http://www.intel.com
2. Via Technologies
http://www.viatech.com
3. SIS
http://www.com.tw
4. VLSI
http://www.vlsi.com
5. ALi
http://www.com.tw
6. OPTi
http://www.opti.com
7. Utron
http://www.com.tw
8. UMC
http://www.com.tw
9. V3
http://www.vcubed.com
10. Winbond
http://www.com.tw