M
- Micrium
- Micron
- Microchip Technology
- Micrel_Microchip Technology
- microbit
- MCS Electronics
- Medium One
- Menda
- Micro Crystal
- Melexis
- Metcal
- mCube
- Microsemi_Microchip
- MaxLinear
- Maxim Integrated
- Matrix Orbital
- Mallory Sonalert
- Marquardt Switches
- Micro Commercial Components (MCC)
- MIL Tools
- Macraigor Systems
- MICRO SWITCH_Honeywell
- Midwest Microwave_Cinch Connectivity Solutions
- Murata Electronics_2
- MYIR
- Murata Power Solutions
- Mueller Electric
- Mpression
- Mountain Switch
- Monolithic Power Systems (MPS)
- MonoDAQ
- Monnit
- Modulo
- Mitsubishi Electric
- Murata Electronics_1
- MEC Switches
- MACOM
- MEAN WELL
- Marvell
- MG Chemicals
- MEMSIC
- Maxwell Technologies
- Mill-Max
- Mide
- MikroElektronika
- Microtips Technology