6. Cognizant Tech Solutions
Name a handful of financial-services, insurance, or health-care companies, and most will probably have outsourced the management of their information technology resources to companies in India, and often it's Cognizant they call. Customers include Wells Fargo, Citigroup, Aetna, and Nokia. Cognizant's sales hit $1.2 billion for the 12 months ended Sept. 30, for 57% growth. And the company isn't slowing down: It will spend $200 million to acquire more office space in India in 2007.
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