McKesson

McKesson provides health care services in the United States and internationally, operating a number of different businesses including distributing over-the-counter pharmaceutical drugs and other health-care-related products. Its prescription technology services business, meanwhile, serves biopharma and life sciences partners and works with patients to address medication challenges. Its medical-surgical solutions business offers various services to health care providers, including physician offices, surgery centers, nursing homes, hospital reference labs, and home health care agencies. McKesson was founded in 1833.