Insights

Expanding Market Presence O’Donnell & Naccarato has experienced significant growth from a small local firm to a national provider with over 120 employees across nine offices, indicating a strong potential for expansion and new project opportunities across diverse regions.

Renowned Leadership The firm’s leadership, including award-winning CEO Anthony Naccarato and promoted principals, highlights a focus on industry recognition and stability, making it attractive for clients seeking experienced and reputable engineering partners.

Ongoing Projects & Partnerships Recent collaborations with institutions like Our Lady of Lourdes and strategic hires such as a Director of Parking Design demonstrate active project pipelines and portfolio diversification, signaling ample opportunities for new projects in infrastructure and restoration sectors.

Financial Stability With revenue between 25 to 50 million dollars and a solid client base, the company exhibits financial health and capacity to undertake large-scale projects, providing confidence for partners looking to collaborate on sizable developments.

Technological Integration The firm’s adoption of modern technology stacks including MySQL, Vue.js, and UI frameworks suggests a forward-looking approach that can support innovative design and project delivery, appealing to clients seeking high-tech, sustainable engineering solutions.

O'Donnell & Naccarato Tech Stack

O'Donnell & Naccarato uses 8 technology products and services including MySQL, Vue.js, Element UI, and more. Explore O'Donnell & Naccarato's tech stack below.

  • MySQL
    Database
  • Vue.js
    Javascript Frameworks
  • Element UI
    Javascript Frameworks
  • jQuery
    Javascript Libraries
  • jQuery Migrate
    Javascript Libraries
  • Priority Hints
    Performance
  • MediaElement.js
    Video Players
  • Plesk
    Web Hosting

Media & News

O'Donnell & Naccarato's Email Address Formats

O'Donnell & Naccarato uses at least 1 format(s):
O'Donnell & Naccarato Email FormatsExamplePercentage
FLast@o-n.comJDoe@o-n.com
91%
Last@o-n.comDoe@o-n.com
4%
First.Last@o-n.comJohn.Doe@o-n.com
3%
First@o-n.comJohn@o-n.com
2%

Frequently Asked Questions

Where is O'Donnell & Naccarato's headquarters located?

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O'Donnell & Naccarato's main headquarters is located at 701 Market Street, Suite 6000. The company has employees across 1 continents, including North America.

What is O'Donnell & Naccarato's phone number?

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You can contact O'Donnell & Naccarato's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is O'Donnell & Naccarato's official website and social media links?

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O'Donnell & Naccarato's official website is o-n.com and has social profiles on LinkedIn.

How much revenue does O'Donnell & Naccarato generate?

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As of December 2025, O'Donnell & Naccarato's annual revenue is estimated to be $11M.

What is O'Donnell & Naccarato's SIC code NAICS code?

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O'Donnell & Naccarato's SIC code is 8741 - Management Services NAICS code is 5413 - Architectural, Engineering, and Related Services.

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

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As of December 2025, O'Donnell & Naccarato has approximately 106 employees across 1 continents, including North America. Key team members include Chief Financial & Human Resource Officer: M. P.President: D. M.President: D. S.. Explore O'Donnell & Naccarato's employee directory with LeadIQ.

What industry does O'Donnell & Naccarato belong to?

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O'Donnell & Naccarato operates in the Engineering Services industry.

What technology does O'Donnell & Naccarato use?

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O'Donnell & Naccarato's tech stack includes MySQLVue.jsElement UIjQueryjQuery MigratePriority HintsMediaElement.jsPlesk.

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

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O'Donnell & Naccarato's email format typically follows the pattern of FLast@o-n.com. Find more O'Donnell & Naccarato email formats with LeadIQ.

When was O'Donnell & Naccarato founded?

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O'Donnell & Naccarato was founded in 1981.

O'Donnell & Naccarato

Engineering ServicesPennsylvania, United States51-200 Employees

O’Donnell & Naccarato’s structural engineering practice has grown from a 3-person company in 1981 into a national firm of over 120 people spread over nine offices. O&N provides structural solutions for buildings across all construction market sectors with projects located throughout every part of the United States.

Section iconCompany Overview

Headquarters
701 Market Street, Suite 6000
Phone number
Website
o-n.com
SIC Code
8741 - Management Services
NAICS Code
5413 - Architectural, Engineering, and Related Services
Founded
1981
Employees
51-200

Section iconFunding & Financials

  • $25M$50M

    O'Donnell & Naccarato's revenue is estimated to be in the range of $25M$50M

Section iconFunding & Financials

  • $25M$50M

    O'Donnell & Naccarato's revenue is estimated to be in the range of $25M$50M

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