OEI | O'BRIEN Engineering + Architecture Employee Directory

Design ServicesTexas, United States11-50 Employees

O’Brien Engineering, Inc. (OEI) delivers high-performance engineering and architecture solutions for complex, mission-critical environments.
Founded in 1987, OEI is an SDVOSB-certified, multidisciplinary A/E firm serving federal, municipal, and institutional clients nationwide and OCONUS. We partner with agencies including the DoW/DoD (Air Force, Space Force, USACE, Army), VA, DLA, and DHS to plan, design, and deliver facilities that must perform and be constructed in an active campus environment.
Our integrated team provides full lifecycle services—architecture, engineering, environmental, and program management—supporting new construction, renovations, and infrastructure modernization. We are known for:

- Executing complex projects under IDIQ and MATOC programs
- Delivering in active, mission-critical environments (especially healthcare)
- Producing constructible, compliant, and cost-effective designs
- Balancing small-business responsiveness with large-scale capability 

OEI designs facilities, while delivering solutions that enable our clients’ missions.  Through long-term contract vehicles, OEI has a robust pipeline extending into 2035.

Find OEI | O'BRIEN Engineering + Architecture employees' phone numbers or email addresses

OEI | O'BRIEN Engineering + Architecture Global Highlights

Location
Employees

North America
35

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  • United States Of America
    35

Oceania
2

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  • Australia
    2

Africa
1

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  • Nigeria
    1

OEI | O'BRIEN Engineering + Architecture's Leadership

  • Stylized image of a person
    M. O.
    Owner
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  • Stylized image of a person
    J. L.
    Federal Project Manager / Sr. Civil Engineer
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  • Stylized image of a person
    L. B.
    Proposal Manager
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    E. B.
    Senior Civil Engineer
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  • Stylized image of a person
    P. S.
    Electrical Engineer Ii
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  • Stylized image of a person
    S. I.
    Architectural Coordinator
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  • Stylized image of a person
    J. L. P.
    Water Resources Engineer
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  • Stylized image of a person
    A. D.
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OEI | O'BRIEN Engineering + Architecture Employee Metrics

100%
50%
0%
2026
2025
  • Engineering
  • Arts & Design
  • Business
  • Community & Social Services
  • Administrative
  • Other

Contact profiles from OEI | O'BRIEN Engineering + Architecture

Name
Title
Contact Info
Location
Last Update
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    M. O.
    Owner
    Phone icon
    United StatesNorth Carolina
    Jun 02, 2026
  • Stylized image of a person
    J. L.
    Federal Project Manager / Sr. Civil Engineer
    Phone icon
    United StatesGeorgia
    Apr 14, 2026
  • Stylized image of a person
    L. B.
    Proposal Manager
    Phone icon
    United States
    May 30, 2026
  • Stylized image of a person
    E. B.
    Senior Civil Engineer
    Phone icon
    United StatesGeorgia
    Apr 14, 2026
  • Stylized image of a person
    P. S.
    Electrical Engineer Ii
    Phone icon
    United StatesGeorgia
    Jun 01, 2026
  • Stylized image of a person
    S. I.
    Architectural Coordinator
    Phone icon
    United States
    Sep 10, 2025
  • Stylized image of a person
    J. L. P.
    Water Resources Engineer
    Phone icon
    Oct 23, 2024
  • Stylized image of a person
    A. D.
    Phone icon
    UNITED STATES
    Apr 22, 2024
  • Stylized image of a person
    B. C.
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    UNITED STATES
    Mar 07, 2023
  • Stylized image of a person
    D. A.
    Phone icon
    UNITED STATES
    Mar 07, 2023

Frequently Asked Questions

What is OEI | O'BRIEN Engineering + Architecture known for?

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OEI | O'BRIEN Engineering + Architecture was founded in 1987 operates in the Design Services industry. The company's main headquarters is located in 17300 North Dallas Parkway Suite 1000 Dallas, Texas 75248 United States; you can contact the main corporate office by phone at . Explore OEI | O'BRIEN Engineering + Architecture's company overview page for more information.

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

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OEI | O'BRIEN Engineering + Architecture employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more OEI | O'BRIEN Engineering + Architecture email formats with LeadIQ.

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

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OEI | O'BRIEN Engineering + Architecture has approximately 29 employees as of June 2026. These team members are located across 3 continents, including North AmericaOceaniaAfrica.

Who are OEI | O'BRIEN Engineering + Architecture's key employees and leadership?

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As of June 2026, OEI | O'BRIEN Engineering + Architecture's key employees include:

  • Owner: M. O.
  • Federal Project Manager / Sr. Civil Engineer: J. L.
  • Proposal Manager: L. B.
  • Senior Civil Engineer: E. B.
  • Electrical Engineer Ii: P. S.

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