MRK

Merck & Co., Inc. is a multinational, research‑driven biopharmaceutical company that discovers, develops, manufactures and markets prescription medicines, vaccines, biologic therapies and animal health products. It operates within the healthcare sector, specifically the pharmaceuticals and biotechnology industry, serving patients, health systems and veterinarians worldwide. The firm is known for its leading oncology drug Keytruda, a broad portfolio of vaccines such as Gardasil, and a substantial animal health business, giving it a strong global market position among the world’s largest pharmaceutical companies.