Merck & Co., Inc.

Merck & Co., Inc., operating as MSD outside the United States and Canada, is a global biopharmaceutical manufacturer headquartered in Rahway, New Jersey. The company researches, develops, and manufactures prescription medicines, biological therapies, vaccines, and animal health products. Key research areas focus on oncology, infectious diseases, cardiometabolic conditions, immunology, neuroscience, and ophthalmology. MSD conducts extensive clinical trials and biopharmaceutical research programs worldwide. The organization partners with healthcare providers, academic institutions, biotechnology companies, and government health agencies. Its animal health division provides veterinary pharmaceuticals, livestock management technology, and companion animal vaccines. MSD operates global research facilities and distributes human and animal health solutions across international markets.