Leidos, Inc., formerly known as Science Applications International Corporation (SAIC), is an American multinational company that provides scientific, engineering, and technical services, as well as information technology (IT) solutions for a variety of industries, including defense, intelligence, civil, and health markets. The company was founded by Dr. J. Robert Beyster in 1969 and is headquartered in Reston, Virginia, United States.
Leidos operates in four primary business segments: