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Treanor Employee Directory

Architecture and PlanningMaryland, United States201-500 Employees

Treanor is a national architecture and planning firm based in Maryland, providing planning, programming, and design services across a range of markets that include justice, higher education, healthcare, historic preservation, housing, advanced industries, and K-12 facilities. Its work spans interior design and civil engineering, delivering integrated solutions to public-sector and institutional clients, with a focus on planning and designing complex, multi-use environments. The firm serves a diverse set of customers such as universities, healthcare providers, government and municipal agencies, and organizations pursuing educational and community-facing projects, addressing needs from space programming to facility modernization and new construction. Treanor operates within the architecture and planning industry, positioning itself as a multidisciplinary practice capable of coordinating across markets to support large-scale, mission-critical projects. Based in National, Maryland, Treanor serves clients across the United States and has engaged in partnerships and projects evident in recent news, including collaborations with other firms and construction partners for design and project delivery. In addition to its architecture practice, TreanorHL brings design and engineering capabilities to bear on a wide array of building types, including K-12, healthcare, and correctional facilities, reflecting the firm’s broad market footprint and emphasis on comprehensive design solutions.

Find Treanor employees' phone numbers or email addresses

Treanor Global Highlights

Location
Employees

North America
218

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  • United States Of America
    218

Oceania
1

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  • Australia
    1

Treanor's Leadership

  • Chief Marketing Officer at Treanor
    R. L.
    Chief Marketing Officer
  • President at Treanor
    M. C.
    President
  • Managing Director at Treanor
    S. T.
    Managing Director
  • Marketing Director at Treanor
    B. R.
    Marketing Director
  • Director Of Design Technology at Treanor
    D. M.
    Director Of Design Technology
  • Director Of Civil Engineering at Treanor
    M. M.
    Director Of Civil Engineering
  • Project Manager at Treanor
    S. A.
    Project Manager
  • Senior Project Manager at Treanor
    D. C.
    Senior Project Manager

Treanor Employee Metrics

100%
50%
0%
2026
2025
  • Arts & Design
  • Program & Project Management
  • Information Technology
  • Accounting
  • Administrative
  • Other
  • Community & Social Services

Contact profiles from Treanor

Name
Title
Contact
Location
Last Update
  • Managing Director at Treanor
    S. T.
    Managing Director
    Australia, New South Wales
    Aug 28, 2026
  • President at Treanor
    M. C.
    President
    Oct 23, 2024
  • Chief Marketing Officer at Treanor
    R. L.
    Chief Marketing Officer
    Oct 17, 2024
  • Marketing Director at Treanor
    B. R.
    Marketing Director
    Sep 17, 2026
  • Director Of Design Technology at Treanor
    D. M.
    Director Of Design Technology
    Oct 22, 2024
  • Director Of Civil Engineering at Treanor
    M. M.
    Director Of Civil Engineering
    Oct 22, 2024
  • Project Manager at Treanor
    S. A.
    Project Manager
    Bay
    Apr 16, 2026
  • Senior Project Manager at Treanor
    D. C.
    Senior Project Manager
    Jul 07, 2024
  • Marketing Manager at Treanor
    J. H. K.
    Marketing Manager
    Oct 23, 2024
  • Marketing Manager at Treanor
    M. F.
    Marketing Manager
    Feb 02, 2024

Frequently Asked Questions

What is Treanor known for?

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Treanor was founded in 1981 and operates in the Architecture and Planning industry. You can contact Treanor's main corporate office by phone at . Explore Treanor's company overview page for more information.

What is Treanor's most common email format?

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Treanor employees' email format typically follows the pattern of FLast@treanorhl.com. Trying to find reliable and up-to-date employee contact data? Find more Treanor email formats with LeadIQ.

How many employees does Treanor have currently?

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Treanor has approximately 206 employees as of September 2026. These team members are located across 2 continents, including North America and Oceania.

Who are Treanor's key employees and leadership?

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As of September 2026, Treanor's key employees include:

  • Chief Marketing Officer: R. L.
  • President: M. C.
  • Managing Director: S. T.
  • Marketing Director: B. R.
  • Director Of Design Technology: D. M.

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