Iron Forging Companies
| Kane Steel Co (Pottsville, PA)
Primarily Serving: Reading, PA - Allentown, PA - Lancaster, PA - Bethlehem, PA |
| Kenwal Steel Corp (Dearborn, MI)
Primarily Serving: Dearborn Heights, MI - Detroit, MI - Taylor, MI - Westland, MI |
| Keywell LLC (Chicago, IL)
Primarily Serving: Cicero, IL - Oak Park, IL - Oak Lawn, IL - Skokie, IL |
| Koppers Industries Inc (Pittsburgh, PA)
Primarily Serving: Youngstown, OH - Canton, OH - Akron, OH - Cuyahoga Falls, OH |
| Lee Industries Inc (Philipsburg, PA)
Primarily Serving: Pittsburgh, PA - Frederick, MD - Charles Town, WV - Lancaster, PA |
| Lippert Components Inc (Naples, FL)
Primarily Serving: Fort Myers, FL - Cape Coral, FL - North Fort Myers, FL - Port Charlotte, FL |
| Loveman Steel Corp (Bedford Heights, OH) |
| LTV Corp (Warren, OH)
Primarily Serving: Youngstown, OH - Cuyahoga Falls, OH - Akron, OH - Mentor, OH |
| LTV Steel Co (East Chicago, IN)
Primarily Serving: Hammond, IN - Gary, IN - Oak Lawn, IL - Chicago, IL |
| MacLean Forge (Havana, IL)
Primarily Serving: Peoria, IL - Springfield, IL - Bloomington, IL - Normal, IL |
| MACSTEEL (Jackson, MI)
Primarily Serving: Ann Arbor, MI - Lansing, MI - Battle Creek, MI - Canton, MI |
| Main Steel Polishing Co Inc (Bartlett, IL)
Primarily Serving: Elgin, IL - Hoffman Estates, IL - Schaumburg, IL - Wheaton, IL |
| Marmon/Keystone (Temperance, MI)
Primarily Serving: Toledo, OH - Taylor, MI - Ann Arbor, MI - Canton, MI |
| McKees Rocks Forgings Inc (Mc Kees Rocks, PA)
Primarily Serving: Pittsburgh, PA - Youngstown, OH - Canton, OH - Akron, OH |
| Melling Tool Co (Jackson, MI)
Primarily Serving: Ann Arbor, MI - Lansing, MI - Battle Creek, MI - Canton, MI |
| Merit Brass Co (Richmond Hts, OH) |
| Metaldyne Sintered Components (Saint Marys, PA)
Primarily Serving: Erie, PA - Buffalo, NY - Pittsburgh, PA - East Amherst, NY |
| Metals USA (Germantown, WI)
Primarily Serving: Milwaukee, WI - Waukesha, WI - Racine, WI - Kenosha, WI |
| Mid-West Forge Corp (Cleveland, OH)
Primarily Serving: Lakewood, OH - Mentor, OH - Cuyahoga Falls, OH - Elyria, OH |
| Mill Steel Co (Grand Rapids, MI)
Primarily Serving: Wyoming, MI - Kalamazoo, MI - Battle Creek, MI - Lansing, MI |
| MISA - Global Metal Solutions (West Chester, OH)
Contract Manufacturer, Service Company Primarily Serving: Hamilton, OH - Middletown, OH - Cincinnati, OH - Dayton, OH |
| Mi-Tech Steel Inc (Greensburg, IN)
Primarily Serving: Indianapolis, IN - Hamilton, OH - Fishers, IN - Cincinnati, OH |
| MSI Corp (Vandergrift, PA)
Primarily Serving: Pittsburgh, PA - Youngstown, OH - Canton, OH - Erie, PA |
| Namasco Corp (Suwanee, GA)
Primarily Serving: Dacula, GA - Roswell, GA - Atlanta, GA - Marietta, GA |
| National Processing Co/Plt 2 (East Chicago, IN)
Primarily Serving: Hammond, IN - Gary, IN - Oak Lawn, IL - Chicago, IL |
