McComas/O’Donnell & Naccarato is a national structural engineering firm registered in 45 states. Our principal focus is structural engineering for buildings, building-related structures and specialty structures. Specialty engineering includes university & community swimming pools, mausoleums & funeral homes, precast concrete wall panel design & erection, cold-formed-steel, building components and temporary structures.
In 2022, O’Donnell & Naccarato established a structural engineering firm in Indianapolis, Indiana. In 2019, O’Donnell & Naccarato acquired the Indiana-based engineering firm McComas Engineering. Since 1991, McComas, now known as McComas / O’Donnell & Naccarato, has earned a reputation for managing complex projects across the Midwest and beyond. The office is led by Vice President Rod McComas, PE, SE and Regional Director Tom Miltner, PE.