- Maat Pharma
- maco-pharma
- Magis Farmaceutici Spa
- Majorelle
- Marinus Pharmaceuticals, LNC.
- Marlborough Pharmaceuticals Ltd
- Ltd
- Mayoly-spindler
- Medac
- Medac SAS
- Mediam
- Medipha Health
- = Médipha Santé SAS
- Medisol
- Mediwin Ltd | BIOPHARMA BV
- Medtronic BioPharma BV
- Medynex
- Melisana Pharma France
- Menarini France
- Merck Serono SAS
- Mercury Pharma Group
- Mercury Pharmaceuticals Ltd | NV
- Merial
- Merus NV
- Merz Aesthetics France
- Merz Pharma France
- Messer France SAS
- MicroPharm Ltd
- MILPHERMA LTD
- Miltenyi Biomicine
- MIP Pharma GmbH | Terapeutica
- Mirati Therapeutics
- Mirum Pharmaceuticals France SAS
- Mission Pharmaccal
- Mitem Pharma
- Mobius Therapeutics LLC
- MOC
- Moderna Biotech Spagna, SL
- Molnlycke Health Care
- MorningSoide Healthcare Ltd
- MSD Italia
- vaccini msd
- MT Pharma America
- Mundipharma
- Mundipharma Research Limited
- Mylan
- = Mylan Medical SAS
- Mylan Pharmaceuticals Limited
- Mylan SAS
