What is O'Brien Firm's NAICS code?

O'Brien Firm's NAICS code is 54111 (Offices of Lawyers).

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O'Brien Firm Tech Stack

O'Brien Firm uses 8 technology products and services including RSS, MySQL, oEmbed, and more. Explore O'Brien Firm's tech stack below.

RSS
Content Management System
MySQL
Database
oEmbed
Dev Tools
Twemoji
Font Scripts
jQuery Migrate
Javascript Libraries
PHP
Programming Languages
Bootstrap
UI Frameworks
Apache HTTP Server
Web Servers

Media & News

O'Brien Firm's Email Address Formats

O'Brien Firm uses at least 1 format(s):

O'Brien Firm Email Formats	Example	Percentage
First.Last@obfirm.com	John.Doe@obfirm.com	100%

Frequently Asked Questions

Where is O'Brien Firm's headquarters located?

O'Brien Firm's main headquarters is located at 325 Constitution Place Suite 1320 Philadelphia, Pennsylvania 19106 United States. The company has employees across 1 continents, including North America.

What is O'Brien Firm's official website and social media links?

O'Brien Firm's official website is obfirm.com and has social profiles on LinkedIn.

What is O'Brien Firm's SIC code NAICS code?

O'Brien Firm's SIC code is 8111 - Legal Services NAICS code is 54111 - Offices of Lawyers.

How many employees does O'Brien Firm have currently?

As of May 2026, O'Brien Firm has approximately 5 employees across 1 continents, including North America. Key team members include Partner: M. O.Partner: W. O.Owner: W. O.. Explore O'Brien Firm's employee directory with LeadIQ.

What industry does O'Brien Firm belong to?

O'Brien Firm operates in the Law Practice industry.

What technology does O'Brien Firm use?

O'Brien Firm's tech stack includes RSSMySQLoEmbedTwemojijQuery MigratePHPBootstrapApache HTTP Server.

What is O'Brien Firm's email format?

O'Brien Firm's email format typically follows the pattern of First.Last@obfirm.com. Find more O'Brien Firm email formats with LeadIQ.

When was O'Brien Firm founded?

O'Brien Firm was founded in 2014.

O'Brien Firm

Q: What is O'Brien Firm's official website and social media links?

O'Brien Firm's official website is obfirm.com. O'Brien Firm has social profiles on LinkedIn.

Q: How many employees does O'Brien Firm have currently?

O'Brien Firm has approximately 5 employees.

Q: What technology does O'Brien Firm use?

O'Brien Firm's tech stack includes oEmbed, Apache HTTP Server, Apache, jQuery Migrate, WordPress.

Law PracticePennsylvania, United States2-10 Employees

The O’Brien Firm is a small law practice based in Philadelphia, serving clients nationwide with customized civil litigation services. It acts as National Coordinating and Regional Trial Counsel for several clients in asbestos litigation, with an emphasis on strategic, thoughtful, and cost-conscious representation from high-level planning through daily case management. The firm represents Fortune 500 companies, local corporations, insurers, small businesses, and individuals in matters in the state and federal courts of Pennsylvania, New Jersey, and Delaware.

Its strength lies in its attorneys, staff, and litigation support, underpinned by long-standing client relationships and a broad network of defense counsel across the country. The firm positions itself to handle a wide range of civil litigation in the Pennsylvania, New Jersey, and Delaware courts.

Company Overview

Headquarters: 325 Constitution Place Suite 1320 Philadelphia, Pennsylvania 19106 United States
Website: obfirm.com
SIC Code: 8111 - Legal Services
NAICS Code: 54111 - Offices of Lawyers
Founded: 2014
Employees: 2-10