- Nouryon
- Arkema
- Archer Daniels Midland Company
- Ashland Inc.
- BASF SE
- Buckman Laboratories
- Cargill Incorporated
- Clariant
- DuPont
- ERCO Worldwide
- FMC Corporation
- GE Corporation
- Georgia-Pacific Chemicals LLC (Koch Industries)
- Imerys
- Kemira
- PeroxyChem
- Solvay Chemicals Inc.
- Tronox Incorporated