| Name | Type | Sector | Country | Joined On |
|---|---|---|---|---|
| Nitto Denko Corporation | Company | Chemicals | Japan | 24-Feb-2020 |
| Toyobo CO., LTD | Company | Chemicals | Japan | 22-Jan-2020 |
| Iwase Cosfa Co., Ltd. | Small or Medium-sized Enterprise | Chemicals | Japan | 21-Nov-2019 |
| Tokuyama Corporation | Company | Chemicals | Japan | 18-Sep-2019 |
| Kobayashi Pharmaceutical Co., Ltd. | Company | Chemicals | Japan | 14-Aug-2019 |
| Zeon Corporation | Company | Chemicals | Japan | 27-Jun-2019 |
| Tosoh Corporation | Company | Chemicals | Japan | 22-Apr-2019 |
| Aica Kogyo Company, Limited | Company | Chemicals | Japan | 19-Sep-2018 |
| Futamura Chemical Co., Ltd. | Company | Chemicals | Japan | 19-Jul-2018 |
| Nissan Chemical Corporation | Company | Chemicals | Japan | 19-Apr-2018 |
| Dainichiseika Color & Chemicals Mfg. Co., Ltd. | Company | Chemicals | Japan | 10-Apr-2018 |
| KOSE Corporation | Company | Chemicals | Japan | 23-Jul-2017 |