McKesson Corporation MCK NYSE

McKesson Corporation is a leading healthcare services company founded in 1833 and headquartered in Irving, Texas. Operating through four primary segments—U.S. Pharmaceutical, International, Medical-Surgical Solutions, and Prescription Technology Solutions—the company distributes a comprehensive range of pharmaceutical products including branded, generic, specialty, and biosimilar drugs across the United States and internationally. Beyond distribution, McKesson provides practice management solutions, technology platforms, and clinical support services to healthcare providers, pharmacies, and specialty practices, while its International segment serves wholesale, institutional, and retail customers across 13 European countries and Canada. The company also delivers medical-surgical supply distribution, logistics services, and innovative access and adherence solutions that connect pharmacies, providers, payers, and biopharmaceutical companies to address patient medication challenges.