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Established in 2025, O’Donnell & Naccarato expanded our Midwest presence with a new structural engineering firm in Cleveland, Ohio. Contact Us ...

Established in 2023, O’Donnell & Naccarato expanded our national footprint with a structural engineering firm in Columbus, Ohio. Contact Us ...

O’Donnell & Naccarato acquired Miami, Florida-based structural engineering firm Douglas Wood Associates, Inc. in late 2022. Founded in 1992, Douglas Wood...

In 2022, O’Donnell & Naccarato established a structural engineering firm in Indianapolis, Indiana. In 2019, O’Donnell & Naccarato established an office...

Established in 2013, O’Donnell & Naccarato’s structural engineering firm in Mountainside primarily serves North Jersey projects and is located 20 miles west of...

Founded in 2015 by O&N Principals, O’Donnell & Naccarato Structural Engineers is a structural engineering firm in New York. The Manhattan-based corporate...

In 2022, O’Donnell & Naccarato established a structural engineering firm in Orlando, Florida. This office handles projects in and around the Orlando metro...

Established in 1981, O’Donnell & Naccarato is a structural engineering firm in Philadelphia. The Philadelphia headquarters is the firm’s largest office and acts...