McKesson Corporation provides pharmaceuticals and medical supplies in the United States and internationally. It operates through three segments: U.S. Pharmaceutical and Specialty Solutions, European Pharmaceutical Solutions, and Medical-Surgical Solutions. The company distributes branded, generic, specialty, biosimilar, and over-the-counter pharmaceutical drugs, as well as other healthcare-related products; and offers practice management, technology, clinical support, and business solutions to community-based oncology and other specialty practices, as well as solutions for life sciences companies. It also provides financial, operational, and clinical solutions to pharmacies; and consulting, outsourcing, and other services. In addition, the company provides distribution and services to wholesale, institutional, and retail customers and serves patients and consumers in 13 European countries through its own pharmacies and participating pharmacies; and medical-surgical supply distribution, logistics, and other services to healthcare providers. Further, it provides automation solutions to its retail and hospital customers; health information exchange solutions that streamline clinical and administrative communication; and innovative technologies that support retail pharmacies and manufacturers. The company has a strategic collaboration with Aetion, Inc. to advance cancer research with real-world data. McKesson Corporation was founded in 1833 and is headquartered in Irving, Texas.