SABRITEC
Sagami
Sagrad
SamHop
Samsung Electro Mechanics(SEMCO)
Samsung Semiconductor
Samsung(三星电机)
Samtec
Samwha
Sandisk
Sangshin
Sanken Electric
SanRex
SANTEST
Sanyo Denki
SAWNICS
SBE
SCHAFFNER
Schneider Electric
SCHURTER
SCII
SCSemicon
SDIC Microelectronics
Seagate
Seeed
Seen-Tek
SEGGER
Seiko Instruments Inc
SEMIKRON
SemiLEDs
SEMIPOWER
SEMITEC
Semitel
SEMIWILL
Semtech
Senodia
Sensata
Sensirion
Sensonor
Sensorex
Sensortek
Sensory
Seoul Semiconductor
Serious Integrated
Serpac Electronic Enclosures
SGX Sensortech
Shanghai BioChip
Share Electronics
SHARP
Shengbang Microelectronics Co, Ltd(SG Micro)
Shindengen
Shinetsu
SIBA
SICK
Siemens
Si-En Technology
Sierra Wireless
SiFotonics Technologies
Sigma Designs
Signal Transformer
SignalQuest
Silan
Silego
Silergy
Silex Microsystems
Silicon Designs, Inc.(SDI)
Silicon image
Silicon Labs
Silicon Motion
Silicon Storage Technology(SST)
SiliconGo Microelectronics
SILVERMICRO
SIMCOM
SINGA(SGEC)
Singular
Sino Wealth
Sinomags
Sinopower
SIPAT
Sipex
Siproin
Siretta
SIRUIPUUU(3PEAK)
Sisemi
SIT
SiTime
Sitronix
SiWard
SJK/晶科鑫
SK(台湾时科)
SK-Hynix
SKHYNIX(SK海力士)
SkyeTek
SKYLAB
Skyworks
SL Power Electronics
SLKOR
Smalite
SMC Diode Solutions
SMD
SMI
Smiths Connectors
SMK
SMSC
Soberton
socay
Socle
Solid States Devices, Inc(SSDI)
SolidRun
Solidsense
Solitron
Solomon Systech
Solteam
Somagic
SONG CHUAN
Sonix
SONY
SOURIAU
Spansion
SparkFun
Spec Sensors
Spectra Symbol
Spectron
Spectrum Digital
Sprague Goodman
Spreadtrum
SPSEMI
SSI Technologies
ST
ST(先科)
Stackpole Electronics(SEI)
Staco Energy Products
Standex-Meder
Stanley Electric
STAR-Dundee
STARSEA
SteadiChips
Steinel
Steute Wireless
Stewart Connector
Storm Interface
SUCCESS ELECTRONICS CO(SEC)
Sullins
Sumida
Sumitomo
Sunext
SunLED
Sunlord
Sunon
Sunrise(日晟微)
Sunto(尚途)
Sunwave
SUP
Superlink(SLK)
Supermicro
Superpix
Supertex
Supreme Power Solutions(SPS)
SUPSiC
Susumu
Swanstrom Tools
Swissbit
Switchcraft/Conxall
SwitchLab Inc
SXsemi
Syfer Technology
Synapse
Synaptics
SyncMOS
SYNERGY
Synkera
SynQor
Syntek Semiconductor