ARV ACCIAI RIVESTITI VALDARNO S.P.A. Steel Production Processing Site ITALY DUFERCO DANISH STEEL A/S Steel Production Processing Site DENMARK DUFERCO STEEL PROCESSING (PTY) LTD. Steel Production Processing Site REPUBLIC OF SOUTH AFRICA DUFERCO TREBOS N.V. Steel Production Processing Site BELGIUM DUFERDOFIN NUCOR S.R.L. Steel Production Processing Site ITALY DUFERDOFIN NUCOR S.R.L. - STEEL PRODUCTION Steel Production Processing Site ITALY MAKSTIL A.D. Steel Production Processing Site REPUBLIC OF MACEDONIA TPP – TRAVI E PROFILATI DI PALLANZENO S.R.L. Steel Production Processing Site ITALY TUBAC S. A. Steel Production Processing Site GUATEMALA, C.A. TUBOS Y PERFILES S.A. de C.V. (TYPSA) Steel Production Processing Site HONDURAS C.A. 1