| Covell Creative Metalworking (Freedom, CA)
|
| Cox Metal Processing Co (Chicago, IL)
|
| Crack Eliminator (Milwaukee, WI)
|
| Cragin Metal Products Corp (Chicago, IL)
|
| Crawford Steel Co (Chicago, IL)
|
| Creftcon Industries (Rowland Heights, CA)
|
| Cronimet Corp (Decatur, AL)
|
| Cronimet Corp (Chicago, IL)
|
| Cross River Metals (San Antonio, TX)
|
| Cross Sheet Metal Inc (Lambertville, MI)
|
| Crucible Materials Corp (Syracuse, NY)
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| Crucible Materials Corp (Oakdale, PA)
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| Crushproof Tubing Inc (MC Comb, OH)
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| C-Saw (Buchanan, MI)
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| Csn (Marshall, MN)
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| Cummings Steel & Tubular Prods (Fair Oaks, CA)
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| Curtis Steel Corp (Houston, TX)
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| Custom Alloy Welding & Fab (Eyota, MN)
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| Custom Coil Cutting (Salt Lake City, UT)
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| Custom Design Metals (Bohemia, NY)
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| Custom Fabricating & Repair (Marshfield, WI)
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| Custom Iron Works (Lubbock, TX)
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|
