- Aica Kogyo Co., Ltd.
- Achilles Corporation
- Aqua Chemical Co., Ltd.
- AGC Inc.
- Idemitsu Kosan Co., Ltd.
- ITOCHU Chemical Frontier Corporation
- Ohashi Chemical Industry Co., Ltd.
- Okitsumo Incorporated
- Origin Co., Ltd.
- Cashew Co., Ltd.
- Kanto Chemical Co., Inc.
- Kansai Paint Co., Ltd.
- Kyodo Yushi Co., Ltd.
- Kuboko Paint Co., Ltd.
- Resonac Corporation
- Shin-Etsu Chemical Co., Ltd.
- Sumico Lubricant Co., Ltd.
- 3M Japan Limited
- ThreeBond Co., Ltd.
- Cemedine Co., Ltd.
- Senju Metal Industry Co., Ltd.
- Taishin Chemical Co., Ltd.
- Dainichiseika Color & Chemicals Mfg. Co., Ltd.
- Dainippon Toryo Co., Ltd.
- Teraoka Seisakusho Co., Ltd.
- DOW Toray Co., Ltd.
- DuPont Toray Specialty Materials Co., Ltd.
- Nichiban Co., Ltd.
- Nippeco Co., Ltd.
- Nihon Almit Co., Ltd.
- Nihon Genma Co., Ltd.
- Nippon Kogaku Oil Co., Ltd.
- Nippon Shokubai Co., Ltd.
- Nippon Dry-Chemical Co., Ltd.
- Mitsubishi Gas Chemical NEXT Co., Ltd.
- Harvest Co., Ltd.
- Henkel Japan Ltd.
- Maruzen Petrochemical Co., Ltd.
- Mitsubishi Gas Chemical Company, Inc.
- Union Paint Co., Ltd.
- Yamaichi Chemical Industry Co., Ltd.
- ADEKA Corporation
- DIC Corporation
- JXTG Holdings, Inc.
Others (Titles omitted, in no particular order)
