Cablevision

Established in 1973 as a cable television operator with 1, 500 Long Island clients, Cablevision today operates the nation's single biggest cable cluster, passing more than 5 million households and businesses through the New York metropolitan area with its state-of-the-art fiber-rich network. This world-class system connects domestic and business clients in the country's top market to Cablevision's Optimum branded communications services: iO TV digital television, Optimum Voice digital voice, Optimum Online high-speed Internet and Optimum WiFi, the nation's biggest wireless Internet network.