IBM (International Business Machines Corporation), International Business Machines Corporation, or universal business machines corporation. Headquartered in Armonk, New York, and founded in 1911 in the United States, it is the world's largest information technology and business solutions company, with more than 300000 employees worldwide and businesses in more than 160 countries and regions. The main business of the company at the time of its establishment was commercial typewriters, then word processors, then computers and related services.