D6 Labs
Daburn
Dachang Electronics(SIYU)
DAICO
DAIN ELECTRONICS
Daito
Dalicap
Daniels Manufacturing Corporation(DMC)
Danotherm Electric A/S
Darfon(达方)
Dark Energy
Data Delay Devices(DDD)
Data Device Corporation(DDC)
DATAFORTH
DATARAM
Datatronics
DATEL
DAVE
Davicom Semiconductor
Davies Molding
DB Unlimited
DC Components
Dearborn
Deca Wave
Decard Tech
DEGSON
Delta
Desco
Deutsch
Device Solutions
Dexter Magnetic Technologies
DFRobot
Dialight
Dialog
Dielectric Laboratories
Digi International
Digilent
Digital Power Corporation
Digital View
Digital Voice Systems(DVSI)
Diodes Incorporated
Dioo Micro
Diotec Semiconductor
Diptronics
di-soric GmbH & Co. KG
Displaytech
DIYI Electronic
DLP Design
DOMINANT Opto Technologies
DongGuan HongYuan Electronic(Hongyuan)
DOVELET
Dow Corning
dresden elektronik
DREXELBROOK
DSP GROUP(DSPG)
DSTECH
Dubilier
Duty-Cycle
Dynastream
Dynex Semiconductor