McKesson Corporation provides healthcare supply chain management, retail pharmacy, community oncology and specialty care, and healthcare information solutions in the United States and internationally. It operates through four segments: U.S. Pharmaceutical, International, Medical-Surgical Solutions, and Prescription Technology Solutions (RxTS). The U.S. Pharmaceutical segment distributes branded, generic, specialty, biosimilar, and over-the-counter pharmaceutical drugs and other healthcare-related products. This segment also provides practice management, technology, clinical support, and business solutions to community-based oncology and other specialty practices; and consulting, outsourcing, technological, and other services, as well as sells financial, operational, and clinical solutions to pharmacies. The International segment offers distribution and services to wholesale, institutional, and retail customers in 13 European countries and Canada. The Medical-Surgical Solutions segment provides medical-surgical supply distribution, logistics, and other services to healthcare providers. The RxTS segment offers CoverMyMeds solution to help patients get the medications; RelayHealth, a workflow solution; RxCrossroads solution for therapies and interventions to biopharma manufacturers; and McKesson Prescription Automation, a customized pharmacy automation technology; and Multi-Client Central Fill as a Service, a pharmacy. McKesson Corporation was founded in 1833 and is headquartered in Irving, Texas.