• Medocemi Limited (production of finished medicinal product, primary packaging; full-cycle production)
• Medochemi Limited (full-cycle manufacturing)
• Medochemie LTD (Central Plant) (manufacturing of unpackaged product, batch release authorization)
• Medochemie LTD (Central Plant) (manufacturing under full cycle)
• Medochemie Limited
• Medochemie Limited (full cycle manufacturing; manufacturing of unpackaged product, quality control, batch release)
• Mefar Ilac San A.S.
• Mefar Ilac San. A.S.
• Mefar Ilac Sanayi A.S. (manufacturing, primary and secondary packaging, batch control)
• Mega Lifesciences Public Company Limited
• Mega Lifesciences Public Company Limited (manufacturer in bulk, batch release and quality control; primary and secondary packaging)
• Meiji Seika Pharma Co., Ltd., Odawara Plant
• Melbourne Scientific Limited (quality control)
• Menarini Manufacturing Logistics and Services S.r.l. (bulk production, packaging, batch release, batch control)
• Menarini-Fon Heyden GmbH
• Menarini-von Heyden GmbH (manufacturing "in bulk", packaging, control and batch release)
• Menarini-von Heyden GmbH (manufacturing "in bulk", primary and secondary packaging, quality control and batch release)
• Menarini-von Heyden GmbH (packaging)
• Mentholatum Company Limited
• Mepro Pharmaceuticals Private Limited
• Mepro Pharmaceuticals Pvt. Ltd.
• Merck Healthcare KGaA (manufacturing of finished medicinal product, primary and secondary packaging, labeling, quality control and batch release)
• Merck KGaA
• Merck KGaA & Co Werk Spittal (manufacturer in bulk, primary and secondary packaging, control)
• Merck Pharma GmbH & Co. KGaA (Primary and secondary packaging, quality control and batch release)
• Merck Pharma GmbH & Co. KGaA (Quality control and batch release)
• Merck Pharma GmbH & Co. KGaA (bulk products, primary and secondary packaging, quality control and batch release)
• Merck Pharma GmbH & Co. KGaA (manufacturer of unpacked product, primary and secondary packaging, quality control, batch release)
• Merck Pharma GmbH & Co. KGaA (quality control testing and batch release)
• Merck Pharma GmbH & Co. KGaA (quality control testing and batch release) / BAW Institute für Hygiene und Qualitätssicherung GmbH (quality control testing)
• Merck Sante (full-cycle manufacturing)
• Merck Santé
• Merck Serono S.A., branch in Obonne
• Merck Serono S.p.A.
• Merck Serono S.p.A. (manufacturing of unpackaged drug, primary and secondary packaging, quality control and batch release)
• Merck Sharp & Dohme B.V. (Batch release, testing at release)
• Merck Sharp & Dohme B.V. (packaging, batch release)
• Merck Sharp & Dohme B.V. (primary and secondary packaging, batch release authorization)
• Merck Sharp & Dohme B.V. (primary and secondary packaging, batch release)
• Merck Sharp & Dohme B.V. (primary and secondary packaging, quality control, batch release authorization)
• Merck Sharp & Dohme B.V. (primary and secondary packaging, quality control, testing at release, batch release authorization)
• Merck Sharp & Dohme LLC, USA (Manufacturing, primary packaging and analytical testing of vaccine)
• Merckle GmbH (batch release authorization)
• Merckle GmbH (batch release authorization; unpackaged product manufacturing, primary and secondary packaging, quality control)
• Merckle GmbH (batch release; manufacturing in bulk; primary and secondary packaging, quality control)
• Merckle GmbH (full-cycle manufacturing; quality control)
• Merckle GmbH (manufacturing of unpackaged product, batch release authorization; primary and secondary packaging, batch control)
• Merckle GmbH (manufacturing of unpackaged product, batch release authorization; primary and secondary packaging, quality control)
• Merckle GmbH (manufacturing of unpackaged product, primary and secondary packaging, batch control; batch release authorization)
• Merckle GmbH (manufacturing of unpackaged product, primary and secondary packaging, batch release authorization; batch control)