Intel
- Information on Intel's graphics chipsets.
- http://www.intel.com/products/graphics/

RealVision, Inc
- Developes and manufactures advanced integrated video and graphics processors for broadcast, video editing and imaging market segments.
- http://www.rvu-inc.com

S3 Incorporated
- Supplier of graphics, video and multimedia accelerators for the PC market.
- http://www.s3.com

PowerVR
- Offers 3D graphics technology for PCs, consoles and arcade set-top box systems.
- http://www.powervr.com/

3Dlabs
- Oxygen and Wildcat 3D graphics and video cards for accelerating CAD, DCC, animation, simulation, visualization and GIS applications using OpenGL.
- http://www.3dlabs.com/

Rendition, Inc.
- Builds graphics controllers that provide PCs with real-time 3D rendering capability.
- http://www.rendition.com

Nvidia
- Manufacturer of graphics processor technologies for computing, consumer electronics, and mobile devices. Comprehensive information on the company and its products and technical support, plus online store.
- http://www.nvidia.com/

Matrox
- Creators of 2D and 3D graphics adapters.
- http://www.matrox.com