Asatsu-DK
Asmik Ace Entertainment
Broadcasting System of Niigata
C&I Entertainment
CBC Television
Chugoku Broadcasting (RCC)
East Japan Marketing & Communications Inc.
Hakuhodo DY Media Partners
Happinet
Hokkaido Broadcasting Company (HBC)
Mainichi Broadcasting System (MBS)
Nippon Shuppan Hanbai (Nippan) K.K.
RKB Mainichi Broadcasting Corporation
Shizuoka Broadcasting System (SBS)
Shogakukan
TBS Radio & Communications
Toho Company
Tohoku Broadcasting Co.
Tokyo Broadcasting System (TBS)
Tokyo FM Broadcasting Co.