We Are Creative Structural Engineers

operating nationally in support of the entire building lifecycle:

Est. 1981

O’Donnell & Naccarato leverages 38 years of experience to design new buildings, renovations, retrofits, expansions, and restorations of all types and levels of complexity. As a partner to design professionals and building owners alike, our services are designed to enhance each facility’s value and extend useful life. From new healthcare facilities to industrial buildings, historic restorations, and fit-outs — our engineering experience is diverse in scope and spans every major vertical construction sector. → View Projects

Services

New Buildings

  • Structural Design
  • Condition Assessment
  • Parking / Functional Design
  • Seismic Evaluation
  • Feasibility Study
  • Peer Review

Existing Buildings

  • Adaptive Reuse
  • Additions
  • Vertical Expansion
  • Interior Renovation
  • Facility Assessment
  • Emergency Response

Facades & Garages

  • Philadelphia Facade Inspection Ordinance-Compliant Assessments
  • NYC DOB-Compliant Assessments
  • Condition Assessment
  • Repair / Restoration Design
  • Historic Preservation

Leadership

Anthony Naccarato, PE, SECB

President

Mark Lunden, PE, SECB

Vice President

Dennis Mordan, PE, SECB

Vice President

Paul Panzarino, PE

Vice President

Rod McComas, PE, SE

Vice President

Scott Bauer, PE, SE, SECB, LEED AP

Principal

James Behler, PE, SECB

Principal

Michael Herrmann, PE, SECB

Principal

Alan Miller, PE, SECB

Principal

Mark Orsini, PE, SE

Principal

Brian Rawlings, PE, SECB

Principal

Melissa Pastras-Brugler, MBA, PHR, SHRM-CP

Director of Finance

Robert Franco, PE

Regional Director

Tom Miltner, PE

Regional Director

Tuna Yelkikanat, PE, LEED GA

Regional Director
Bill and Pete, 1988

Foundation

O&N’s predecessor Seymour Greenberg opened in Philadelphia in 1954 later welcoming Principals William O’Donnell and Peter Naccarato. In 1981 the firm adopted its current name and set a foundation for national growth. Today O&N’s Philly headquarters office is supported by two Mid-Atlantic branch offices, a Midwest office, and O’Donnell & Naccarato Structural Engineers, a Manhattan-based corporate affiliate founded by O&N Principals to serve projects in New York State.

Our Mission

O’Donnell & Naccarato is dedicated to using a progressive design and team oriented approach to provide structural engineering services that contribute to the success of our clients, employees and community.

Our Vision

We seek to realize our mission by providing a supportive, engaging and team-oriented atmosphere for our employees and clients which is rooted in pro-active internal and external communication. We expect to realize a fair return for our efforts and, as an ESOP (Employee Stock Ownership Plan) firm, provide the opportunity for all employees to share in the prosperity of the firm. O’Donnell & Naccarato’s vision is to extend our vast experience and positive reputation in structural engineering to be an industry leader through outstanding:

  • Project Creativity
  • Efficiency
  • Technical Prowess
  • Delivery
  • Client Relationships

Our Values

  • Excellence in Structural Engineering
  • Quality Service
  • Proactive Communication
  • Teamwork
  • Unwavering Integrity
  • Progressive Approach
  • Being and Developing Leaders
  • Retaining and Recruiting High-Quality Personnel

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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