1. Nouryan Chemicals Holdings B.V.
2. BASF SE
3. The Dow Chemicals Company
4. Ecolab Inc.
5. Lanxess AG
6. Cortec Corporation
7. Ashland Global Holdings
Inc
8. The Lubrizol Corporation
9. Henkel AG & Co. KGaA
10. DuPont de Nemours
Inc