Cumulus Media, based in Atlanta, owns and operates FM and AM radio station clusters serving midsized markets throughout the United States. It is one of the largest radio broadcasting companies in the U.S. and owns and operates more than 350 radio stations in over 70 midsized media markets. In addition, it owns and operates a multimarket network of five radio stations in the English-speaking Caribbean. It has acquired and integrated a number of stations to its network in order to maintain its level of growth. Cumulus Media is also upgrading its technology by converting most of its stations from analog to digital using HD digital radio technology platform.