Cognizant
 Cognizant Technology Solutions Corporation is an Indianmultinational information technology consulting and business process outsourcing company. It is headquartered in Teaneck New Jersey United States North America. Cognizant is included in the NASDAQ-100 and the S&P 500 indices.Originally founded as an in-house technology unit of Dun & Bradstreet in 1994 with headquarters in Chennai India Cognizant started serving external clients in 1996.