Politics and Business magazines
- Migros-Genossenschafts-Bund
- MIH Limited
- Mikasa, Inc.
- Mike-Sell’s Inc.
- Mikohn Gaming Corporation
- Milacron, Inc.
- Milan AC S.p.A.
- Milbank, Tweed, Hadley & McCloy
- Miles Laboratories
- Millea Holdings Inc.
- Millennium & Copthorne Hotels plc
- Millennium Pharmaceuticals, Inc.
- Miller Industries, Inc.
- Miller Publishing Group, LLC
- Milliman USA
- Milnot Company
- Milton Bradley Company
- Milton CAT, Inc.
- Milwaukee Brewers Baseball Club
- Mine Safety Appliances Company