The Oracle Corporation is a multinational computer technology corporation headquartered in Redwood City, California, United States. The company specializes in developing computer hardware systems and enterprise software products – particularly its own brands of database management systems. As of 2011, Oracle is the second-largest software maker by revenue

The company also builds tools for database development and systems of middle-tier software, enterprise resource planning (ERP) software, customer relationship management (CRM) software and supply chain management (SCM) software.
Oracle website