Headquartered in Armonk, New York, International Business Machines Corporation (IBM) was founded in the United States in 1911. It is the world's largest information technology and business solutions company. At present, it has more than 300000 employees worldwide and operates in more than 160 countries and regions. In 2006, IBM's global revenue reached US $91.4 billion. When the company was founded, its main business was commercial typewriters and then word processors and at last computers and computer related services.