The Onyx Group Employee Directory

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

Location
Employees

North America
77

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  • United States Of America
    77

Asia
3

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  • Japan
    1
  • United Arab Emirates
    1
  • India
    1

Europe
2

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  • United Kingdom Of Great Britain And Northern Ireland
    1
  • France
    1

The Onyx Group's Leadership

  • Stylized image of a person
    O. D.
    Chief Executive Officer
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  • Stylized image of a person
    A. M.
    President
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  • Stylized image of a person
    T. G.
    Owner
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  • Stylized image of a person
    G. M.
    Owner
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  • Stylized image of a person
    H. M.
    National Sales And Marketing Director
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    J. J.
    Director
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  • Stylized image of a person
    W. D.
    Director
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    J. T.
    Director Of Finance
    Phone icon

Contact profiles from The Onyx Group

Name
Title
Contact Info
Location
Last Update
  • Stylized image of a person
    K. R.
    Quarry Manager
    Phone icon
    United KingdomNorth Lanarkshire
    Feb 21, 2024
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    A. B.
    Principal
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    United StatesColorado
    Jul 19, 2025
  • Stylized image of a person
    P. R.
    Principal
    Phone icon
    United StatesVirginia
    Jul 20, 2025
  • Stylized image of a person
    H. R.
    Senior Architect
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    United StatesMaryland
    Oct 26, 2025
  • Stylized image of a person
    S. B.
    Sr. Compensation Analyst
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    United StatesLouisiana
    Nov 11, 2025
  • Stylized image of a person
    M. T.
    Information Technology Security Analyst
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    United StatesSouth Carolina
    Aug 02, 2025
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    J. S.
    Staff Tax Preparer
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    United StatesPennsylvania
    Jul 18, 2025
  • Stylized image of a person
    N. L.
    Billing Revenue And Projects Specialist
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    Oct 21, 2025
  • Stylized image of a person
    K. R.
    Information Technology
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    United StatesSouth Carolina
    Jul 19, 2025
  • Stylized image of a person
    T. K.
    Patient Accounts
    Phone icon
    United StatesSouth Carolina
    Oct 21, 2025

Frequently Asked Questions

What is The Onyx Group known for?

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

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

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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?

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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?

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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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