- AMG Advanced Metallurgical Group NV
- ATI
- Baoji Titanium Industry Co. Ltd
- CRS Holdings Inc.
- CORSNET CORPORATION
- eramet
- Haynes International Inc.
- Hermith GmbH
- NIPPON STEEL CORPORATION
- Outokumpu
- Precision Castparts Corp.
- TOHO TITANIUM CO. LTD
- VSMPO-AVISMA Corporation