HAYNES INTERNATIONAL (US)
Allegheny Technologies Inc (US)
Special Metals Corporation (US),?Aperam (Luxembourg)
AMG Advanced Metallurgical Group (The Netherlands)
Doncasters Group Ltd (UK)
Supreme Engineering Ltd (India)
thyssenkrupp Aerospace Germany GmbH (Germany)
Carpenter Technology Corporation (US)
and VDM Metals (Germany),?among others.