- Kokkaen
- Address:10 Zensho-Cho, Izumi, Osaka, Japan
- Land New Products Research Co., Ltd.
- Address:Shin-Osaka-SONE Bldg 11F 7-1-29 Nishinakajima, Yodogawaku, Osaka, OSAKA, Japan
- Fourks Corporation
- Address:3-1-31, 9th Floor, Edobori, Sanko Edobori Building,, Edobori,Nishi-ku,, Osaka, Japan, Japan
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