Computer Sciences Corporation is an American information technology and business services company headquartered in Falls Church, Virginia, USA. CSC predominantly provides IT services in the following areas: systems integration and professional services; enterprise application development and management; application software for the financial services industry; business process outsourcing; managed hosting services; and application and IT infrastructure outsourcing. CSC's consulting and professional services include advising clients on the acquisition and utilization of IT and on business strategy, security, modeling, simulation, engineering, operations, change management and business process reengineering. CSC serves Fortune Global 1000 companies in fifteen industries and national and local governments. CSC employs about 93,000 people in 90 countries and ranks among the largest outsourcing companies in the world.