Decision concerning: a) the ex officio investigation of the Directorate-General for Competition to establish possible infringement of Articles 1 and 2 of former L. 703/77 and current L. 3959/2011, and of 101 and 102 TFEU in the steel long products sectorand b) the complaints i) ref. no 3636/30.05.2008 by IRON TENCO S.A. against the companies SIDENOR S.A, HALYVOURGIKI S.A, HELLENIC HALYVOURGIA, LIANOS S.A, TECHNOMET S.A. and ΕVΕΤΑΜS.A. and ii) the complaint under ref. no. 5981/31.07.2009 by the TECHNICAL CHAMBER OF GREECE (TCG-TEE) against the company ZOGAS S.A. and against any person responsible.