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The Onyx Group Employee Directory

Architecture and PlanningVirginia, United States51-200 Employees

The Onyx Group operates in the architecture and planning industry and is based in Alexandria, Virginia, United States. The company employs between 51 and 200 people. In December 2024, The Onyx Group was acquired by The Diallo Group, marking a milestone in the Diallo Group's strategic growth. The organization maintains an online presence at https://diallogrp.com. Its technology stack includes Google Cloud DNS, Google Fonts API, Element UI, jQuery, Isotope, jQuery Migrate, Piwik PRO Core, and Magnific Popup. Reported revenue is in the range of $1 million to $10 million.

Find The Onyx Group employees' phone numbers or email addresses

The Onyx Group Global Highlights

Location
Employees

North America
53

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  • United States Of America
    53

Asia
3

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  • Japan
    1
  • United Arab Emirates
    1
  • India
    1

Europe
1

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  • France
    1

The Onyx Group's Leadership

  • Chief Executive Officer at The Onyx Group
    O. D.
    Chief Executive Officer
    Mobile Phone
  • Director Of Finance at The Onyx Group
    J. T.
    Director Of Finance
    Mobile Phone
  • Officer Manager at The Onyx Group
    L. C.
    Officer Manager
    Mobile Phone
  • Billing Revenue And Projects Specialist at The Onyx Group
    N. L.
    Billing Revenue And Projects Specialist
    Mobile Phone
  • Community Planner at The Onyx Group
    D. L.
    Community Planner
    Mobile Phone
  • Transportation Planner at The Onyx Group
    S. E.
    Transportation Planner
    Mobile Phone
  • Employee at The Onyx Group
    M. T.
    Mobile Phone

The Onyx Group Employee Metrics

100%
50%
0%
2026
2025
  • Arts & Design
  • Business
  • Other

Contact profiles from The Onyx Group

Name
Title
Contact
Location
Last Update
  • Chief Executive Officer at The Onyx Group
    O. D.
    Chief Executive Officer
    Mobile Phone
    Oct 17, 2024
  • Director Of Finance at The Onyx Group
    J. T.
    Director Of Finance
    Mobile Phone
    Oct 17, 2024
  • Officer Manager at The Onyx Group
    L. C.
    Officer Manager
    Mobile Phone
    Oct 17, 2024
  • Billing Revenue And Projects Specialist at The Onyx Group
    N. L.
    Billing Revenue And Projects Specialist
    Mobile Phone
    Apr 14, 2026
  • Community Planner at The Onyx Group
    D. L.
    Community Planner
    Mobile Phone
    Japan
    Sep 12, 2026
  • Transportation Planner at The Onyx Group
    S. E.
    Transportation Planner
    Mobile Phone
    Oct 18, 2024
  • Employee at The Onyx Group
    M. T.
    Mobile Phone
    Jul 09, 2024

Frequently Asked Questions

What is The Onyx Group known for?

Minus sign iconPlus sign iconThe Onyx Group was founded in 1982 and operates in the Architecture and Planning industry. You can contact The Onyx Group's main corporate office by phone at
+1-703-548-****
. Explore The Onyx Group's company overview page for more information.

What is The Onyx Group's most common email format?

Minus sign iconPlus sign iconThe Onyx Group employees' email format typically follows the pattern of FLast@onyxgroup.com. Trying to find reliable and up-to-date employee contact data? Find more The Onyx Group email formats with LeadIQ.

How many employees does The Onyx Group have currently?

Minus sign iconPlus sign iconThe Onyx Group has approximately 52 employees as of August 2026. These team members are located across 3 continents, including North America, Asia and Europe.

Who are The Onyx Group's key employees and leadership?

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As of August 2026, The Onyx Group's key employees include:

  • Chief Executive Officer: O. D.
  • Director Of Finance: J. T.
  • Officer Manager: L. C.
  • Billing Revenue And Projects Specialist: N. L.
  • Community Planner: D. L.

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