TI
http://www.ti.com

Winbond
http://www.winbond.com.cn

VISHAY
http://www.vishay.com/

Freescale
http://www.freescale.com.cn

Anpec
http://www.anpec.com.tw

Renesas
http://cn.renesas.com

ST
http://eu.st.com/stonline

RichTek
http://tw.richtek.com

AVAGO
http://www.avagotech.cn

AMD
http://www.amd.com/

Analog Devices
http://www.analog.com 

Atmel
http://www.atmel.com

Cypress
http://www.cirrus.com/

CSR
http://www.csr.com/

Cypress
http://www.cypress.com/

EMERSON
http://www.emerson.com/

AVX
http://www.avx.com/

SanDisk
http://www.sandisk.com/

Hynix
http://www.skhynix.com/

Analogic Tech
http://www.analogic.com/

Wolfson
http://www.wolfsonmicro.com/

EPCOS
http://www.epcos.com/

Fairchild
http://www.fairchildsemi.com/

GMT
http://www.gmt.com.tw/

Himax
http://www.himax.com.tw/

Honeywell
http://honeywell.com/

IDT
http://www.idt.com/

Infineon
http://www.infineon.com/

Intersil
http://www.intersil.com/

MXIC
http://www.macronix.com/

MAXIM
http://www.maximintegrated.com/

Microchip
http://www.microchip.com/

ITE
http://www.ite.com.tw/

NXP
http://www.nxp.com/

PHILIPS
http://www.usa.philips.com/

On Semi
http://www.onsemi.cn/

TT

XILINX
http://www.xilinx.com/

Qualcomm
http://www.qualcomm.com/

Power Interations
http://investors.powerint.com/

Lattice
http://www.latticesemi.com/

LITEON
http://www.liteonit.com/

大唐微电子
http://www.dmt.com.cn/

远翔科技
http://www.feeling-tech.com.tw/

上海贝岭http://www.belling.com.cn/

Amlogic
http://www.amlogic.com/

Simteh
http://www.simtechco.com/