M/A-Com Technology Solutions(MACOM)
Macraigor
Macronix International(MXIC)
Maestro Wireless Solutions
Mag.Layers
Magic Xtal
Mag-LED Solutions
MagnaChip Semiconductor
Magnasphere
Magnision
Mallory Sonalert
MAN YUE
ManThink
Marathon Special Products
Marktech Optoelectronics
MARQUARDT SWITCHES
Martel Electronics
Marutsuelec
MARUWA
Marvell
Master
Matelight
Matrix Orbital
Matsuki
Matsuki electric(松木)
MAXIC
Maxim Integrated
Maxlinear
Maxscend
Maxwell
MCI Transformer
mCube
MDD(辰达)
MEAN WELL
Measurement Specialties
MEC Switches
Mechatronics
MediaTek
MegaChips
MEGAWIN Technology
MEIHUA
Melexis
Mellanox Technologies
Memory Protection Devices(MPD)
MEMS VISION
MEMSensing
MEMSIC
MENDA/EasyBraid
Mentor Graphics
MERITEC
MERZ
Methode Electronics
MG Chemicals
MIC GROUP RECTIFIERS
Micralyne
Micrel Semiconductor
Micrium
Micro Commercial Components
Micro/sys
Microchip
Microdul
microEngineering Labs
Microgate
Micron Technology
Micronas
MICRONE(南京微盟)
Microsemi
Microsonic
MicroWave Technology
Mide Technology
MikroElektronika
milestone(迈尔斯通)
Mill-Max
Mini-Circuits
MINI-SYSTEMS,INC(MSI)
MINMAX
Minnesota Mining and Manufacturing(3M)
MiraMEMS
Mitsubishi Electric
MITSUMI
Mixinno
MLS(木林森)
MMB Networks
MMD Monitor/Quartztek
MODULOC
Molex Electronics Ltd.
Molicel
MONITRAN
Monolithic Power Systems(MPS)
Montage Technology
Morning Core
MORNSUN
mornsun(金升阳)
Motorcomm
Motorola
Motrona
mPOWER
M-pulse Microwave
MST
Mstar
MT Microsystems
MTK(联发科)
MTRONPTI
MTS Sensor
Mueller
MultiDimension Technology(MDT)
Multi-Tech
MUNK
muRata
Murr Elektronik
MX Micro