Major customers / suppliers (honorific titles omitted)
- ADEKA CORPORATION
- ADEKA Chemical Supply Co., Ltd.
- NTT Group
- Oki Chiffon Tech Co., Ltd.
- Ogihara Corporation
- Ogiwara Bussan Co., Ltd.
- Kinki Container Co., Ltd.
- Sagami PCI Co., Ltd.
- Sanyo Chemical Industries, Ltd.
- Shivacs Co., Ltd.
- Soda Nikka Co., Ltd.
- Dai-ichi Kogyo Seiyaku Co., Ltd.
- Taiyo Yuden Co., Ltd.
- Daishin Chemical Co., Ltd.
- Tamura Corporation
- DIC Corporation
- Chori GLEX Co., Ltd.
- Teraoka Seisakusho Co., Ltd.
- Tohoku Electric Manufacturing Co., Ltd.
- Toray Carbon Magic Co., Ltd.
- Toray Fine Chemicals Co., Ltd.
- Tomoe Engineering Co., Ltd.
- Toyotsu Chemiplas Co., Ltd.
- Toyota Motor East Japan Co., Ltd.
- Nissan Motor Co., Ltd
- Nissan Creative Services Co., Ltd.
- Nitto Spinning Material Co., Ltd.
- CMK Corporation
- Nippon Seiki Co., Ltd.
- Japan Talc Co., Ltd.
- Nippon Paint Co., Ltd.
- Panasonic Corporation
- Huntsman Japan Co., Ltd.
- Showa Denko Materials Co., Ltd.
- Hino Motors Co., Ltd.
- Fujikura Kasei Co., Ltd.
- Fujikura Components Co., Ltd.
- Furukawa Electric Co., Ltd.
- Honda R&D Co., Ltd.
- Honda motor industry stock company
- Mazda Corporation Inc
- Mitsubishi Chemical Corporation
- Mitsubishi Materials Corporation
- MinebeaMitsumi Co., Ltd.
- Meiden Chemical Co., Ltd.
- Mets Electron Co., Ltd.
- Yokogawa Electric Corporation
- Yokokawa Manufacturing Co., Ltd.
- RAMPF Group Japan Co., Ltd.
- Shenzhen Jinzhou Precision Technology Co., Ltd.
About 500 other companies
