| Name | Type | Sector | Country | Joined On |
|---|---|---|---|---|
| Fujimoto Chemical Co., Ltd. | Company | Specialty Chemicals | Japan | 10-Mar-2020 |
| Nitto Denko Corporation | Company | Specialty Chemicals | Japan | 24-Feb-2020 |
| Iwase Cosfa Co., Ltd. | Small or Medium-sized Enterprise | Specialty Chemicals | Japan | 21-Nov-2019 |
| Taiyo Kagaku Co., Ltd. | Company | Specialty Chemicals | Japan | 12-Sep-2019 |
| Aica Kogyo Company, Limited | Company | Specialty Chemicals | Japan | 19-Sep-2018 |
| Futamura Chemical Co., Ltd. | Company | Specialty Chemicals | Japan | 19-Jul-2018 |
| Dainichiseika Color & Chemicals Mfg. Co., Ltd. | Company | Specialty Chemicals | Japan | 10-Apr-2018 |
| Takasago International Corporation | Company | Specialty Chemicals | Japan | 30-Jun-2017 |
| Encore Ann Co., Ltd. | Small or Medium-sized Enterprise | Specialty Chemicals | Japan | 24-Sep-2015 |
| Lintec Corporation | Company | Specialty Chemicals | Japan | 04-Apr-2011 |
| DIC Corporation | Company | Specialty Chemicals | Japan | 17-Dec-2010 |
| Sekisui Chemical Co., Ltd. | Company | Specialty Chemicals | Japan | 06-Apr-2009 |