1.Integrated Device Technology
2.Texas Instruments
3.Maxim Integrated
4. Infineon
5. Analog Devices / Linear Technology
6. Microchip
7. ON Semiconductor
8. Silicon Labs
9. NXP Semiconductors
10. Cypress Semiconductor
11. Intersil
12. Cypress Semiconductor
13. Altera
14. IXYS
15. Vishay Siliconix
16. TE Connectivity / Raychem
17. Vishay
18. Honeywell
19. Lite-On
20. Ramtron