Marchi
- M3 Mobile
- Macom
- Magiboards
- Magic Whiteboard
- MAGIX
- Maimeri
- Makerbot
- Maltron
- Manfrotto
- Maped
- Marketing
- Markin
- Marshall
- MarWus
- Masterlock
- Matias
- Matrox
- MAVERICK
- Maxell
- Maxwell House
- MCAFEE
- Media Vision
- Mediaset Premium
- Medigenic
- Meliconi
- Melitta
- Mellanox Technologies
- MERCURY
- Mercusys
- MERIDIAN
- META
- METAPACE
- Method
- Metodo