1. ABB Limited
2. Ariel Corporation
3. Baker Hughes Company
4. Caterpillar Inc.
5. Ebara Corporation
6. Flowserve Corporation
7. FMC Technologies Inc.
8. General Electric Company
9. Honeywell International Inc.
10. Kinder Morgan Inc.
11. Linde Plc
12. NOV Inc.
13. Rockwell Automation Incorporated
14. Schlumberger Limited
15. Siemens AG
16. Sulzer Ltd
17. Transocean Ltd.
18. Trinity Industries Inc.
19. Vallourec S.A.