Asahi Shimbunsha
Chubu-nippon Broadcasting Company (CBC)
Chugoku Broadcasting (RCC)
Dentsu
Hokkaido Broadcasting Co.
Horipro
Mainichi Broadcasting System (MBS)
RKB Mainichi Broadcasting Corporation
Shizuoka Broadcasting System (SBS)
Shogakukan
Toho Company
Tohoku Broadcasting Co.
Tokyo Broadcasting System (TBS)
Twins Japan
Yahoo Japan