| Seventeen Manufacturing (West Middlesex, PA)
|
| Severstal North America Inc (Dearborn, MI)
|
| 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)
|
| Sides Metal Recycling (Cape Girardeau, MO)
|
| Siegal Steel Co (Chicago, IL)
|
| Silgan Containers Corp (Shakopee, MN)
|
| Silver Star Supply Co (Amarillo, TX)
|
| Simcote Inc (Saint Paul, MN)
|
| Simpson Reinforcing Inc (Pittsburgh, PA)
|
| Sims Hugo Neu (Jersey City, NJ)
|
| Singleton Sheet Metal Works (Pueblo, CO)
|
| Sino Am Enterprises Inc (Ontario, CA)
|
| Sintered Advantage Products (Saint Marys, PA)
|
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