Yamashiro Hot Spring Tourist Association
http://www.yamashiro-spa.or.jp/
Association of Exquisite 12 Ryokans of Japan
http://yadobunka.jp/
Nihon-no-Yado-wo-Mamoru-Kai (Society for Preserving Japanese Ryokans)
http://www.nihonnoyado.jp/
Kaga Tabi Machi Net
http://www.tabimati.net/
Renea
http://www.renea.jp/