• View of Equus Corporate Headquarters from parking lot | structural engineering firm | O’Donnell & Naccarato
    Dedication to Quality Structural Engineering
  • Front view of office building | structural engineering firm | O’Donnell & Naccarato
  • Front view of Cristo Rey Philadelphia High School building | structural engineering firm | O’Donnell & Naccarato
  • Façade of Penn Medicine Cherry Hill hospital | structural engineering firm | O’Donnell & Naccarato

Who We Are

2 people with harnesses on, smiling at camera in front of building | O’Donnell & Naccarato

Spotlight Project

View of Wills Eye Hospital Philadelphia | O’Donnell & Naccarato

Recent News

Dedicated to Quality Structural Engineering

O’Donnell & Naccarato is a creative consulting structural engineering firm operating nationally to support the entire building lifecycle. As creative structural engineers, we strive to provide the most in-depth analysis to support each building’s unique architectural expression and purpose.

Our Projects

Spotlight Projects

Philadelphia, PA
701 Market Street,
Suite 6000,
Philadelphia, PA 19106
Mountainside, NJ
200 Central Avenue,
Suite 202,
Mountainside, NJ 07092

Locations

New York, NY
40 Worth Street,
Suite 301,
New York, NY 10013
Carmel, IN
1717 East 116th Street,
Suite 200,
Carmel, IN 46032

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