| Name | Type | Sector | Country | Joined On |
|---|---|---|---|---|
| Kumiai Chemical Industry Co., Ltd. | Company | Chemicals | Japan | 18-Sep-2023 |
| KUREHA CORPORATION | Company | Chemicals | Japan | 25-Jul-2023 |
| S.T.CORPORATION | Company | Chemicals | Japan | 17-Jul-2023 |
| Denka Company Limited | Company | Chemicals | Japan | 08-Jun-2023 |
| NIPPON FINE CHEMICAL CO.,LTD. | Company | Chemicals | Japan | 12-Mar-2023 |
| I-ne Co., Ltd. | Company | Chemicals | Japan | 29-Nov-2022 |
| MIYOSHI KASEI, INC. | Small or Medium-sized Enterprise | Chemicals | Japan | 29-Sep-2022 |
| FUSO CHEMICAL CO.,LTD. | Company | Chemicals | Japan | 26-Apr-2022 |
| Nihon Nohyaku co., ltd | Company | Chemicals | Japan | 28-Mar-2022 |
| NAGASE & CO., LTD. | Company | Chemicals | Japan | 09-Mar-2022 |
| SAKATA INX CORPORATION | Company | Chemicals | Japan | 06-Feb-2022 |
| Nippon Sanso Holdings Corporation | Company | Chemicals | Japan | 18-Jan-2022 |