Taiyuan Heavy
Nippon Steel
Evraz
Lucchini RS
GHH-Bontrans
Jinxi Axle Company
Rail Wheel Factory
Bochumer Verein Verkehrstechnik (BVV)
Masteel
Kolowag
Amsted Rail
CAF
Standard Forged Products
MWL
Semco
CRRC Datong
Comsteel
Interpipe
Jiangsu Railteco
Swasap