Computer Sciences Corporation (CSC) is an American multinational corporation that provides information technology (IT) services and professional services. Its headquarters are located in Falls Church, Virginia. CSC has 90,000 employees in over 70 countries. Its clients include commercial enterprises and the U.S. federal government, as well as state, local and non-U.S. government agencies.
CSC employs about 90,000 employees (as of March 29, 2013) in 70 countries and ranks among the largest outsourcing companies in the world. Geographically, CSC has major operations throughout North America, Europe, Asia and Australia.
The company delivers these services through three broad service lines or sectors:
North American Public Sector (NPS): a leading federal contractor that provides IT-related and mission/operations-related services to the U.S. federal government (since 1961) and is one of its major IT service providers.
Managed Services Sector (MSS): provides information systems outsourcing services to clients in a broad array of industries, including aerospace and defense, automotive, chemical and natural resources, consumer goods, financial services, healthcare, manufacturing, retail and distribution, telecommunications, and technology.
Business Solutions and Services (BSS): serves a broad array of industries, providing industry specific solutions in areas such as consulting and systems integration, business process outsourcing, and intellectual property-based software to chemical, energy and natural resources; financial services; technology and consumer; manufacturing; healthcare; and public sector organizations. In addition, BSS provides professional technology staffing services in Australia, computer equipment repair and maintenance services in Asia, and credit reporting services in the United States.
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Ranked 8th in Software Magazine’s Software 500 ranking of the world’s largest software and service providers.
Awarded Gold Level Achievement for the American Heart Association’s (AHA) 2012 Fit-Friendly Companies Recognition program My Heart. My Life.
Recognized by Corporate Responsibility Magazine as one of the Best Corporate Citizens in government contracting for both 2011 and 2012.
Ranked in the top 50 greenest companies in America in the 2011 Newsweek Green Rankings.
Ranked in the top ten by Corporate Responsibility Magazine as one of the “Industry Sector Best Corporate Citizens in Business Services” for 2011.
Identified as a “Leader” in the March 11, 2011, Forrester Research, Inc. report “The Forrester Wave™: Global IT Infrastructure Outsourcing, Q1 2011”.
Selected as a top simulation and training company (for the third consecutive year in 2011) by Military Training Technology, a member of Kerrigan Media Group.
Recognized by FORTUNE magazine as one of the “World’s Most Admired Companies” - ranked number five (2010) and four (2011) in the Information Technology Services category.
Ranked 3rd in both 'Buy Side Contract Management' and 'Sell Side Contract Management' in the 2010 annual survey of the Top Companies in Contract Management published by The International Association of Contract and Commercial Management (IACCM). 
In December 2011, the non-partisan organization Public Campaign criticized CSC for spending $4.39 million on lobbying and not paying any taxes during 2008–2010, instead getting $305 million in tax rebates, despite making a profit of $1.67 billion.
In February 2011, the SEC launched a fraud investigation into CSC’s accounting practices in Denmark and Australian business. CSC's CFO Mike Mancuso confirmed that accounting errors and intentional misconduct by certain personnel in Australia prompted SEC regulators to turn their gaze to Australia. Mancuso also stated that the alleged misconduct includes $19 million in both intentional accounting irregularities and unintentional accounting errors.
The company has been accused of breaching human rights by arranging several illegal rendition flights for the CIA between 2003 and 2006, which also has led to criticism of shareholders of the company, including the governments of Norway and Britain.