Citigroup Inc. (NYSE: C,TYO: 8710), operating as Citi, is a major American financial services company base in New York City, formed from the merger of Citicorp and Travelers Group on April 7, 1998. According to Forbes Global 2000 in March 2007, it is the largest company in the world, however in 2008 it dropped out of the top 10 in Forbes. with total assets of US $2.2 trillion, as of December 2007. The company employs 358,000 staff around the world, and holds over 200 million customer accounts in more than 100 countries. It is the world's largest bank by revenues as of 2008. It is a primary dealer in US Treasury securities and its stock has been a component of the Dow Jones Industrial Average since March 17, 1997.