Established in 1969, Science Applications International Corp. is one of the leading scientific, engineering, and technology applications companies in the United States. Located in Oakland, Calif., the company provides various national security products, including portable X-ray inspection systems to detect explosives. It also offers renewable energy solutions, alternative fuels, and environment and infrastructure solutions. Additionally, the company provides critical infrastructure systems for emergency management, food safety/defense and health care services. Its list of clients includes U.S. Department of Defense (DoD) and U.S. Department of Homeland Security (DHS).