Iron Forging Companies
| Rensselaer Iron & Steel Inc (Rensselaer, NY)
Primarily Serving: Albany, NY - Schenectady, NY - Chicopee, MA - Springfield, MA |
| Republic Engineered Products (Gary, IN)
Primarily Serving: Hammond, IN - Oak Lawn, IL - Tinley Park, IL - Chicago, IL |
| Rexco Aluminum (Ontario, CA)
Primarily Serving: Upland, CA - Chino, CA - Rancho Cucamonga, CA - Pomona, CA |
| Richey Enterprises Inc (Houston, TX)
Primarily Serving: Pasadena, TX - Missouri City, TX - Sugar Land, TX - League City, TX |
| Richmond Machine Co (Montpelier, OH)
Primarily Serving: Fort Wayne, IN - Toledo, OH - Battle Creek, MI - Ann Arbor, MI |
| Richmond Steel & Welding Inc (Rockingham, NC)
Primarily Serving: Fayetteville, NC - Concord, NC - Charlotte, NC - High Point, NC |
| Ridgway Powdered Metals Inc (Ridgway, PA)
Primarily Serving: Erie, PA - Pittsburgh, PA - Youngstown, OH - Buffalo, NY |
| Ringmasters Manufacturing Llc (Wayne, MI)
Primarily Serving: Westland, MI - Canton, MI - Taylor, MI - Dearborn Heights, MI |
| River Valley Machine Inc (Allegan, MI)
Primarily Serving: Kalamazoo, MI - Wyoming, MI - Grand Rapids, MI - Battle Creek, MI |
| Riverdale Steel Processing Inc (Riverdale, IL)
Primarily Serving: Hammond, IN - Oak Lawn, IL - Tinley Park, IL - Orland Park, IL |
| Roanoke Bar Div (Roanoke, VA)
Primarily Serving: Lynchburg, VA - Winston Salem, NC - Greensboro, NC - Burlington, NC |
| Robert Frieber Artist In Iron (Middlesex, NJ)
Primarily Serving: New Brunswick, NJ - Edison, NJ - Union, NJ - Elizabeth, NJ |
| Robert James Sales Inc (Chicago Ridge, IL)
Primarily Serving: Oak Lawn, IL - Orland Park, IL - Cicero, IL - Tinley Park, IL |
| Robert K Kurtz Co (Feasterville Tre, PA) |
| Robinson Steel Co (East Chicago, IN)
Primarily Serving: Hammond, IN - Gary, IN - Oak Lawn, IL - Chicago, IL |
| Robinson Steel Co Inc (Granite City, IL)
Primarily Serving: Saint Louis, MO - Florissant, MO - Saint Charles, MO - Saint Peters, MO |
| Rock Valley Die Sinking (Rockford, IL)
Primarily Serving: Janesville, WI - Elgin, IL - Hoffman Estates, IL - Schaumburg, IL |
| Rockford Drop Forge & Machine (Rockford, IL)
Primarily Serving: Janesville, WI - Elgin, IL - Hoffman Estates, IL - Schaumburg, IL |
| Rockford Forging Die & Tool Co (Rockford, IL)
Primarily Serving: Janesville, WI - Elgin, IL - Hoffman Estates, IL - Schaumburg, IL |
| Rogalla Systems Inc (Barrington, IL)
Primarily Serving: Palatine, IL - Hoffman Estates, IL - Schaumburg, IL - Arlington Heights, IL |
| Roll Coater (Indianapolis, IN)
Primarily Serving: Carmel, IN - Fishers, IN - Anderson, IN - Bloomington, IN |
| Roll Tech Industries Inc (Pennington, NJ)
Primarily Serving: Trenton, NJ - Levittown, PA - New Brunswick, NJ - Edison, NJ |
| Rolled Alloys (Cincinnati, OH)
Primarily Serving: Hamilton, OH - Middletown, OH - Dayton, OH - Springfield, OH |
| Rolled Metal Products (Alsip, IL)
Primarily Serving: Oak Lawn, IL - Orland Park, IL - Tinley Park, IL - Cicero, IL |
| Roll-Flex Systems Corp (Calhoun, KY)
Primarily Serving: Owensboro, KY - Evansville, IN - Bowling Green, KY - Clarksville, TN |
