Economy of the United States Corporation, Apple Inc., Verizon, JPMorgan Chase, and Cardinal Health. In 2013, eight of the world's ten largest companies by market capitalization were American: Apple Inc., ExxonMobil, Berkshire Hathaway, Walmart, General Electric, Microsoft, IBM, and Chevron Corporation. According to Fortune Global 500 2011, the ten largest U.S. employers were Walmart, U.S. Postal Service, IBM, UPS, McDonald's, Target Corporation, Kroger, The Home Depot, General Electric, and Sears Holdings. Apple, Google, IBM, McDonald's, and Microsoft are the world's five most valuable brands in an index published by Millward Brown. A 2012 Deloitte report published in "STORES" magazine indicated that of the world's top
Microsoft approximately $950 million, of which approximately $200 million will relate to severance payments. Microsoft provides information about reported bugs in their software to intelligence agencies of the United States government, prior to the public release of the fix. A Microsoft spokesperson has stated that the corporation runs several programs that facilitate the sharing of such information with the U.S. government. Following media reports about PRISM, NSA's massive electronic surveillance program, in May 2013, several technology companies were identified as participants, including Microsoft. According to leaks of said program, Microsoft joined the PRISM program in 2007. However, in June 2013, an