| Ultra Fine Powder Technology (Woonsocket, RI)
|
| Umicore Cobalt Products (Maxton, NC)
|
| Uni-Facs (Columbus, OH)
|
| Union Electric Steel Corp (Burgettstown, PA)
|
| United Alloys & Metals Inc (Los Angeles, CA)
|
| United Iron Inc (Mount Vernon, NY)
|
| United Stainless Inc (Selmer, TN)
|
| United States Steel Corp (Pittsburgh, PA)
|
| Universal Metal & Ore Co (Mount Vernon, NY)
|
| Universal Metal Svc Corp (South Holland, IL)
|
| Universal Plastics (Akron, OH)
|
| Universal Stainless & Alloy (Titusville, PA)
|
| Universal Steel America (Houston, TX)
|
| Universal Steel Fab (Baldwin Park, CA)
|
| Upstate Shredding (Owego, NY)
|
| Uribe Steel (Houston, TX)
|
| Urps Metal Co (Davy, WV)
|
| Uss Posco (Huntington Beach, CA)
|
| Uss-Posco Industries (Pittsburg, CA)
|
| Usx Corp (Chicago, IL)
|
| V & M Star (Youngstown, OH)
|
| Valbruna Corp (Chino, CA)
|
| Valbruna Stainless (Pompton Lakes, NJ)
|
| Valbruna Stainless Steel (Fort Wayne, IN)
|
| Valley Recycling (Kalispell, MT)
|
