*The numbers of "★" shows the result of Japanese Winery Award 2018.
- Bee’s Knees Vineyards
- 2565,Kamibe,Tsukuba-shi,Ibaraki
- Domaine Mito
- IzumichoKaikan1F,2-3-17,Izumicho,Mito-shi,Ibaraki
- Tsukuba Winery
- 1187,Hojo,Tsukuba-shi,Ibaraki
- Ushiku Chateau
- 3-20-1,Chuo,Ushiku-shi,Ibaraki
- Hiyama Shuzo（Winery）
- 1359,Machiyacho,Hitachiota-shi,Ibaraki
- Kiuchi Shuzo（Winery）
- 1257,Konosu,Naka-shi,Ibaraki
