Leidos, previously known as Science Applications International Corporation or SAIC, is an American defense company headquartered in Reston, Virginia, that provides scientific, engineering, systems integration, and technical services. Leidos works extensively with the United States Department of Defense, the United States Department of Homeland Security, and the United States Intelligence Community, including the National Security Agency, as well as other U.S. government civil agencies and selected commercial markets. On September 27, 2013, SAIC changed its name to Leidos and spun-off a $4 billion government services and information technology company, which retained the name Science Applications International Corporation. Before the split, Leidos employed 39,600 employees and reported $11.17 billion in revenue and $525 million net income for its fiscal year ended January 31, 2013, making it number 240 on the Fortune 500 list. After the split Leidos is projected to have $7 billion in revenue and 23,000 employees. read more