Merck & Co., Inc., d.b.a. Merck Sharp & Dohme outside the United States and Canada, is an American multinational pharmaceutical company headquartered in Kenilworth, New Jersey. It is named after the Merck family, which set up Merck Group in Germany in 1668. Merck & Co. was established as an American affiliate in 1891. Merck develops and produces medicines, vaccines, biologic therapies and animal health products. It has multiple blockbuster drugs or products each with 2020 revenues including cancer immunotherapy, anti-diabetic medication and vaccines against HPV and chickenpox.
The company is ranked 69th on the 2021 Fortune 500 and 92nd on the 2021 Forbes Global 2000, both based on 2020 revenues.