McKesson is a Fortune 10 healthcare services company founded in 1833, making it one of the oldest and largest enterprises in North America. With approximately 45,000 employees, it operates across four primary business segments: North American Pharmaceutical Distribution, Oncology and Multispecialty Solutions, Medical-Surgical Solutions, and Prescription Technology Solutions.
The scale of McKesson's distribution operations is considerable: the company handles approximately one-third of all pharmaceuticals used in North America, serving a broad range of customers including hospitals, physician offices, pharmacies, payors, and pharmaceutical manufacturers. Its technical domains span distribution logistics, data analytics, healthcare technology, oncology research, and care management.
McKesson's Prescription Technology Solutions segment supports pharmacy operations and prescription management, while its Oncology and Multispecialty Solutions arm focuses on clinical solutions, oncology research, and care management. The Medical-Surgical Solutions segment rounds out its supply and clinical offerings. The company has been involved in major public health responses, including COVID-19 vaccine distribution.
Roles at McKesson sit at the intersection of large-scale logistics, healthcare technology, and clinical services. The company's enterprise footprint - spanning continental distribution infrastructure, data platforms, and specialty care solutions - means that engineers, analysts, and technologists work within systems that have direct and measurable impact on how healthcare is delivered across North America.