- Comfort Collection Co.,Ltd.
- Address:1-29-9-402 Shinkawa
- Kokunai Tsusho Co., Ltd.
- Address:Shiba-habitasion Bldg.2-3-12 Shiba
- Nicchu Interchange Service Co.,Ltd
- Address:11 / F South Shin Otsuka Building, 25-15, 2 chome, Minami Otsuka, Toshima-ku
- Strong Technology Company
- Address:No. 601, 2-18-90 Hakata-Ku,
- e-trees.Japan,Inc.
- Address:Daiwa-Unyu Bldg. 3F, 2-9-2 Owada-machi
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