1. Advanced Technology & Materials Co. Ltd.
2. Alcoa Corporation
3. AMETEK Inc.
4. ATI Inc.
5. Aubert & Duval
6. BASF SE
7. Carpenter Technology Corporation
8. GGP Metal powder AG
9. GKN Powder Metallurgy Engineering GMBH
10. Hitachi Chemicals Co. Ltd.
11. Hoganas AB
12. JFE Holdings Inc.
13. LIBERTY Steel Group
14. Metal Powder Company Limited
15. MolyWorks Materials Corporation
16. Polema
17. Praxair Surface Technologies Inc.
18. Rio Tinto Metal Powders
19. Royal Metal Powders Inc.
20. RusAL
21. Sandvik AB
22. Showa Denko Materials Powdered Metals (USA) Inc.
23. Tekna Holding AS
24. Vale S.A.
25. WEC Group Ltd.