McKesson Corporation is the largest health care company in the world, with sales of $106.6 billion in 2009. McKesson is based in the United States 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 15th largest company in the United States. Founded in New York City as Olcott & McKesson by Charles... Olcott and John McKesson in 1833, the business began as an importer and wholesaler of botanical drugs. A third partner, Daniel Robbins joined the enterprise as it grew, and it was renamed McKesson & Robbins following Olcott's death in 1853. The company successfully emerged from one of the most notorious business/accounting scandals of the 20th century -- the McKesson & Robbins scandal, a watershed event that led to major changes in American auditing standards and securities regulations after being exposed in 1938.
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| NYSE symbol: | MCK |
| Founded: | 1833 |
| Headquarters: | San Francisco, California |
| Annual revenue: | $106,632,000,000 |
| Net income: | $823,000,000 |
| Operating income: | $990,000,000 |
| Market cap: | $19,000,000,000 |
| Employees: | 32,900 |
| Industries: | Health care, Drugs and Druggists' Sundries Merchant Wholesalers |