Syntel is in the know about information technology. The Indian IT service provider offers outsourced applications development, knowledge process outsourcing (KPO), and IT consulting and staffing for global corporate client list. Its largest segment, applications outsourcing, focuses on the development, management, and maintainance of business software. Syntel offers KPO services for middle- and back-office functions such as transaction processing and loan servicing to financial services, health care, and insurance companies. The company's top clients are American Express and State Street, which together account for 40% of sales. Co-founding spouses Bharat Desai and Neerja Sethi together own nearly one-third of Syntel.