U.S. tech consulting company Booz Allen Hamilton has head offices in Tysons Corner, Virginia. Edwin G. Booz, James L. Allen and Carl L. Hamilton founded the firm in 1914, and fast-forward to 2012 and its revenue reached $5.859 billion. Booz Allen Hamilton’s areas of service include engineering, management consulting and technology, but it also operates as a defense contractor. The company works with civilian and government institutions, and its website describes its main goal as providing “trusted consulting and professional services in an increasingly complex and growing world.” As far as civilian agencies go, the firm serves the financial, policing, transport, Homeland Security, and government health and management sectors, among others. It also works with the U.S. Army, Air Force, Navy and Marine Corps, as well as defense organizations, space agencies and intelligence groups.