THE KNOWLEDGE

McKesson Corporation Formerly Olcott & McKesson (1833–1853) McKesson & Robbins (1853–1999) McKessonHBOC (1999–2001) Type Public Industry Healthcare Founded New York City , United States 1833; 185 years ago Founder John McKesson Charles Olcott Headquarters San Francisco ,  California , U.S. Key people John Hammergren ( Chairman  and  CEO ) Products Pharmaceuticals Medical technology Health care services Revenue US$ 198.533 billion(2017) Operating income US$7.109 billion (2017) Net income US$5.153 billion (2017) Total assets US$60.969 billion (2017) Total equity US$11.095 billion (2017) Number of employees ~78,000 (2017) Subsidiaries Rexall Pharmacy Group Health Mart McKesson Corpora...

  UnitedHealth Group   UnitedHealth Group Incorporated Industry Managed health care Founded 1977; 41 years ago Founder Richard T. Burke Headquarters Minnetonka ,  Minnesota , U.S. Key people Richard T. Burke ( Chairman ) Dave Wichmann ( CEO ) Products Uniprise ,  Health Care Services , Specialized Care Services, and  Ingenix Revenue   US$ 201.1 billion (2017) Operating income  US$15.20 billion (2017) Net income  US$10.82 billion (2017) Total assets  US$139.0 billion (2017) Total equity  US$49.83 billion (2017) Number of employees 270,000 (2018) UnitedHealth Group Inc.  is an American for-profit  managed health care  company based in  Minnetonka ,  Minnesota . It is 5th in the United Sta...