CACI International, Inc. operates as holding company, which engages in the provision of information solutions and services in support of national security missions and government transformation for intelligence, defense, and federal civilian customers. It operates through the Domestic Operations and International Operations segment. The Domestic Operations segment offers information solutions and services to U.S. federal government agencies, state and local governments, and commercial enterprises to different market areas, including business systems, command and control, communications, cyber security, enterprise information technology (IT), health, intelligence services, investigation and litigation support, logistics and material readiness, and surveillance and reconnaissance. The International Operations segment includes the provision of IT services and proprietary data and software products, serving commercial and government customers. The company was founded by Herb Karr and Harry Markowitz in July 1962 and is headquartered in Arlington, VA.