Mannesmannröhren-Werke AG, Corus UK Ltd, Dalmine SpA, JFE Engineering Corp., (anciennement NKK Corp.), Nippon Steel Corp., JFE Steel Corp., (anciennement Kawasaki Steel Corp.) et Sumitomo Metal Industries Ltd / Commission des Communautés européennes
Mannesmannröhren-Werke AG, Corus UK Ltd, Dalmine SpA, JFE Engineering Corp (formerly NKK Corp.), Nippon Steel Corp., JFE Steel Corp (formerly Kawasaki Steel Corp.) and Sumitomo Metal Industries v Commission of the European Communities