McKesson moves medicine. The largest pharmaceuticals distributor in the US, McKesson delivers prescription and generic drugs, as well as health and beauty care products, to retail and institutional pharmacies throughout the US and Canada. The company is also a major North American medical supplies wholesaler, providing medical and surgical equipment to alternate health care sites, such as doctors' offices, surgery centers, and long-term care facilities. In addition to distribution services, McKesson offers software and technical services to health care providers and insurers that help them manage supply chain, clinical, administrative, and financial operations.