What is OEI | O'BRIEN Engineering + Architecture's NAICS code?

OEI | O'BRIEN Engineering + Architecture's NAICS code is 5414 (Specialized Design Services).

Insights

Gathering insights about OEI | O'BRIEN Engineering + Architecture…

Similar companies to OEI | O'BRIEN Engineering + Architecture

OEI | O'BRIEN Engineering + Architecture Tech Stack

OEI | O'BRIEN Engineering + Architecture uses 8 technology products and services including AutoCAD, ADP, Slider Revolution, and more. Explore OEI | O'BRIEN Engineering + Architecture's tech stack below.

AutoCAD
Cad & Graphics
ADP
Human Resource Management System
Slider Revolution
Miscellaneous
WP Engine
Platform As A Service
Google
Search Engines
Google Analytics
Web Analytics
HashThemes Total
Web Platform Extensions
Nginx
Web Servers

Media & News

O'Brien Engineering, Inc. partners with Federal Emergency Management Agency.
O’Brien Engineering is a recognized expert partner with the Federal Emergency Management Agency ( FEMA ).
Feb 22, 2021 | obrieneng.com

OEI | O'BRIEN Engineering + Architecture's Email Address Formats

OEI | O'BRIEN Engineering + Architecture uses at least 2 format(s):

OEI \| O'BRIEN Engineering + Architecture Email Formats	Example	Percentage
FLast@obrieneng.com	JDoe@obrieneng.com	92%
Last@obrieneng.com	Doe@obrieneng.com	8%

Frequently Asked Questions

Where is OEI | O'BRIEN Engineering + Architecture's headquarters located?

OEI | O'BRIEN Engineering + Architecture's main headquarters is located at 17300 North Dallas Parkway Suite 1000 Dallas, Texas United States. The company has employees across 3 continents, including North AmericaOceaniaAfrica.

What is OEI | O'BRIEN Engineering + Architecture's phone number?

You can contact OEI | O'BRIEN Engineering + Architecture's main corporate office by phone at

+1-972-233-****

. 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 OEI | O'BRIEN Engineering + Architecture's official website and social media links?

OEI | O'BRIEN Engineering + Architecture's official website is oeiae.com and has social profiles on LinkedIn.

What is OEI | O'BRIEN Engineering + Architecture's SIC code NAICS code?

OEI | O'BRIEN Engineering + Architecture's SIC code is 8711 - Engineering Services NAICS code is 5414 - Specialized Design Services.

How many employees does OEI | O'BRIEN Engineering + Architecture have currently?

As of March 2026, OEI | O'BRIEN Engineering + Architecture has approximately 29 employees across 3 continents, including North AmericaOceaniaAfrica. Key team members include Vice President - Finance: J. O.Vice President Business Development: S. C.President: J. O.. Explore OEI | O'BRIEN Engineering + Architecture's employee directory with LeadIQ.

What industry does OEI | O'BRIEN Engineering + Architecture belong to?

OEI | O'BRIEN Engineering + Architecture operates in the Design Services industry.

What technology does OEI | O'BRIEN Engineering + Architecture use?

OEI | O'BRIEN Engineering + Architecture's tech stack includes AutoCADADPSlider RevolutionWP EngineGoogleGoogle AnalyticsHashThemes TotalNginx.

What is OEI | O'BRIEN Engineering + Architecture's email format?

OEI | O'BRIEN Engineering + Architecture's email format typically follows the pattern of FLast@obrieneng.com. Find more OEI | O'BRIEN Engineering + Architecture email formats with LeadIQ.

When was OEI | O'BRIEN Engineering + Architecture founded?

OEI | O'BRIEN Engineering + Architecture was founded in 1987.

OEI | O'BRIEN Engineering + Architecture

Design ServicesTexas, United States11-50 Employees

OEI is a full service engineering and architecture design firm established in 1987.  A certified Service Disabled Veteran Owned Small Business (SDVOSB) and State of Texas HUB firm, we serve customers nationwide and overseas. Our work and clients are diversified; we serve federal, municipal, state, other A/E firms, and private individuals. Our federal customers include DoD (USACE, Air Force, Space Force), DHS, and VA.  We hold multiple IDIQ and MATOC contracts as a prime.

Company Overview

Headquarters: 17300 North Dallas Parkway Suite 1000 Dallas, Texas United States
Phone number: +1-972-233-****
Website: oeiae.com
SIC Code: 8711 - Engineering Services
NAICS Code: 5414 - Specialized Design Services
Founded: 1987
Employees: 11-50