McKesson Corporation is a health care services and information technology company. McKesson operates through two segments: The Distribution Solutions segment distributes branded and generic pharmaceutical drugs along with other healthcare-related products on a global basis worldwide. The segment also provides practice management, technology, clinical support and business solutions to community-based oncology and other specialty practices. In addition, the segment provides specialty pharmaceutical solutions for pharmaceutical manufacturers including offering multiple distribution channels and study access to oncology physicians. The Technology Solutions segment provides enterprise-wide clinical, patient care, financial, supply chain, and strategic management software solutions. per segment realignment, McKesson reported revenues through four segments: U.S. Pharmaceutical and Specialty Solutions, Internation, Medical-Surgical Solutions and Prescription Technology Solutions.