Chukyo TV Broadcasting Company (CTV)
Dentsu
Fukuoka Broadcasting System (FBS)
Hiroshima Telecasting (HTV)
Miyagi Television Broadcasting
Nippon Television Network Corporation (NTV)
Robot Communications
Sapporo Television Broadcasting Company
Shirogumi
Shizuoka Daiichi Television
Shogakukan
Toho Company
Video Audio Project (VAP)
Yomiuri Shimbun, The
Yomiuri Telecasting Corporation (YTV)