CACI International Inc. is a technology and professional services company that provides information solutions primarily to government clients. The company focuses on supporting national security missions and government modernization for U.S. intelligence, defense, and federal civilian agencies. Its offerings span enterprise IT, digital solutions, cyber security, command and control, communications, data and business analytics, and specialized engineering services. CACI International Inc. operates through domestic and international segments, with the domestic operations segment generating most of its business from U.S. federal agencies. Internationally, the company delivers IT services, data solutions, and software products, including through subsidiaries in Europe. Headquartered in Reston, Virginia, CACI International Inc. plays a significant role in helping government customers manage complex missions, modernize legacy systems, and enhance operational resilience across critical national security and public sector environments.