STEEL SERVICE CENTERS
Steel Processing
National Material Processing, LLC
Interstate Steel Processing
National Galvanizing, L.P.
National Blanking
Steel Operations
National Material Company
National Material Mexico
Interstate Steel Company
Stainless & Alloys
Combined Metals of Chicago, LLC
Combined Metals of Michigan, LLC
Elgiloy Specialty Metals Division
ALUMINUM OPERATIONS
Taber Extrusions, LLC
Tower Extrusions, LTD
RAW MATERIAL TRADING OPERATIONS
National Material Trading, LLC
Maryland Pig Services, L.P.
RELATED OPERATIONS
Metal Resources International, LLC
Corefficient S.R.L.
Global Tooling Resources
SKD Tooling Company Ltd.
