Contributor Members

Any company is encouraged to Join the Khronos Group to participate in the development of open standards for mobile and desktop media technologies.

Three levels at which an individual, company or academic institution can participate in Khronos Group activity:

  • Academic Members - have full API working group participation but no voting rights.
  • Contributor Members - have full API working group participation and voting rights, and generous marketing benefits.
  • Promoter Members - act as the "Board of Directors" to set the direction of the Group, with final specification ratification voting rights.
  • Member List - View a current, text list of Khronos members


Valve, creators of several best-selling game franchises (such as Counter-Strike, Half-Life, Left 4 Dead, Portal, and Team Fortress) and game technologies (such as Steam and the Source engine) are committed to ensuring the future success of open and cross-platform technologies like OpenGL and other Khronos APIs. Valve is proud to be able to collaborate with the other Khronos members to set the direction of these APIs in order to advance the state of cross-platform development.   For more information, please visit