| Oden Enterprises (Wahoo, NE)
|
| Oest Metalworks (Phoenix, AZ)
|
| Ofab (Ocala, FL)
|
| Ohio Knife & Grinding Co (Akron, OH)
|
| Ohio Steel Trading Inc (Chagrin Falls, OH)
|
| Oil City Tube Div (Oil City, PA)
|
| Oilfield Pipe & Supply Inc (Glen Allen, VA)
|
| Olympic Steel Co (Bedford, OH)
|
| Olympic Steel Co (Milford, CT)
|
| Oregon Metal Slitters (Portland, OR)
|
| Oregon Steel Division (Portland, OR)
|
| Osm Tubular (Portland, OR)
|
| Overland Metals Inc (Saint Louis, MO)
|
| Owen Steel Co (New York, NY)
|
| Owensdale Scrap & Recycling (Connellsville, PA)
|
| P & H Iron & Supply Inc (Hammond, IN)
|
| Pacific Agents (Lake Oswego, OR)
|
| Pacific Coast Recycling Allway (San Diego, CA)
|
| Pacific Industrial Metal Corp (Los Angeles, CA)
|
| Pacific Steel (Billings, MT)
|
| Pacific Steel Inc (National City, CA)
|
| Pacific Toll Processing Inc (Carson, CA)
|
| Paco Steel (Blytheville, AR)
|
| Paco Steel & Engineering (San Ramon, CA)
|
| Paper Cal Steel (Houston, TX)
|
