Consulting engineering and special inspections
Greensboro, NC

One Stop Shop
San Antonio, TX+1

Pursuit of Excellence

Engineering Solutions Across Industries, Built on Precision
Nationwide Retaining Wall Design Services
Woodstock, GA
Engineers, Architects, and Reserve Specialists
Warren, NJ+14

Project Management and Clerk-of-the-Works and Forensic Engineering.
Richmond, VA

Fresh Perspective. Innovative Solutions.
Tulsa, OK

The Biggest Risk Is a Missed Opportunity.
Lynn, MA

Innovative geotechnical, forensic structural, and materials testing services throughout Florida.
Tampa, FL+2

Forensic and Engineering Services and Failure Investigations.
Austin, TX

Providing Quality Design and Engineering Services in a Family-Oriented Environment
Tampa, FL

Structural Engineering and Architectural Buildings.
Jacksonville, FL

Engineering Solutions for Success
Kalispell, MT+1

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

Structural & Forensic Engineering
Golden, CO+1

Structural Engineering and New Building Structural Design.
Iselin, NJ

Structural Engineering for New and Existing Structures
Methuen, MA

Providing Structural Engineering Services For Over 40 Years
Margate, NJ