- ALLNEX NETHERLANDS B.V.
- AGC Inc.
- Akzo Nobel N.V.
- Altana
- Arkema Group
- Ashland
- BASF SE
- Cabot Corporation
- Cytec Industries Inc.
- DAIKIN INDUSTRIES
Ltd.
- Dow
- Eastman Chemical Company
- ELEMENTIS PLC
- Energenics Europe Ltd
- Evonik Industries AG
- Momentive Specialty Chemicals Inc.
- SABO S.p.A.
- Solvay
- The Lubrizol Corporation