AMERICAN PUBLIC MEDIA MENU Search this site GO > Reaching 19 million listeners each week We're everywhere you listen: American Public Media is the largest station- based public radio organization in the U.S. combining multi-regional station operations, national content creation and distribution in one organization: With a portfolio that includes BBC World Service and Marketplace and the leading classical music programming in the nation, APM is one of the largest producers of public radio programming in the world: One thousand stations carry American Public Media's 20- plus national programs Its multi-regional station operations include 49 public radio stations and 42 translators in the Upper Iedia Publ ic ican Amer