1. ADDINOL Lube Oil GmbH
2. BASF SE
3. Behr Hella Service GmbH
4. BP International Limited
5. Calumet Specialty Products Partners
L.P.
6. CAMCO Lubricants
7. CITGO Petroleum Corporation
8. Cosmo Oil Lubricants Co. Ltd.
9. CPI Fluid Engineering by Lubrizol Corporation
10. ENEOS Corporation
11. Eni Benelux B.V.
12. Exxon Mobil Corporation
13. Idemitsu Kosan Co.
14. Johnson Controls Inc.
15. Shell International B.V.