0001104659-06-069596 10-Q 11 20060930 20061030 20061030 STEEL DYNAMICS INC 0001022671 3312 351929476 IN 1231 10-Q 34 000-21719 061172234 6714 POINTE INVERNESS WAY SUITE 200 FORT WAYNE IN 46804 2604593553 6714 POINTE INVERNESS WAY SUITE 200 FORT WAYNE IN 46804 10-Q 1 a06-22089_110q.htm QUARTERLY REPORT PURSUANT TO SECTIONS 13 OR 15(D) EX-31.1 2 a06-22089_1ex31d1.htm EX-31 EX-31.2 3 a06-22089_1ex31d2.htm EX-31 EX-32.1 4 a06-22089_1ex32d1.htm EX-32 EX-32.2 5 a06-22089_1ex32d2.htm EX-32 GRAPHIC 7 g220891cgi001.gif GRAPHIC GRAPHIC 8 g220891cgi002.gif GRAPHIC GRAPHIC 9 g220891cgi003.gif GRAPHIC GRAPHIC 10 g220891cgi004.gif GRAPHIC GRAPHIC 11 g220891cgi005.gif GRAPHIC GRAPHIC 12 g220891cgi006.gif GRAPHIC