The Computer Science Corporation (CSC) was a major supplier of programming technology for systems operated by IBM and Honeywell, as well as directly to the government, initially by developing the flight operations facility at NASA’s Jet Propulsion Lab. For a time CSC was the largest software company in USA, doing mega-project systems integration, such as the defense department’s satellite network. In 2015 it spun off its government national security work as a new company, CSRA, which is now part of General Dynamics. The remains of CSC merged with Hewlett Packard Enterprise, and became DXC, headquartered in Virginia. CSC was co-founded in Los Angeles in 1959, by a co-creator of the Fortran programming language, and was headquartered in El Segundo for decades. Its original headquarters building in El Segundo is now leased to other companies.