N. R. Narayana Murthy co-founded Infosys in 1981 and served as CEO until 2002 and Chairman until 2011. He graduated with an electrical engineering degree from University of Mysore in 1967. Wipro was incorporated in 1945 in Mumbai as Western India Products Limited, later abbreviated to Wipro. It is a major Indian multinational corporation in technology. Microsoft is a large American technology company founded in 1975 by Bill Gates and Paul Allen. It is the world's largest software company measured by revenue.