1.Tata Consultancy Services Tata Consultancy Service is based in Mumbai and had a turnover of $8bn in 2011. They employ more than 200,000 worldwide with a significant number of those, believed to be around 15,000 based as outsourced jobs in the U.S. 2. Aegis Communications Technology firm Aegis is part of the Essar group based in Mumbai with an annual revenue of $15bn. Aegis employs 9,000 in the U.S. at offices throughout the country. 3. Wipro Based in Bangalore, IT specialists Wipro employ around 4,000 people in jobs that have been outsourced to the U.S. 4. Genpact The IT outsourcing company employs 1,500 people in the U.S. but that is expected to triple over the next two years as bosses find it cheaper than employing Indian staff at home. 5. Infosys The company is based in Bangalore with an annual revenue of $100m. They have 130,000 employees worldwide.