Pig Iron Manufacturers
| Mc Strut Seismic Systems (Auburn, WA) |
| McFadden Industries Inc (New Hudson, MI) |
| Mega Metals (Phoenix, AZ) |
| Mega Steel & Tube Inc (Gardena, CA) |
| Merit Steel Processing & Fab (Fort Smith, AR) |
| Merit Usa (Pittsburg, CA) |
| Met Cut Inc (Aurora, IL) |
| Metal Associates (Fairfield, NJ) |
| Metal Building Components Inc (Omaha, NE) |
| Metal Conversions Ltd (Mansfield, OH) |
| Metal Culverts Inc (Columbia, MO) |
| Metal Exchange Inc (Medina, OH) |
| Metal Fabricating Co (Coatesville, PA) |
| Metal Management Mississippi (Greenwood, MS) |
| Metal Management Nimco Shredng (Newark, NJ) |
| Metal Processing Corp (Maple Heights, OH)
Manufacturer |
| Metal Recycling Inc (Monroe, NC) |
| Metal Sales Mfg Corp (Independence, MO) |
| Metal Shredders Inc (Miamisburg, OH) |
| Metal Specialties Co (Memphis, TN) |
| Metal Supermarkets (Burnsville, MN) |
| Metal Warehouse (Boulder, CO) |
| Metalex Corp (Libertyville, IL) |
| Metallurg Holdings Inc (Wayne, PA) |
| Metalmedia (Phoenix, AZ) |
