| Meta Media Holding Limited |
| METCON Group Private Ltd |
| Method Products Inc |
| Metro Athleisure Limited (old name Cravatex Limited) |
| Metro Bank Plc |
| MFM Holding Ltd |
| MHL Goup Holdings Ltd |
| Micron Technology Inc |
| Microsoft Corporation |
| Middlesex University |
| Midsona |
| Midwest Tapes LLC |
| Miele family & Zinkann family |
| Mindshare |
| Minerva Testing |
| Minor Figures Limited |
| Minor International Public Company Limited |
| MIRAS Kulturel Surdurulebilirlik Dernegi |
| Mirova S.A. |
| Miss Selfridge Retail Limited |
| Missguided Ltd |
| Misurata University |
| Mitsubishi Corporation |
| Mitsubishi Corporation Exploration Co., Ltd. |
| Mitsubishi Electric Corporation |