CACI International Inc (CACI), is an simulation technology company. The Company serves clients in the United States federal government and commercial markets, primarily throughout North America and internationally on behalf of United States customers, as well as in the United Kingdom and the Netherlands. The Company delivers information solutions and services to its clients. The Company's primary customers are agencies of the United States government. The Company operates two units: domestic operations and international operations. Its services are primarily targeted to the areas of defense, intelligence, homeland security and IT modernization. In July 2011, it acquired Pangia Technologies, LLC. In January 2013, the Company acquired IDL Solutions, Inc. In November 2013, CACI International Inc acquired Six3 Systems, Inc.