Marken
- M3 Mobile
- Mad Monkey
- Magiboards
- Magic Whiteboard
- MAGTEK
- Malinos
- Maltron
- Manhattan
- Marcato
- Marketing
- Marshall
- MarWus
- Matias
- Matrox
- MATTEL
- Maul
- Maxell
- Maxwell House
- M-Cab
- McAfee
- MCL
- MEATER
- Media Vision
- MEDIAPHONE
- MediaRange
- Medigenic
- Medisana
- Melitta
- Mellanox Technologies
- Menatwork
- MERCURY
- MERCUSYS