Merck & Co., Inc.

Merck & Co., Inc. is a leading global healthcare company dedicated to delivering innovative health solutions through its prescription medicines, vaccines, biologic therapies, and animal health products. Established in 1891 as the American affiliate of the Merck Group, it became an independent entity in 1917. The company's portfolio includes treatments for various diseases, vaccines for infectious diseases, and animal health products. With a global presence, Merck operates in over 140 countries, serving millions of patients worldwide. The company's mission is to use the power of leading-edge science to save and improve lives around the world. In 2025, Merck reported revenues of $65.0 billion, with significant contributions from cancer treatments, vaccines, and animal health products. Merck is ranked fifth among the largest biomedical companies by revenue and is committed to advancing healthcare through research and development.