MAll Manufacturers
- Murata / IPDiA
- M5Stack
- MACOM
- Maestro Wireless Solutions
- Magnecraft
- Mallory
- Mallory Sonalert
- Marktech Optoelectronics
- Marquardt Switches Inc
- Marvell Semiconductor
- Masach Tech
- MATRIX Industries
- Matrix Orbital
- Maxim Integrated
- MaxLinear
- MaxStream
- Maxtena
- Maxwell Technologies
- Micro Commercial Components (MCC)
- MEAN WELL
- MEC Switches
- MEDER electronic (Standex)
- Medium One
- Meggitt
- Megladon Manufacturing
- Melexis
- MEMSIC
- Menda
- Merit Sensor
- Metcal
- MG Chemicals
- MH Connectors
- Micrel
- Micrium
- Micro Crystal
- MICRO SWITCH / Honeywell
- micro:bit
- MicroCare
- Microchip Technology
- Micron
- Microsemi / Microchip
- Microtips Technology
- Mide Technology
- Midwest Microwave / Cinch Connectivity Solutions
- Mikroe
- Mill-Max
- Mini-Circuits
- Mobix Labs
- Molex
- Monnit
- MonoDAQ
- Monolithic Power Systems (MPS)
- Morpheans
- Mountain Switch
- Move-X
- Mpression
- Mueller Electric
- MultiTech
- Murata
- MYIR Tech