Tata Consultancy Services (TCS) was established in 1968.  Currently TCS is one of five world largest system intagrator companies and part of  Indian TNC Tata Group. Revenue of TSC is 2,2% of GDP of India and 6 billons USA dollars in 2008 fiskal year. Company staff more than 142 thoursand employeers in 42 countries.

More informations about company you can find by http://www.tcs.com.