What departments does O'Donnell & Naccarato have?

O'Donnell & Naccarato has employees across 4 departments including Entrepreneurship, Analytics, Accounting, Administrative.

What is the largest department at O'Donnell & Naccarato?

The largest department at O'Donnell & Naccarato is Entrepreneurship with 1 employees.

Where are O'Donnell & Naccarato employees located globally?

O'Donnell & Naccarato has employees across 1 continents and 1 countries including United States Of America.

How has O'Donnell & Naccarato's team size changed over time?

O'Donnell & Naccarato's team has decreased from approximately 52 to 51 employees based on available data.

O'Donnell & Naccarato Employee Directory

Engineering ServicesPennsylvania, United States51-200 Employees

O'Donnell & Naccarato is a structural engineering practice based in Philadelphia, Pennsylvania. Founded in 1981 as a three-person operation, it has grown into a national firm with ten offices across the United States. The firm delivers structural solutions for buildings across all construction market sectors on projects located nationwide.

Its work spans diverse building types and market segments, reflecting a nationwide reach in the United States. The company is positioned as a national provider of structural engineering services within the industry, emphasizing collaborative design and technical reliability. In 2026 the firm expanded its footprint with the opening of an office in Durham, United Kingdom, signaling geographic growth beyond its domestic market.

O'Donnell & Naccarato Global Highlights

North America
106

United States Of America
106

O'Donnell & Naccarato's Leadership

D. S.
President
Mobile Phone
Email
N.
President
Mobile Phone
Email
N. C.
President Emeritus - Principal
Mobile Phone
Email
V. G.
Owner
Mobile Phone
Email
D. B.
Senior Associate/Regional Director
Mobile Phone
Email
G. Y.
Senior Bim Manager
Mobile Phone
Email
S. S.
Accounts Payable And Purchasing Manager
Mobile Phone
Email
P. P.
Principal
Mobile Phone
Email

O'Donnell & Naccarato Employee Metrics

100%

50%

0%

2026

2025

Arts & Design
Program & Project Management
Administrative
Community & Social Services
Accounting
Other

Contact profiles from O'Donnell & Naccarato

Name

Title

Contact Info

Location

Last Update

D. S.
President
Mobile Phone
Email
Oct 22, 2024
N.
President
Mobile Phone
Email
Oct 22, 2024
N. C.
President Emeritus - Principal
Mobile Phone
Email
Jul 07, 2024
V. G.
Owner
Mobile Phone
Email
Oct 22, 2024
D. B.
Senior Associate/Regional Director
Mobile Phone
Email
Mar 30, 2026
G. Y.
Senior Bim Manager
Mobile Phone
Email
Nov 14, 2025
S. S.
Accounts Payable And Purchasing Manager
Mobile Phone
Email
Jul 17, 2026
P. P.
Principal
Mobile Phone
Email
Jun 29, 2026
T. C.
Associate
Mobile Phone
Email
Oct 24, 2025
G. N.
Administrative Assistant
Mobile Phone
Email
Mar 19, 2026

Frequently Asked Questions

What is O'Donnell & Naccarato known for?

O'Donnell & Naccarato was founded in 1981 operates in the Engineering Services industry; you can contact the main corporate office by phone at

+1-215-925-****

. Explore O'Donnell & Naccarato's company overview page for more information.

What is O'Donnell & Naccarato's most common email format?

O'Donnell & Naccarato employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more O'Donnell & Naccarato email formats with LeadIQ.

How many employees does O'Donnell & Naccarato have currently?

O'Donnell & Naccarato has approximately 111 employees as of July 2026. These team members are located across 1 continents, including North America.

Who are O'Donnell & Naccarato's key employees and leadership?

As of July 2026, O'Donnell & Naccarato's key employees include:

President: D. S.
President: N.
President Emeritus - Principal: N. C.
Owner: V. G.
Senior Associate/Regional Director: D. B.

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O'Donnell & Naccarato Employee Directory

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