O.C. White
O.C.White
O2Micro
OASIS
OCIC
OCS(Orient-Chip Semiconductor)
Octavo Systems
OCX
ODU(欧度)
Ohmite
OK International
OKAYA
OKI
Olimex Ltd
OmniVision
OMRON
On-Bright
ON Semiconductor
OnShore Technology
Oplink
Optek Technology
optek(optek-Danulat GmbH)
Optibelt
OptiFuse
Option NV
Opto 22
Opto Diode Corporation
OptoSupply
Opulent
ORIENTAL SEMI
ORIENTAL
ORIENTAL SYSTEM TECHNOLOGY
Orion Fans
Orisystech
OSEPP
OSRAM Opto Semiconductors
OTAX Electronics
Oupiin
