| Name | Type | Sector | Country | Joined On |
|---|---|---|---|---|
| Nippon Kayaku Co., Ltd. | Company | Chemicals | Japan | 15-Sep-2021 |
| Resonac Holdings Corporation | Company | Chemicals | Japan | 23-Jul-2021 |
| UBE Corporation | Company | Chemicals | Japan | 21-Apr-2021 |
| ADEKA Corporation | Company | Chemicals | Japan | 06-Apr-2021 |
| 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 |