• Medinsa (Laboratiorios Medicamentos Internationales S.A.)
• Medis International a.s.
• Medis International a.s. Pharmazet Group s.r.o.
• Medis International a.s. Pharmazet Group s.r.o. Synthon B.V. Synthon Hispania S.L.
• Medis International a.s. Qualimetrix S.A.
• Medis International a.s. Saneca Pharmaceuticals a.s.
• Medis International a.s. vyrobni zavod Bolatice
• Medis International a.s. vyrobni zavod Bolatice Pfizer Manufacturing Deutschland GmbH
• Medis International as, production plant Bolatice Monteresearch s.r.l.
• Medis, d.o.o.
• Meditop Pharmaceutical Ltd.
• Meditop Pharmaceutical Ltd. US Pharmacia Sp. z o.o.
• Meditop Pharmaceuticals Co. Ltd. neuraxpharm Arzneimittel GmbH
• Meditrial Internationals Ltd S.C. Polisano Pharmaceuticals S.R.L.
• Medochemie Ltd
• Medochemie Ltd (Factory B-Injectable Facility)
• Medochemie Ltd – Central Factory
• Medochemie Ltd.
• Medochemie Ltd. (Facility Ampoules Inj.)
• Medochemie Ltd. (Factory AZ)
• Medochemie Ltd., Facility A-Z Zakłady Farmaceutyczne POLPHARMA S.A.
• Meiji Pharma Spain S.A.
• Menarini Benelux N.V./S.A.
• Menarini International O.L., S.A.
• Menarini International Operations Luxembourg S.A.
• Menarini International Operations Luxembourg SA
• Menarini-Von Heyden GmbH
• Mepha Pharma GmbH Mepha Polska Sp. z o.o. Merckle GmbH
• Mepha Polska Sp. z o.o. Teva Operations Polska Sp. z o.o.
• Merck A.E.
• Merck B.V.
• Merck Bulgaria EAD
• Merck Gesellschaft mbH
• Merck GmbH
• Merck Healthcare Germany GmbH
• Merck Healthcare KGaA
• Merck Healthcare KGaA Merck S.L.
• Merck Healthcare KGaA Merck Sante s.a.s. Merck S.L.
• Merck Healthcare KGaA Merck Sante s.a.s. Centre de Production de Semoy Merck S.L.
• Merck Healthcare KGaA Merck Santé S.A.S Merck S.L.
• Merck Romania SRL
• Merck S.L.
• Merck Sante s.a.s. Merck S.L.
• Merck Sante s.a.s. Merck S.L. N.Petsiavas S.A. Petsiavas S.A.
• Merck Sante s.a.s. Merck S.L. N.Petsiavas S.A. Petsiavas S.A. Pharma-Pach Gyogyszergyarto es Szolgaltato Kft
• Merck Santé S.A.S Merck, SL
• Merck Serono (Ireland) Limited
• Merck Serono SIA
• Merck Sharp & Dohme B.V.
• Merck Sharp & Dohme B.V. N.V. Organon