| Name | Type | Sector | Country | Joined On |
|---|---|---|---|---|
| Sanyo Chemical Industries, Ltd. | Company | Chemicals | Japan | 04-Mar-2021 |
| Kuraray Co., Ltd. | Company | Chemicals | Japan | 17-Dec-2020 |
| NIPPON SHOKUBAI CO., LTD. | Company | Chemicals | Japan | 19-Oct-2020 |
| T. HASEGAWA CO., LTD. | Company | Chemicals | Japan | 24-Aug-2020 |
| Milbon Co., Ltd. | Company | Chemicals | Japan | 01-May-2020 |
| Mitsubishi Gas Chemical Company, Inc. | Company | Chemicals | Japan | 30-Apr-2020 |
| Daicel Corporation | Company | Chemicals | Japan | 29-Apr-2020 |
| Fujimoto Chemical Co., Ltd. | Company | Chemicals | Japan | 10-Mar-2020 |
| 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 |