The Onyx Group Employee Directory

Q: What is The Onyx Group known for?

The Onyx Group was founded in 1982. The Onyx Group operates in the Architecture and Planning industry.

Q: How many employees does The Onyx Group have currently?

The Onyx Group has approximately 60 employees.

Architecture and PlanningUnited States51-200 Employees

The Onyx Group was acquired by The Diallo Group in December 2024, marking a key milestone in our strategic growth.

Find The Onyx Group employees' phone numbers or email addresses

The Onyx Group Global Highlights

North America
77

United States Of America
77

Asia
3

Japan
1
United Arab Emirates
1
India
1

Europe
2

United Kingdom Of Great Britain And Northern Ireland
1
France
1

The Onyx Group's Leadership

O. D.
Chief Executive Officer
Mobile Phone
Email
A. M.
President
Mobile Phone
Email
T. G.
Owner
Mobile Phone
Email
G. M.
Owner
Mobile Phone
Email
H. M.
National Sales And Marketing Director
Mobile Phone
Email
J. J.
Director
Mobile Phone
Email
W. D.
Director
Mobile Phone
Email
J. T.
Director Of Finance
Mobile Phone
Email

Contact profiles from The Onyx Group

Name

Title

Contact Info

Location

Last Update

A. M.
President
Mobile Phone
Email
United StatesMaryland
Oct 27, 2025
T. G.
Owner
Mobile Phone
Email
United StatesTexas
Oct 26, 2025
O. D.
Chief Executive Officer
Mobile Phone
Email
Oct 17, 2024
G. M.
Owner
Mobile Phone
Email
United StatesVirginia
Oct 26, 2025
H. M.
National Sales And Marketing Director
Mobile Phone
Email
United StatesUtah
Oct 18, 2025
J. J.
Director
Mobile Phone
Email
United StatesTennessee
May 31, 2025
W. D.
Director
Mobile Phone
Email
United StatesTennessee
Sep 10, 2025
J. T.
Director Of Finance
Mobile Phone
Email
Oct 17, 2024
C. D.
Project Manager/Senior Planner
Mobile Phone
Email
United StatesVirginia
Nov 12, 2025
H. C.
Project Manager
Mobile Phone
Email
United StatesMaryland
Sep 10, 2024

Frequently Asked Questions

What is The Onyx Group known for?

The Onyx Group was founded in 1982 operates in the Architecture and Planning industry. The company's main headquarters is located in 625 N Washington St, 304 Alexandria, Virginia 22314, US; you can contact the 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?

The Onyx Group employees' email format typically follows the pattern of . 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?

The Onyx Group has approximately 60 employees as of October 2025. These team members are located across 3 continents, including North AmericaAsiaEurope.

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

As of October 2025, The Onyx Group's key employees include:

Chief Executive Officer: O. D.
President: A. M.
Owner: T. G.
Owner: G. M.
National Sales And Marketing Director: H. M.

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