McKesson Corp. engages in the provision of supply chain management solutions, retail pharmacy, community oncology and specialty care, and healthcare information technology. It operates through the McKesson Distribution Solutions and McKesson Technology Solutions business segments. The McKesson Distribution Solutions segment istributes brand, generic, specialty, biosimilar and over-the-counter pharmaceutical drugs and other healthcare-related products worldwide. The McKesson Technology Solutions segment provides clinical, financial, and supply chain management solutions to healthcare organizations. The company was founded by John McKesson and Charles Olcott in 1833 and is headquartered in Wilmington, DE.