A - AM

A-Open
A-Trend
A4 Tech
Aavid
Ability
Abit
ACC
Access
Accton
Acecad
Aceex
Acer
Acma
ACT Lab
ActionTec
ActiveI
Acula
Adaptec
Adara
ADAX Inc.
ADC Fibermox
Addtron
ADI
Advanced Digital Information
Advanced Digital Systems
Advanced Input
Advanced Simulation
Advansys
Advantech
Aetherworks
AGFA
AHA
AITech
Aiwa
Alaris
Alcatel
ALI
Allied Telesyn
Alphatel
Alps Electric
Altec Lansing
Altra
Amaga
Amber Wave
AMD
Amdahl
American Megatrends ( AMI )
American Predator
Amiga
AMP
Amptron
AMS
Amtrade

AN - AZ

Ana Tech
Analog
Anchor
Andataco
Angia
Animation Technologies
Antec
Antex
AOC Spectrum
APC  ( American Power Conversion )
Apache
Apache Micro
Aponet
Appian
Apple
Appro
Apricot
APS Technologies
Archtek
Aris
Aristo
ARK Logic
ARM
Artec
Artecon
Artist
Artmedia
Arvida
Asante'
Ascend
Askey
Aspen
AST
Astec America Inc.
Astro Research
Asus
Asuscom
AT&T
ATI
Atima
Atlas Peripherals
Atronics
Auslinx
Avance Logic
Aver Media
Avision Labs
Aviv
AVM
Award
Axis
Axxion
Aztech Aztech
Azza