CACI International Inc is an American multinational professional services and information technology company headquartered in Arlington, Virginia. CACI provides services to many branches of the US federal government including defense, homeland security, intelligence, and healthcare. ,CACI has approximately 23,000 employees worldwide. ,CACI is a member of the Fortune 1000 Largest Companies, the Russell 2000 index, and the S&P MidCap 400 Index. ,CACI was founded by Herb Karr and Harry Markowitz, who left RAND Corporation in 1962 to commercialize the SIMSCRIPT simulation programming language. The company went public in 1968. "CACI", which was originally an acronym for "California Analysis Center, Incorporated", was changed to stand for "Consolidated Analysis Center, Incorporated" in 1967. In 1973, the acronym alone was adopted as the firm's official name; reflecting the name customers had grown familiar with. ,Their CACI Limited subsidiary was founded in 1975. ,In February 2020, CACI announced the hiring of former White House staffer Daniel Walsh[disambiguation needed] as corporate strategic adviser and senior vice president. ,CACI's SIMSCRIPT software product line added object-oriented capability, and added a new government contracting area: Space. ,On June 9, 2004, a group of 256 Iraqis sued CACI International and Titan Corporation in U.S. federal court regarding CACI's alleged involvement in the Abu Ghraib prison matter. ,Details are still, in 2018, under review by authorities. ,A 2017 story in The Washington Post reported that "a group of former Iraqi detainees got to make the case before a judge ... that they were tortured and that the contractor CACI International is partly to blame." ,Depending on the focus, competitors to CACI include:Accenture, Capgemini, Infosys, SAIC, Booz Allen.