Business Details
45 Years
experience
National Structural Engineering Solutions
Founded in 1981, O'Donnell & Naccarato has evolved from a 3-person structural engineering firm into a national leader with over 100 professionals across nine offices. Our unwavering commitment to core valuescommunication, quality, innovation, growth, and collaborationdrives our approach to every project. As an employee-owned firm, nearly all staff are ESOP members, fostering a culture of accountability and pride in ownership. We specialize in delivering structural engineering solutions for diverse sectors, including healthcare, education, hospitality, and corporate projects, with expertise in new construction, renovations, and historic preservation. Our technical excellence is evidenced by 49 state registrations, over 2 billion square feet of BIM structures produced since 2006, and responsibility for $6+ billion in annual construction value.We prioritize proactive client communication, innovative use of technology like REVIT and BIM, and sustainable practices, including LEED-certified projects. Our history of landmark projectsfrom high-rise developments to complex healthcare facilitiesreflects our ability to solve challenges creatively while maximizing asset value for clients. Strategic expansions into key markets like New York, Florida, and Ohio strengthen our national reach while maintaining local expertise. Our leadership team, formed through a 2024 reorganization, focuses on long-term growth and market expansion. With a portfolio spanning 40+ years and 3,000+ projects, we remain dedicated to engineering precision, client satisfaction, and community impact.
Services
Structural Engineering
Structural Design
Parking Design
Specialty Engineering
Corporate Projects
Cultural Projects
Education Facilities
Healthcare Structures
Hospitality Development
Historic Preservation
Details
- Year established: 1981
Highlights and features
- 40+ years of experience in structural engineering with 3,000+ completed projects
- Employee-owned firm fostering accountability and client-focused dedication
- Expertise in BIM, REVIT, and advanced structural technologies
- Nationwide presence with localized expertise in 49 states
- Proven track record in complex sectors like healthcare and historic preservation
Services
Structural Engineering
Comprehensive structural engineering for commercial, healthcare, and cultural projects nationwide. Our team delivers innovative solutions for new constructions, renovations, and adaptive reuse. With expertise in BIM and advanced technologies, we ensure precision and efficiency across 49 states.
Healthcare Structures
Specialized engineering for hospitals, clinics, and medical campuses. We address regulatory requirements and functional needs while prioritizing patient care environments. Projects include emergency departments, cancer centers, and LEED-certified facilities.
Historic Preservation
Structural solutions for preserving historic landmarks. Our approach combines modern engineering with heritage conservation, as seen in projects like Miami's Freedom Tower restoration and Philadelphia's campus assessments.
Corporate Development
Engineering services for corporate campuses, office towers, and mixed-use developments. We support workplace innovation through efficient layouts and integration with parking and infrastructure systems.
Education Facilities
Design expertise for K-12 schools, universities, and student housing. Our work enhances learning environments through durable, code-compliant structures like athletic centers and academic buildings.
People
Anthony Naccarato
Chairman & CEO
Leading O'Donnell & Naccarato's strategic vision, Anthony drives growth while maintaining the firm's founding principles of engineering excellence and client partnership since joining in 1981.
Dennis Mordan
President
As President, Dennis oversees daily operations and project execution, leveraging 30+ years of structural engineering experience to ensure technical quality and client satisfaction across all market sectors.
Michael Herrmann
Chief Marketing Officer
Michael leads business development initiatives, strengthening client relationships and expanding the firm's national presence through targeted growth strategies and industry partnerships.
Paul Uhrig
Senior Project Manager
With 25+ years in structural engineering, Paul manages complex healthcare and institutional projects, ensuring technical precision and adherence to strict regulatory standards for critical facilities.
Navid Nemati
Director of Miami Office
Navid leads engineering efforts in Florida, specializing in high-rise and coastal structures while expanding the firm's regional capabilities in healthcare and cultural projects.
Questions
What industries does O'Donnell & Naccarato specialize in?
We serve healthcare, education, corporate, hospitality, cultural, and residential sectors with tailored structural engineering solutions.
Are you licensed in all 50 states?
Our engineers are registered in 49 states, enabling nationwide project execution with localized expertise.
What technology do you use for projects?
We utilize BIM, REVIT, and advanced structural analysis tools to enhance precision and coordination across all project phases.
How does employee ownership benefit clients?
Our ESOP structure fosters accountability, innovation, and long-term commitment to client success through shared ownership principles.
Can you handle historic preservation projects?
Yes, we specialize in restoring landmarks while integrating modern engineering standards, as demonstrated in Miami's Freedom Tower restoration.
What's your experience with LEED-certified buildings?
We've completed multiple LEED-certified projects, including the Holtec International campus and Villanova University's law school building.
