| Service Steel (Saint Bernard, OH)
|
| Servisteel Corp (Lorain, OH)
|
| Set Enterprises (North Vernon, IN)
|
| Set Steel (Chicago Heights, IL)
|
| Seventeen Manufacturing (West Middlesex, PA)
|
| Seymour Wire Inc (Seymour, IN)
|
| Sfi-Gray Steel Inc (Houston, TX)
|
| Shalmet Corp (Orwigsburg, PA)
|
| Shamrock Manufacturing Inc (Barnesville, OH)
|
| Shannon Precision Fastener (Madison Heights, MI)
|
| Shaped Steel (Liberty, MO)
|
| Shaw Steel Inc (Cleveland, OH)
|
| Shear Service Co (Cleveland, OH)
|
| Sheet Metal Specialties Inc (Casper, WY)
|
| Sheffield Steel (Kansas City, MO)
|
| Shelby Steel Processing Co (River Rouge, MI)
|
| Shelby Steel Svc (Tulsa, OK)
|
| Sherburne Metal Products (Sherburne, NY)
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| Sides Metal Recycling (Cape Girardeau, MO)
|
| Siegal Steel Co (Chicago, IL)
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| Silgan Containers Corp (Shakopee, MN)
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| Silver Star Supply Co (Amarillo, TX)
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| Simcote Inc (Saint Paul, MN)
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| Simpson Reinforcing Inc (Pittsburgh, PA)
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| Sims Hugo Neu (Jersey City, NJ)
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