•  3COM
•  A51 MAG
•  AAVID THERMALLOY
•  AB CONNECTORS (TT ELECTRONICS)
•  ABB
•  ABB SSAC
•  ABBATRON
•  ABBOTT TECHNOLOGIES
•  ABILIS SYSTEMS
•  ABLE CONN LLC
•  ABRACON
•  ACAPELLA
•  ACC
•  ACCEL
•  ACER
•  ACOPIAN POWER SUPPLIES
•  ACTEL (MICROSEMI)
•  ACUTE POWER
•  ADAM TECHNOLOGY
•  ADAPTEC (PMC SIERRA)
•  ADDA
•  ADESTO TECHNOLOGIES
•  ADI ELECTRONICS
•  ADTRON
•  ADVANCED ANALOGIC TECHNOLOGIES
•  ADVANCED COMPONENTS
•  ADVANCED CRYSTAL TECHNOLOGY
•  ADVANCED INTERCONNECTIONS
•  ADVANCED LINEAR DEVICES
•  ADVANCED MICRO DEVICES (AMD)
•  ADVANCED POWER COMPONENTS
•  ADVANCED POWER TECHNOLOGY (MICROSEMI)
•  ADVANCED SEMICONDUCTOR
•  ADVANCED SEMICONDUCTORS
•  ADVANTECH
•  AEG INDUSTRIAL CONTROLS
•  AEM
•  AERO ELECTRIC (CONESYS)
•  AERO TECHNOLOGY
•  AEROCOMM (LAIRD TECHNOLOGIES)
•  AEROFLEX
•  AEROVOX
•  AFL (FUJIKURA)
•  AGASTAT / TE CONNECTIVITY
•  AGERE SYSTEMS (LSI CORPORATION)
•  AGILENT TECHNOLOGIES
•  AIM (AMERICAN IRON AND METAL)
•  AIM-CAMBRIDGE (EMERSON NETWORK POWER)
•  AIMTRON
•  AIR ELECTRO
•  AIRBORN
•  AIRES ELECTRONICS INC
•  AIRPAX
•  AIRSPARES
•  AITECH INTERNATIONAL
•  AK II TECHNOLOGY
•  AKM SEMICONDUCTOR
•  ALARIN AIRCRAFT HINGE
•  ALCATEL-LUCENT
•  ALCOA
•  ALCOSWITCH (TE CONNECTIVITY)
•  ALESIS
•  ALI
•  ALL BEST CORP
•  ALL SENSORS
•  ALLEGRO MICROSYSTEMS INC (SANKEN ELECTRIC)
•  ALLEN BRADLEY