Entercom Communications Corp. is a radio broadcasting company. The Company operates over 125 radio stations in 26 markets, including San Francisco, Atlanta, Boston, Miami, Seattle, San Diego, Denver, Portland, Sacramento, Kansas City, Indianapolis, Milwaukee, Austin, Norfolk, Buffalo, New Orleans, Memphis, Providence, Greensboro, Greenville/Spartanburg, Rochester, Madison, Wichita, Wilkes-Barre/Scranton, Springfield (MA) and Gainesville/Ocala. Its stations are classified by their format, such as news, talk, classic rock, adult contemporary, alternative and country, among others. A station's format enables it to target specific segments of listeners sharing certain demographics. Advertisers and stations use data published by audience measuring services to estimate how many people within particular geographical markets and demographics listen to specific stations.