http://www.diamondmm.com
2. Matrox
http://www.matrox.com
3. ATI
http://www.atitech.com
4. Number Nine
http://www.nine.com
5. Hercules
http://www.hercules.com
6. STB
http://www.stb.com
7. Real 3D
http://www.real3d.com
8. Intel
http://www.intel.com
9. VideoLogic
http://www.videologic.com
10. Intergraph
http://www.intergraph.com