Politics and Business magazines
- Madrange SA
- Mag Instrument, Inc.
- Magellan Aerospace Corporation
- MaggieMoo’s International
- Magma Copper Company
- Magma Design Automation Inc.
- Magma Power Company
- Magneti Marelli Holding SpA
- Magyar Telekom Rt
- MAI Systems Corporation
- Maid-Rite Corporation
- Maidenform Worldwide Inc.
- Maidenform, Inc.
- Mail-Well, Inc.
- Maine & Maritimes Corporation
- Maine Central Railroad Company
- Maines Paper & Food Service Inc.
- Maison Louis Jadot
- Malayan Banking Berhad
- Malaysian Airlines System Berhad