Steel Pipe Manufacturers
| Electralloy (Oil City, PA) |
| Elg Metal Inc (Chicago, IL) |
| Elgiloy (Dallas, TX) |
| Elixir Industries Inc (Mishawaka, IN) |
| Elkay Manufacturing Co (Oak Brook, IL) |
| Ellwood Quality Steels Co (New Castle, PA) |
| Elsass Urban & Son Inc (Piqua, OH) |
| Embassy Powdered Metal Inc (Emporium, PA) |
| Emerald Steel Processing (Madison Heights, MI) |
| Emerald Steel Products Inc (Center Line, MI) |
| Emj Metals (Orlando, FL) |
| Emj Metals (Pell City, AL) |
| Emj Metals (Lynwood, CA) |
| Empire Auto Salvage (Sanford, FL) |
| Empire Iron City Works (Long Island City, NY) |
| Empire Seneca Llc (Waterloo, NY) |
| Encore Retail Systems Inc (Brooklyn, NY) |
| Energy Task Force Inc (Apopka, FL)
Manufacturer |
| Engineered Pressed Materials (Saint Marys, PA) |
| Enhanced Sintered Products (Saint Marys, PA) |
| Enterprise Stainless Inc (Phoenix, AZ) |
| Erie Coke Corp (Erie, PA) |
| Esco Integrated Mfg (Concord, CA) |
| Escoa (Tulsa, OK) |
| Escp Corp (Davenport, IA) |
