- Arkema Group
- BASF SE
- Chang Chun Group
- Dow
- Evonik Industries AG
- Grasim
- Guangdong ZhongCheng Chemicals Co. Ltd
- Gujarat Alkali and Chemicals Ltd
- Hodogaya Chemical Co. Ltd
- Kemira Oyj
- Kingboard Holdings Limited
- Merck KGaA
- Mitsubishi Gas Chemical Company Inc.
- National Peroxide Ltd
- Nouryon
- PeroxyChem
- Qingdao LaSheng Co. Ltd
- Solvay