Tracing our roots to 1954, O’Donnell & Naccarato provides
personalized professional engineering services and
solutions to meet the needs of our diverse clients.
Headquartered in the historic Bourse Building in Philadelphia, Pennsylvania, O’Donnell & Naccarato employs more than 125 professional, technical and administrative personnel in more than six east coast cities.
Under the leadership of Nick Cinalli, PE, SECB,
O’Donnell & Naccarato has grown to be recognized as
the largest consulting structural engineering firm in the Philadelphia area.
