McKesson Corporation is an American company distributing pharmaceuticals and providing health information technology, medical supplies, and care management tools. The company had revenues of $231.1 billion in 2020. McKesson is based in Irving, Texas and distributes health care systems, medical supplies and pharmaceutical products. Additionally, McKesson provides extensive network infrastructure for the health care industry; also, it was an early adopter of technologies like bar-code scanning for distribution, pharmacy robotics, and RFID tags. It is a Fortune Global 500 company, and the 6thnhighest revenue generating company in the United States.