Microsoft develops, manufactures, licenses, supports and sells computer software, consumer electronics and personal computers and services. Its best known software products are the Microsoft Windows line of operating systems, Microsoft Office office suite, and Internet Explorer and Edge web browsers.Year Founded: 1975Revenue: $93.6 billion (2014)NASDAQ: MSFT

Wipro Ltd is a global information technology, consulting and outsourcing company with 170,000+ workforce serving clients in 175+ cities across 6 continents. The company posted revenues of $7.7 Billion for the financial year ended Mar 31, 2016.

Deloitte drives progress. Deloitte around the world helps clients become leaders wherever they choose to compete. Deloitte invests in outstanding people of diverse talents and backgrounds and empowers them to achieve more than they could elsewhere. Deloitte has more than 220,000 professionals at member firms delivering services in audit, tax, consulting, financial advisory, risk management, and related services in more than 150 countries and territories. Year Founded : 1845