A

ABB

http://www.abb.com/

Actel

http://www.actel.com/

Adaptec

http://www.adaptec.com/

Adaptive Micro Systems 

http://www.ams-i.com/

Advanced Communication Devices

http://www.acdcorp.com/

Advanced Micro Devices

http://www.amd.com/

Aeroflex

http://www.aeroflex.com/

Agere Systems 

http://www.agere.com/

Agilent Technologies

http://we.home.agilent.com/

AITech International

http://www.aitech.com/

ALi

http://www.ali.com.tw/

Alliance Semiconductor

http://www.alsc.com/

Alpha Technologies

http://www.alpha-us.com/

Altera

http://www.altera.com/

American Arium

http://www.arium.com/

American Megatrends

http://www.ami.com/

American Power conversion

http://www.apcc.com/

American Technology

http://www.atcusa.com/

AMI Semiconductor

http://www.amis.com/

AMP

http://www.amp.com/

Anadigics

http://www.anadigics.com/

Analog Devices

http://www.analog.com/

Apex Microtechnology

http://eportal.apexmicrotech.com/mainsite/index.asp

API Delevan

http://www.delevan.com/

Applied Micro Circuits

http://www.amcc.com/

Arcobel Graphics

http://www.arcobel.com/

ARM

http://www.arm.com/

Asiliant Technologies 

http://www.asiliant.com/

Astec-America

http://www.astec.com/

ATI Technologies

http://www.atitech.ca/

Atmel

http://www.atmel.com/

Audio Codes

http://www.audiocodes.com/

Austria Micro Systems

http://www.ams.co.at/

AverLogic Technologies

http://www.averlogic.com/

AVX

http://www.avxcorp.com/

　B

Ball Semiconductor

http://www.ballsemi.com/

BethelTronix

http://www.betheltronix.com/

Bourns

http://www.bourns.com/

Bussmann

http://www.bussmann.com/