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Merck & Co.
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<p>Merck & Co., Inc. is an American <a href="/facts/Multinational_corporation/qrMQSMTb">multinational</a> <a href="/facts/Pharmaceutical/h9mhwWP2">pharmaceutical</a> company headquartered in <a href="/facts/Rahway%2c_New_Jersey/LIqLC9rj">Rahway, New Jersey</a>. The company does business as Merck Sharp & Dohme or MSD outside the United States and Canada. It is one of the largest pharmaceutical companies in the world, generally ranking in the global top five by revenue. </p><p>Merck & Co. was originally established as the American affiliate of Merck Group in 1891. Merck develops and produces medicines, vaccines, biologic therapies and animal health products. It has several blockbuster products, including <a href="/facts/Cancer_immunotherapy/0QKPeh5x">cancer immunotherapy</a>, anti-diabetic medications, and vaccines for <a href="/facts/HPV/7XW8mjG2">HPV</a> and <a href="/facts/Chickenpox/XkGzx2GE">chickenpox</a>, each generating significant revenue as of 2020. </p><p>The company is ranked 71st on the 2022 <a href="/facts/Fortune_500/BLeHWymz"><i>Fortune</i> 500</a> and 87th on the 2022 <a href="/facts/Forbes_Global_2000/cpxW0UVa"><i>Forbes</i> Global 2000</a>, both based on 2021 revenues. In 2023, the company’s seat in the <i>Forbes</i> Global 2000 was 73. </p>