The Oracle Corporation is an American global computer technology corporation, headquartered in Redwood City, California, United States. The company primarily specializes in developing and marketing computer hardware systems and enterprise software products particularly its own brands of database management systems. In 2011 Oracle was the second-largest software maker by revenue, after Microsoft. The company also develops and builds tools for database development and systems of middle-tier software, enterprise resource planning software, customer relationship management software and supply chain management software.
Rackspace Inc. is a managed cloud computing company based in Windcrest, Texas, USA, a suburb of San Antonio, Texas. The company also has offices in Australia, the United Kingdom, Switzerland, Israel, and Hong Kong, and data centers operating in Texas, Illinois, Virginia, the United Kingdom, Australia, and Hong Kong. The company's email and apps division operates from Blacksburg, VA; other offices are located in Austin, Texas and San Francisco, California.