- M.H.G.
- M.Е. Otsuka Co
- Maiulah koko tawau snd bnd
- Makson Pharmaceuticals
- MAM Hungaria Kft
- Mann & Schroeder CmbH
- MAPA GmbH
- Maps International SAS
- Marico Ltd
- Marine Lipids
- Mark of Fitness
- Market Union Co., Ltd
- Marshall Curtis Ltd
- Mavala S.A.
- Maxhealth Corporation
- Maxima Healthcare Ltd
- Maxima Optics Ltd.
- Maxus
- McKeon Products Inc
- McNroe Chemicals
- MDM Healthcare Deutschland GmbH
- MDM Healthcare Ltd and Bracey Overseas Ltd
- MED 2000 S.p.A.
- Med products
- Med-Eq AS
- Meda OTC AB произведено Etol Gesundheitspflege und Pharmaprodukte GmbH
- Medela AG
- Medex d.d
- Medex d.o.o
- Medgenix Benelux n.v.
- Medgenix Benelux n.v./Omega Pharma International NV
- Medica
- Medical Horizons
- Medical Indicators Inc.
- Medical International
- Medical Products Laboratories, Inc
- Medical Technology Products, Inc.
- Medics Project Ltd
- MediSense UK Ltd
- Meditech
- Medtronic MiniMed Inc
- Meelunie B.V.
- Mefar S.p.A.
- Meizhou Hengrun Biology Industry Co., Ltd
- Milbar Labs
- Milchwirtschaftliche Industrie Gesellschaft Herford GmbH & Co. KG
- Millot-Solac
- Miltom