Marques
- M3 Mobile
- MAG Germany
- Magiboards
- Magic Whiteboard
- MAGTEK
- Maltron
- MANDIANT
- Manfrotto
- Manhattan
- Marketing
- Martel Instruments
- MarWus
- Matias
- Matrox
- Maxell
- Maximum
- Maxwell House
- MCAFEE
- MCL
- MEAN WELL
- Media Vision
- MediaRange
- Medigenic
- Melitta
- Mellanox Technologies
- MERCURY
- MERCUSYS
- MERIDIAN
- Metapace
- Mettler