Net Sales: $2.136 billion
Two-year growth rate: 141.08 percent
2008 CRN Fast Growth 100 rank: 30
Top exec: Francisco D'Souza, president and CEO
Cognizant is a major provider of outsourced IT services. It is headquartered in Teaneck, N.J., but a majority of its employees are located in Chennai, India. Cognizant's clients include Fortune 500 customers in financial services, healthcare, information, media and entertainment, retail and manufacturing. The company currently serves more than 500 customers across nine industry verticals.