ALLEGHENY TECHNOLOGIES INC. (ATI)
ALPHA PRECISION GROUP LLC
AMERICAN AXLE & MANUFACTURING INC.
AMT PTE. LTD.
BASF SE
CAPSTAN INC.
CARPENTER TECHNOLOGY CORP. (CRS HOLDINGS LLC)
CNPC POWDER
ERASTEEL
EXONE INC.
FINE-SINTER CO. LTD.
GKN SINTER METALS ENGINEERING GMBH
H?GAN?S AB
HITACHI METALS LTD.
JFE STEEL CORP.
KENNAMETAL INC.
KOBE STEEL LTD.
METAL POWDER PRODUCTS CO. (MPP)
MIBA AG
Nippon Piston Ring Co. Ltd.
NTN CORP.
OBE GMBH & CO. KG
OPTOMEC INC.
PORITE EUROPE S.A.S. (PORITE CORP.)
PRAXAIR S.T. TECHNOLOGY INC. (LINDE PLC)
RAINBOW MING INDUSTRIAL CO. LTD.
RIO TINTO METAL POWDERS
SANDVIK AB
SHOWA DENKO MATERIALS CO. LTD. (FORMERLY HITACHI CHEMICAL COMPANY LTD.)
STACKPOLE INTERNATIONAL
SUMITOMO ELECTRIC INDUSTRIES
LTD.
TEKNA
TENNECO INC.