| RP Toho Plastics Co., Ltd. |
IHI Corporation |
Aisin Corporation |
| Achilles Corporation |
Asahi Kasei Corporation |
Asahi Organic Materials Industry Co., Ltd. |
| Alps Alpine Co., Ltd. |
Aron Kasei Co., Ltd. |
Ichikoh Industries, Ltd. |
| Idemitsu Kosan Co., Ltd. |
SMC Corporation |
ENEOS NUC Co., Ltd. |
| FP Corporation |
Okura Industry Co., Ltd. |
Otsuka Pharmaceutical Co., Ltd. |
| Otsuka Techno Co., Ltd. |
Olympus Corporation |
Kao Corporation |
| Kaneka Corporation |
Gifu Plastic Industry Co., Ltd. |
Canon Inc |
| Kyocera Corporation |
Kubota Chemix Co., Ltd. |
Kuraray Co., Ltd. |
| KEIWA Incorporated |
Koito Manufacturing Co., Ltd. |
Kobe Steel, Ltd. |
| Kodama Resin Industry Co., Ltd. |
Konica Minolta, Inc. |
Sanko Co., Ltd. |
| CKD Co., Ltd. |
シード株式会社 |
JVC KENWOOD Corporation |
| Shin-Etsu Polymer Co., Ltd. |
Suzuki Motor Corporation |
Stanley Electric Co., Ltd. |
| Subaru Corporation |
Sumitomo Chemical Co., Ltd. |
Sumitomo Electric Industries, Ltd. |
| Sekisui Chemical Co., Ltd. |
Sekisui Jushi Co., Ltd. |
Sony Corporation |
| Taika Kogyo Co., Ltd. |
DaikyoNishikawa Co., Ltd. |
Dai Nippon Printing Co., Ltd. |
| Daihatsu Motor Co., Ltd. |
Taiyo Yuden Co., Ltd. |
Takiron C.I. Co., Ltd. |
| Takeuchi Industry Co., Ltd. |
Takeda Pharmaceutical Company Limited |
Chuo Kagaku Co., Ltd. |
| DIC Corporation |
Teijin Limited |
TDK Corporation |
| Terumo Corporation |
Denka Co., Ltd. |
Denso Corporation |
| Tenma Co., Ltd. |
Tokai Rika Co., Ltd. |
Toyo Cloth Co., Ltd. |
| 東洋鋼鈑株式会社 |
Toyo Seikan Co., Ltd. |
Toyobo Co., Ltd. |
| Toli Co., Ltd. |
Toray Industries, Inc. |
TOPPAN Inc. |
| Toyoda Gosei Co., Ltd. |
Toyota Motor Corporation |
TOYOTA INDUSTRIES CORPORATION. |
| Nanjo Equipment Industry Co., Ltd. |
Nikon Corporation |
Nissan Motor Co., Ltd |
| NIDEC CORPORATION |
Nipro Corporation |
J.S.T. Mfg. Co., Ltd. |
| Japan Aviation Electronics Industry, Ltd. |
NIPPON STEEL CORPORATION |
ZEON CORPORATION |
| House Foods Co., Ltd. |
Panasonic Corporation |
Bando Chemical Co., Ltd. |
| Hitachi, Ltd. |
広化東リフロア株式会社 |
Hiroshima Kasei Co., Ltd. |
| Fukusuke Industry Co., Ltd. |
FUJIFILM Corporation |
Bridgestone Corporation |
| Furukawa Electric Co., Ltd. |
Hokkai Can Co., Ltd. |
HOYA Corporation |
| Polyplastics Co., Ltd. |
Honda motor industry stock company |
Maezawa Chemical Industry Co., Ltd. |
| Maxell, Ltd. |
Mazda Corporation Inc |
Mitsui Chemicals, Inc. |
| Mitsubishi Chemical Corporation |
Mitsubishi Motors Corporation |
Mitsubishi Electric Corporation |
| Mitsuboshi Belting Co., Ltd. |
Moonstar Co., Ltd. |
Meiji Co., Ltd. |
| Morinaga & Co., Ltd. |
Yamaso Co., Ltd. |
Yamaha Corporation |
| Yamaha Motor Co., Ltd. |
Unitika Ltd. |
Yoshino Industry Co., Ltd. |
| LIXIL Corporation |
Ricoh Company, Ltd |
Resonac Corporation |
| Lotte Co., Ltd. |
