WAkita Broadcasting System
WAomori Broadcasting Corporation
WAsahi Broadcasting Corporation
WBroadcasting System of San-in
WChubu-Nippon Broadcasting
WCross FM
WFM Aichi
WFM Cocolo
WFM Ham-star
WFM Hatsukaichi
WFM Osaka
WFM802
WGifu Broadcasting System
WHokkaido Broadcasting
WHokuriku Broadcasting Company
WIwate Broadcasting Company
WKitanihon Broadcasting
WKyoto Broadcasting System
WKyushu Asahi Broadcasting
WMainichi Broadcasting System
WMBS Radio (Japan)
WMiyazaki Broadcasting
WNankai Broadcasting
WNHK
WNippon Cultural Broadcasting
WNishinippon Broadcasting
WThe Open University of Japan
WRCC Broadcasting
WRKB Mainichi Broadcasting
WSanyo Broadcasting
WShikoku Broadcasting
WShin-etsu Broadcasting
WSapporo Television Broadcasting
WTBS Radio
WTohoku Broadcasting Company
WYamagata Broadcasting Company
WYamaguchi Broadcasting
WYamanashi Broadcasting System