Parsons Corporation provides technology based solutions in the defense, intelligence, and critical infrastructure markets in North America, the Middle East, and internationally. It operates in two segments, Federal Solutions and Critical Infrastructure. The company offers cybersecurity software and engineering services, hardware prototyping, and other technical services to the U.S. Army and the United States intelligence community; ThunderRidge, a tool that assists cyber operational users to develop action plans, assess cyber threats, and disseminate situational awareness in real-time; and geospatial intelligence, big data analytics, and threat mitigation technology services to the defense, intelligence, space and command, control, communications, computer, cyber, intelligence, surveillance, and reconnaissance. It also provides mission planning for space situational awareness, small satellite systems integration, electronic warfare, directed energy modeling and simulation, and command and control systems and support to the Missile Defense Agency, the U.S. Air Force, and the U.S. Army; converged cyber-physical solutions for critical infrastructure, and global military mission readiness and training services to the Federal Aviation Administration and the U.S. Army; and technology services for advanced energy production systems, healthcare systems, environmental systems, and related infrastructure. In addition, the company offers intelligent transportation system management, train controls integration, smart cities software, and critical infrastructure cyber protection to the transportation authorities, rail, and transit entities; engineering services for complex infrastructure, including bridges and tunnels, roads and highways, airports, and rail and transit; and engineering, program management, and environmental solutions to private-sector industrial clients and public utilities. Parsons Corporation was founded in 1944 and is headquartered in Centreville, Virginia.