1. Hokkaido Agricultural Research Center
2. YAMAZAKI WINERY
3. Tokachi-Ikeda Research Institute for Viticulture and Enology
4. Hokkaido Wine Co. Ltd.
5. Zukosha Co. Ltd.
6. Hokkaido Agricultural Research Center, NARO
7. Institute for Agro-Environmental Sciences, NARO (NIAES)
8. Tokyo University of Agriculture