Exceptional Service
Extending The Life Of
The Built Environment
Thoughtful Preservation
Driven By The Challenge

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WHO WE ARE

Joseph B. Callaghan, Incorporated, established in 1967, is a structural engineering

firm serving corporations, government agencies, institutions, industrial facilities, legal

and other design professionals. The firm is committed to providing innovative

solutions to clients at every stage of a structure’s life span.

WHO WE ARE

Joseph B. Callaghan, Incorporated, established in 1967, is a structural engineering

firm serving corporations, government agencies, institutions, industrial facilities, legal

and other design professionals. The firm is committed to providing innovative

solutions to clients at every stage of a structure’s life span.

Current Projects

  • Holy Trinity Church

    Holy Trinity Church

    Wilmington, DE
  • Princeton University

    Princeton University

    Princeton, NJ
  • St. Mary’s Episcopal Church

    St. Mary’s Episcopal Church

    Wayne, PA
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