Onyx Group Employee Directory

Q: What is Onyx Group known for?

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

Q: How many employees does Onyx Group have currently?

Onyx Group has approximately 58 employees.

Architecture and PlanningVirginia, United States51-200 Employees

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

Find Onyx Group employees' phone numbers or email addresses

Onyx Group Global Highlights

North America
63

United States Of America
63

Asia
3

India
1
United Arab Emirates
1
Japan
1

Europe
2

United Kingdom Of Great Britain And Northern Ireland
1
France
1

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. T.
Director Of Finance
Mobile Phone
Email
C. D.
Project Manager/Senior Planner
Mobile Phone
Email
H. C.
Project Manager
Mobile Phone
Email

Contact profiles from Onyx Group

Name

Title

Contact Info

Location

Last Update

A. M.
President
Mobile Phone
Email
United StatesMaryland
Dec 10, 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
Dec 10, 2025
J. T.
Director Of Finance
Mobile Phone
Email
Oct 17, 2024
C. D.
Project Manager/Senior Planner
Mobile Phone
Email
United StatesVirginia
Dec 10, 2025
H. C.
Project Manager
Mobile Phone
Email
United StatesMaryland
Sep 10, 2024
K. R.
Quarry Manager
Mobile Phone
Email
United KingdomNorth Lanarkshire
Feb 21, 2024
P. R.
Principal
Mobile Phone
Email
United StatesVirginia
Dec 10, 2025

Frequently Asked Questions

What is Onyx Group known for?

Onyx Group was founded in 1982 operates in the Architecture and Planning industry; you can contact the main corporate office by phone at

+1-703-548-****

. Explore Onyx Group's company overview page for more information.

What is Onyx Group's most common email format?

Onyx Group employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more Onyx Group email formats with LeadIQ.

How many employees does Onyx Group have currently?

Onyx Group has approximately 58 employees as of December 2025. These team members are located across 3 continents, including North AmericaAsiaEurope.

Who are Onyx Group's key employees and leadership?

As of December 2025, 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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