1. Ashland Inc.
2. BASF SE
3. Calumet Specialty Products Partners
L.P.
4. DuPont de Nemours Inc.
5. Eastman Chemical Company
6. Evonik Industries AG
7. Exxon Mobil Corporation
8. Gulf Chemicals & Industrial Oils Co.
9. HCS Holding GmbH
10. Honeywell International Inc.
11. LyondellBasell Industries Holdings B.V.
12. Mitsubishi Chemical Corporation
13. Recochem Corporation
14. Royal Dutch Shell PLC