Company Story
1833 - Oliver Cheney and John McKesson founded the company as a wholesale drug business in New York City.
1850 - The company was renamed McKesson & Robbins after John McKesson's brother, Charles, joined the business.
1894 - The company was officially incorporated as McKesson & Robbins, Inc.
1925 - The company went public with an initial public offering (IPO).
1967 - The company changed its name to McKesson Corporation.
1991 - The company acquired four healthcare companies, expanding its presence in the healthcare industry.
1995 - The company launched its first e-commerce platform for healthcare customers.
2001 - The company acquired HBO & Company, a healthcare information technology company.
2010 - The company acquired US Oncology, a network of community-based oncologists.
2014 - The company acquired Celesio, a European pharmaceutical distributor.
2016 - The company acquired Rexall Health, a Canadian retail pharmacy chain.