- Nippon Bonsai Association
- www.bonsai-kyokai.or.jp
- Nippon Suiseki Association
- www.suiseki-assn.gr.jp
- Kindai Shuppan Co., Ltd.
- www.bonsai.co.jp
- All Japan Shohin-Bonsai Association
- www.shohin-bonsai.org
- Yakata
- www.kyoto-yakata.net
- Miwa Yanagi
- www.yanagimiwa.net
