- Nouryon
- Arkema Inc.
- ArrMaz
- BASF SE
- Cargill Inc.
- DuPont
- Engineered Additives LLC
- Eurovia Services GmbH
- Evonik Industries Corporation
- ExxonMobil Chemical
- Genan Holding AS
- Honeywell International Inc.
- Kao Corporation
- Kraton Performance Polymers Inc.
- McAsphalt Industries Limited
- PQ Corporation
- Romonta GmbH
- Sasol Ltd
- Dow