| Okayama Prefecture |
| Board of Education, Okayama Prefecture |
| Ibara City |
| Board of Education, Ibara City |
| Okayama Prefecture Cultural Federation |
| Okayama Prefecture Local Culture Foundation |
| Okayama Prefecture International Association |
| RSK Sanyo Broadcasting Co., Ltd. |
| TV-Setouchi Broadcasting Co., Ltd. |
| Nishinippon Broadcasting Co., Ltd. |
| Ibara Cable Vision |
| Yakage Cable Television |
| Kasaoka Broadcast CO., LTD. |
| FM Yumewave |
| Okayama CityFM |
| Okayama FM Broadcasting Co., Ltd. |
| Sanyo Shimbun |
| Asahi Shimbun Okayama DG |
| Yomiuri Shimbun Okayama branch |
| Chugoku Shimbun Bingo Office |
