McKesson Corporation offers medicines, pharmaceutical supplies, and information and care management products and services for the healthcare industry. It operates through two segments, Distribution Solutions and Technology Solutions. The Distribution Solutions segment distributes ethical and proprietary drugs, medical-surgical supplies and equipment, and health and beauty care products in North America. This segment also provides specialty pharmaceutical solutions for biotech and pharmaceutical manufacturers; and sells financial, operational, and clinical solutions for retail, hospital, and long-term care pharmacies, as well as provides consulting, outsourcing, and other services. The Technology Solutions segment offers enterprise-wide clinical, patient care, financial, supply chain, and strategic management software solutions. It also offers pharmacy automation for hospitals, as well as connectivity, outsourcing and other services, including remote hosting and managed services to healthcare organizations. In addition, this segment provides InterQual claims payment solutions, medical management software, and care management programs. Its customers include hospitals, physicians, homecare providers, retail pharmacies, and payors in North America, the United Kingdom, Ireland, other European countries, Asia Pacific, and Israel.

The company was founded in 1833 and is based in San Francisco, California.