CACI International Inc., founded in 1962 and headquartered in Arlington, Virginia, United States, is a technology and professional services company that provides specialized IT, cybersecurity, and intelligence solutions to U.S. federal agencies. The company generates revenue primarily through long-term government contracts and is known for its secure information systems and digital transformation services. Under the leadership of CEO John M. Mengucci since 2017, CACI remains a key player in defense and intelligence contracting with strategic plans to expand its cybersecurity footprint.