| Skf Steel (Highland, IN)
|
| Skyline Steel Mid West Div (Tinley Park, IL)
|
| Smede-Son Steel/Building Sply (Shelby Township, MI)
|
| Smorgon Steel Llc (Kansas City, MO)
|
| Southern Indiana Steel Inc (Loogootee, IN)
|
| Specialty Metals (Litchfield, IL)
|
| Ssmp Trading (Joliet, IL)
|
| St Lawrence Steel Corp (Streetsboro, OH)
|
| St Louis Auto Shredding Inc (National Stock Y, IL)
|
| Steel Cities Steels Inc (Chesterton, IN)
|
| Steel Shearing Inc (Cleveland, OH)
|
| Steel Slitting Co Inc (Elwood, IN)
|
| Steel Solutions Inc (Naperville, IL)
|
| Steel Suppliers Inc (Elkhart, IN)
|
| Steel Technologies (Portage, IN)
|
| Steel Works Llc (Granite City, IL)
|
| Steelcon Corp (Orland Park, IL)
|
| Steelcraft Fabricator (Demotte, IN)
|
| Sticker Corp (Willoughby, OH)
|
| Stollberg Inc (Lorain, OH)
|
| Stolz Structural Inc (Elberfeld, IN)
|
| Strat-O-Span Buildings Inc (Breese, IL)
|
| Streeter Ready Mix (Streeter, ND)
|
| Strip Steel (Fraser, MI)
|
| Strong Steel Products (Detroit, MI)
|
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