Politics and Business magazines
- Minebea Co., Ltd.
- Minerals and Metals Trading Corporation of India Ltd.
- Mining & Metals
- Minnesota Mining & Manufacturing Company
- Minnesota Power & Light Company
- Minnesota Power, Inc.
- Minntech Corporation
- Minolta Camera Co., Ltd.
- Minuteman International Inc.
- Miquel y Costas Miquel S.A.
- Miramax Film Corporation
- Miroglio SpA
- Misonix, Inc.
- Mississippi Chemical Corporation
- Mitchell Energy and Development Corporation
- Mitchells & Butlers PLC
- Mitel Corporation
- MITRE Corporation
- MITROPA AG
- Mitsubishi Chemical Corporation