EXHIBIT 21 JONES INTERNATIONAL NETWORKS, LTD. LIST OF SUBSIDIARIES All of the companies listed below are Colorado corporations, unless otherwise indicated. BP Programming, Inc. Great American Country, Inc. JPN, Inc. Jones Audio Services, Inc. Jones/Capstar Radio Programming LLC Jones Direct, Ltd. Jones Earth Segment, Inc. Jones Galactic Radio, Inc. Jones Galactic Radio Partners, Inc. Jones Infomercial Networks, Inc. Jones Infomercial Network Ventures, Inc. Jones Infomercials International, Ltd. Jones MAI Radio, Inc. Jones/Owens Radio Programming LLC Jones Radio Holdings, Inc. Jones Radio Network, Inc. Jones Radio Network Ventures, Inc. Jones Space Holdings, Inc. MediaAmerica, Inc., a New York corporation Product Information Network Venture, a Colorado joint venture