2009 Revenue: $6 billion
TCS revenue grew 8 percent in 2009 from the year prior. TCS is a subsidiary of one of India’s largest and oldest conglomerates, the Tata Group, and is also the largest IT provider in India. Leading the charge is CEO Natarajan Chandrasekaran— who is also an M.D. Chandrasekaran was recently voted as the best CEO in India, featured in FinanceAsia magazine’s annual poll of investors and analysts.