Since its founding in 1998, Cumulus has continuously grown through approximately 150 M&A transactions and is presently the fa ... stest-growing radio company in the US. We are the second largest operator of radio stations, currently serving 110 metro markets with over 525 stations. Our Q3 2011 purchase of Citadel Broadcasting added over 200 stations and increased our reach in 7 of the Top 10 US metros. In addition to the station group, Cumulus acquired the Citadel/ABC Radio Network, which serves 4,000+ radio stations and 121 million listeners, in the transaction. Cumulus Media, Inc. is listed on NASDAQ under CMLS. read more