Leidos Holdings, Inc. is a U.S.-based science, engineering, and technology company serving government and commercial customers. Headquartered in Reston, Virginia, it operates across defense, intelligence, civil, and health markets, providing systems integration, digital modernization, data analytics, cybersecurity, and mission engineering. The company traces its roots to Science Applications International Corporation (SAIC) and adopted the Leidos name following a corporate separation in 2013.
For industrial and public-sector clients, Leidos delivers services relevant to the chemical value chain and its regulatory environment, including environmental science and engineering, laboratory and analytical support, hazardous materials and safety programs, CBRN (chemical, biological, radiological, nuclear) preparedness and detection, and compliance and remediation projects. It also supports energy and utility infrastructure, industrial control systems, and asset performance through engineering, modeling, and data-driven operations.
