Merck & Co., Inc.

Merck & Co., Inc. is a global healthcare company providing innovative health solutions through prescription medicines, including biologic therapies, vaccines, and animal health products. The company manages its operations primarily on a product basis, with two reportable operating segments: Pharmaceutical and Animal Health. The Pharmaceutical segment encompasses human health pharmaceutical and vaccine products. Human health pharmaceutical products are therapeutic and preventive agents, generally sold by prescription, for treating human disorders. Merck sells these products mainly to drug wholesalers and retailers, hospitals, government agencies, and managed healthcare providers like health maintenance organizations and pharmacy benefit managers. Human health vaccine products include preventive pediatric, adolescent, and adult vaccines, sold primarily to physicians, wholesalers, distributors, and government entities. The Animal Health segment focuses on discovering, developing, manufacturing, and marketing a broad range of veterinary pharmaceutical and vaccine products, alongside health management solutions and services. These offerings aim to prevent, treat, and control diseases in all major livestock and companion animal species. This segment also provides a comprehensive suite of digitally connected identification, traceability, and monitoring products. Merck sells its animal health products to veterinarians, distributors, animal producers, farmers, and pet owners.