#9 McKesson

Company Name	McKesson Corporation
Founded	1833
Founders	John McKesson, Charles Olcott
Headquarters	Irving, Texas, USA
Industry	Healthcare, Pharmaceuticals, Medical Supplies
Revenue (2023)	$264.5 billion (approx.)
Market Capitalization	~$260 billion (as of 2024)
CEO	Brian Tyler
Employees	~48,500 (approx.)
Key Products/Services	Pharmaceutical distribution, healthcare technology, medical supplies
Global Presence	Operations in over 20 countries
Stock Symbol	MCK (NYSE)
Key Acquisitions	Celesio (2014), Change Healthcare (2021)
Notable Ventures	McKesson Ventures (investments in healthcare tech)

1833	McKesson is founded by John McKesson and Charles Olcott in New York as a pharmaceutical distributor.
1853	McKesson begins expanding its operations, offering a wider range of medicines and healthcare products.
1900s	McKesson continues growth, establishing a national distribution network for pharmaceutical products.
1920s	The company diversifies, adding medical supplies and expanding into the wholesale distribution of drugs.
1960s	McKesson merges with Cunningham Drug to form McKesson Corporation, becoming a major force in the U.S. healthcare industry.
1980s	McKesson enters the medical supply and healthcare services industries, expanding beyond drug distribution.
1999	McKesson merges with HBO & Company, a leading provider of healthcare information technology.
2000s	McKesson becomes a leading provider of healthcare technology, focusing on electronic health records and pharmacy automation.
2014	McKesson acquires Celesio, a European pharmaceutical wholesaler, expanding its global presence.
2017	McKesson acquires US Oncology, a major provider of cancer treatment services.
2021	McKesson acquires Change Healthcare, expanding into healthcare IT and analytics.
Present	McKesson continues to grow globally and expand its reach in the pharmaceutical, medical supply, and healthcare technology markets.