| ANYANG | FIMI | SAARSTAHL |
| ABUZAABAL | FLENDERSIEGEN | SALZGITTERAG |
| ARCELOR-MITTAL | HOESCHROTHEERDE | SANDVIKDÜSSELDORF |
| ANDRITZ | HYUNDAI | SCHLOEMANNSIEMAG |
| BENTELERAG | HYDAC | SIDERNAVAL |
| BAOGANG | ILSENBURGERGROBBLECH | SIEMAGTransplan |
| BOCHUMERVEREIN | ITALSIDER | SIEMENSVAI |
| BÖHLER | ITALIMPIANTI | SKET |
| BRITISHSTEELCORP. | IPSCO | SMSSIEMAG |
| CARMEL-FORGE | JINANIRON&STEEL | SMSEUMUCO |
| CONCAST | KOBESTEELCORP | SMSMEER |
| CORINTHPIPEWORKS | MAANSHAN | SOLLAC |
| C.S.C. | NOVOLIPETSK | SSAB-LULEA |
| DALMINE | OEMK | STAHLWERKEBREMEN |
| DANIELI | PARKER-HANIFIN | THYSSEN |
| EMITEC | PEINE-SALZGITTER | US-STEELFAIRFIELD |
| ERENCO | POSCO | VALLOUREC |
| FERROSTAAL | RAUTARUKKI | VOEST-ALPINE |
