X0101 EFFECT 33 LIVE 2015-04-08 14:00:00

S-4

0001022671 STEEL DYNAMICS INC 333-202950 0001418680 JACKSON IRON & METAL CO., INC. 333-202950-13 0001418520 MARSHALL STEEL INC 333-202950-12 0001418526 NEW MILLENNIUM BUILDING SYSTEMS LLC 333-202950-11 0001418511 OMNISOURCE CORP 333-202950-10 0001461772 OMNISOURCE SOUTHEAST, LLC 333-202950-09 0001418685 OMNISOURCE TRANSPORT, LLC 333-202950-08 0000084278 ROANOKE ELECTRIC STEEL CORP 333-202950-07 0001289485 Steel Dynamics Sales North America, Inc. 333-202950-06 0001636748 STEEL DYNAMICS COLUMBUS, LLC 333-202950-05 0000820960 STEEL OF WEST VIRGINIA INC 333-202950-04 0001418670 SUPERIOR ALUMINUM ALLOYS, LLC 333-202950-03 0001418521 SWVA INC 333-202950-02 0001418517 TECHS INDUSTRIES INC 333-202950-01