Booz Allen Hamilton Inc. (,) (informally: Booz Allen) is an American management consulting firm headquartered in Tysons Corner, Fairfax County, Virginia in Greater Washington DC, with 80 other offices throughout the United States. Its core business is the provision of management, technology and security services, to civilian government agencies, as a security and defense contractor to defense and intelligence agencies, and to civil and commercial entities. Their scope of services includes strategic planning, human capital and learning, communications, operational improvement, information technology work, systems engineering, organizational change efforts, computer modeling and simulation, program management, assurance and resilience, and economic business analysis. Booz Allen Hamilton was founded in 1914. It is one of the oldest management consulting firms in the world. By the end of the 1950s, Time Magazine dubbed the firm “the world’s largest, most prestigious management consulting firm.” In 1970, Booz Allen went public with an initial offering of 500,000 shares at $24 per share. Trading continued through 1976. , Booz Allen Hamilton’s former parent company (which used the Booz Allen name itself) divided in two. The Booz Allen Hamilton moniker was retained by the half focusing on U.S. governmental contracts, with Booz & Company taking sole control of its commercial strategy and international portfolio. However, as Booz Allen’s three-year noncompete provision has expired, it is now building out its commercial consulting practice, focusing on technology integration and cybersecurity programs. Booz Allen Hamilton is majority owned by private equity firm The Carlyle Group, while Booz & Company is owned and operated as a partnership. Booz & Company was subsequently acquired by PricewaterhouseCoopers and is now known as Strategy&. On November 17, 2010, Booz Allen’s shares of common stock began trading at the New York Stock Exchange on January 2, 2014. , 99% of the company’s revenue comes from the U.S. Federal government. It has been ranked 1st by Vault in public sector consulting in 2014, and from 6th to 4th best technology consulting firm worldwide on a number of criteria, including prestige and quality, since 2012.