Citadel Broadcasting is one of the largest pure-play radio companies in the United States. The corporation owns and operates more than 150 FM and over 50 AM radio stations in nearly 50 markets located in approximately 25 states throughout the country. Its radio station portfolio covers diverse programming formats, geographic regions, audience demographics and advertising clients. Citadel Broadcasting also owns and operates ABC Radio Networks, which creates and distributes programming to more than 4,000 affiliates. The programming includes various popular radio programs, such as Paul Harvey News and commentary, The Sean Hannity Show and The Tom Joyner Morning Show. ABC Radio Network is one of the largest radio program syndicators in the United States. Established in 1984, Citadel Broadcasting is headquartered in Las Vegas and maintains a location in Grand Rapids, Mich.