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
Oracle Corporation products. Despite the SAP partnership with Microsoft, and the increasing integration of SAP applications with Microsoft products (such as Microsoft SQL Server, a competitor to Oracle Database), Oracle and SAP continue their cooperation. According to Oracle Corporation, the majority of SAP's customers use Oracle databases. In 2004, Oracle began to increase its interest in the enterprise-applications market (in 1989, Oracle had already released Oracle Financials). A series of acquisitions by Oracle Corporation began, most notably with those of PeopleSoft, Siebel Systems and Hyperion. SAP recognized that Oracle had started to become a competitor in a market where SAP had the