- MITS 7440
- MITS 816
- MITS 905M
- MITS 908M
- MITS 941M
- Mitsubishi Electric AMITY
- Mitsubishi Electric AMITY SP
- Mitsubishi Electric Corporation
- Mitsubishi Electric MELCOM EX900 series
- Mitsumi
- Miva Merchant
- MiX Telematics Limited
- Mixcraft
- Mixesoft
- MixLife Design LLC
- Mixonic, Inc.
- MixPad Audio Mixer
- MIZI Research
- MK-100F
- MK-130FA
- MK-50FB
- MK0200MAT
- MK1122FC
- MK1814GAV
- MK2001MPL
- MK2109MAF
- MK2124FC
- MK2428FB
- MK2428FC
- MK2720FB
- MK2720FC
- MK2728FB
- MK2728FC
- MK3207MAT
- MK3303MAN
- MK4309MAT
- MK6409MAV
- MKinsight ERM
- MKS Inc.
- MKS Integrity
- ML803PSII
- ML8580S
- ML905PSII
- MLS Multimedia S.A.
- MMC Multi Media Computers (PTY) Ltd.
- MMC Systems
- MMY Consulting, Inc
- MO Monitor TV series
- Mo'mix Solutions
- Mob4Hire
- Moba Software
- Mobelux
- Mobica
- MobiCommerce
- MobiGarda
- MobiGarda
- Mobile Create Co Ltd
- Mobile Knowledge Group Services, Inc.
- Mobile Sorcery
- Mobile Spy
- Mobile Systems International
- Mobile Systems, Inc.
- MobileAppDaily
- MobileDemand, LLC
- Mobiledit Lite
- MobileIron, Inc.
- MobileOffice AD450
- MobileOffice AD460
- MobileOffice D412
- MobileOffice S400
- MobileOffice S420
- MobileOffice S800
- Mobileye N.V.
- Mobilis Networks Limited
- Mobilitec
- Mobira Cityman 900
- Mobira Combi
- Mobira Oy
- Mobira Senator
- Mobius ES 670
- Mobius NT 650
- Mobius Partners Enterprise Solutions
- Mobius TL 675
- Mobius TL 680
- Mobius VS 650
- MobME
- Mobomo
- MoboVivo
- Mochek Interactive
- Mochio Umeda
- MOD Systems
- MODCOMP (Modular Computer Systems, Inc)
- Mode Analytics, Inc.
- Model 1 Magnetic Drum Unit
- Model 101 Magnetic Disk Pack Unit
- Model 301 Magnetic Drum Unit
- Model 801 Magnetic Disk Unit
- MODEL G-201 Magnetic Drum
- MODEL G-601 Magnetic Drum