EX-21.1 3 a2223218zex-21_1.htm EX-21.1
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EXHIBIT 21.1

STEEL DYNAMICS, INC.
LIST OF OUR SUBSIDIARIES

Name
  State of
Incorporation or
Organization 		  Percent of Capital
Stock/Equity
Units Owned by
Steel Dynamics, Inc. 		  Names Under which
Business is Conducted

Jackson Iron & Metal Company, Inc. 

   Michigan     100 % OmniSource Corporation

Mesabi Nugget Delaware, LLC

   Delaware     82 %  

New Millennium Building Systems, LLC

   Indiana     100 %  

OmniSource Corporation

   Indiana     100 %  

OmniSource Southeast, LLC

   Delaware     100 % OmniSource Corporation

Roanoke Electric Steel Corporation

   Indiana     100 %  

Steel Dynamics Columbus, LLC

   Indiana     100 %  

Steel Dynamics Sales North America, Inc. 

   Indiana     100 %  

Steel of West Virginia, Inc. 

   Delaware     100 %  

STLD Holdings, Inc. 

   Indiana     100 %  

The Techs Industries, Inc. 

   Delaware     100 %  



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STEEL DYNAMICS, INC. LIST OF OUR SUBSIDIARIES