1. Baker Hughes Company
2. BP PLC
3. Core Laboratories N.V.
4. Halliburton Energy Services Inc.
5. ICORE GROUP INC.
6. International Business Machines Corporation
7. Intertek Group plc
8. Iron Mountain Incorporated
9. Math2Market GmbH
10. Repsol
S.A.
11. Schlumberger Limited
12. Shuyan Technology Co. Ltd.
13. Thermo Fisher Scientific Inc.
14. Weatherford International PLC
15. Wintershall Dea AG