Superior Aluminum Alloys Recognized by General Motors as a 2012 Supplier of the Year Winner

FORT WAYNE, Ind., April 2, 2013 /PRNewswire/ -- Steel Dynamics, Inc. (the company)  (NASDAQ/GS: STLD) announced today that General Motors recognized one of the company's subsidiaries, Superior Aluminum Alloys LLC, as one of its best global automotive suppliers on Wednesday,...