Merck & Co., Inc. is a global biopharmaceutical company headquartered in Rahway, New Jersey, United States. Founded in 1891, it discovers, develops, manufactures, and markets prescription medicines, vaccines, and biologic therapies, and operates a global animal health business. The company is known as MSD (Merck Sharp & Dohme) outside the United States and Canada. Merck is listed on the New York Stock Exchange under the ticker MRK. It is not affiliated with Merck KGaA of Darmstadt, Germany.
Merck’s activities span early research through large‑scale manufacturing, including drug substance (API) and drug product technologies, biologics and vaccine production, sterile and formulation operations, and global supply. Key therapeutic areas include oncology, vaccines, infectious diseases (including HIV), cardiometabolic diseases, and immunology. The company maintains a substantial R&D footprint and collaborates with academic, biotech, and industry partners to advance new modalities and process technologies relevant to the life sciences and broader chemical value chain.
To provide comprehensive coverage, we aggregate data and news under the name Merck, encompassing the following company names, divisions, and related entities:
MSD, Merck Sharp & Dohme, MSD Animal Health, Merck & Co., Inc., and Merck Animal Health.
This list encompasses current and former names, alternate names, and key divisions associated with Merck, ensuring you can easily find all relevant information under a single, unified profile.