Sanyo Transportation Co., Ltd.
Choya Umeshu Co., Ltd.
Panefuri Industrial Co., Ltd.
Unitechno Co., Ltd.
Nitta Corporation
Sankyo Diamond Industry Co., Ltd.
Tanaka Seni Co., Ltd.
Makishinko Co., Ltd.
Japan Fine Products Co., Ltd.
B-Grad Co., Ltd.
Sangen Kasei Co., Ltd.
Tohken Thermotech Co., Ltd.
Kanekita Co., Ltd.
MONA Corporation Co., Ltd.
​ Yamamoto Industry Co., Ltd.
32 iba pang kumpanya