McKesson Corporation

McKesson Corporation (NYSE: MCK) is an impact-driven healthcare organization and one of the largest companies in the United States by revenue, serving as the logistical and operational backbone of the U.S. healthcare system. Founded in 1833 and headquartered in Irving, Texas, McKesson distributes pharmaceuticals and medical supplies to pharmacies, hospitals, clinics, and other healthcare settings through 344+ U.S. distribution facilities, completing approximately 40,000 deliveries every day. The company operates across four business segments — North American Pharmaceutical, Oncology & Multispecialty, Prescription Technology Solutions, and Medical-Surgical Solutions — and supports approximately 43,000 employees worldwide.