Nexstar is the largest television station owner/operator in the United States, with 199 stations in 116 markets. Of its 199 full-power stations, 155 are affiliated with the four national broadcasters: CBS (49), Fox (42), NBC (35), and ABC (29).he 2019 merger with Tribune made Nexstar the top broadcast affiliate for both Fox and CBS as well as the number-two partner for NBC and number three for ABC. The firm has networks in 12 of the top 20 television markets and reaches over 68% of U.S. TV households. Nexstar also owns NewsNation (formerly WGN), a nationwide pay-television network, and a 31% stake in Food Network and Cooking Channel.