Studia
11- Asahi Shimbunsha
- Chubu-nippon Broadcasting Company (CBC)
- Cross Media
- Hokkaido Broadcasting Company (HBC)
- Konomys Taishou Rengou
- Mainichi Broadcasting System (MBS)
- RKB Mainichi Broadcasting Corporation
- S.D.P.
- TC Entertainment
- Toho Company
- Tokyo Broadcasting System (TBS)