Advanced XTAL Products
Advantech Co., Ltd.
AEGIS SEMICONDUTORES LTDA
AEL Crystals Ltd
AEM
Aeroflex Circuit Technology
Agamem Microelectronic Inc.
Agere Systems
Agilent(Hewlett-Packard)
AIM (American Iron and Metal)
AIMTEC
Aimtron Technology
AKM Semiconductor Inc
Akros Silicon
Alcoa international inc.
All Sensors Corporation
Allegro MicroSystems, LLC
Allen-Bradley
Alliance Memory
Alliance Semiconductor Corporation 
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