Forging Companies
| 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 |
| Rome Strip Steel Inc (Rome, NY)
Primarily Serving: Utica, NY - Syracuse, NY - Clay, NY - Schenectady, NY |
| Rope Master Skookum (Hubbard, OR)
Primarily Serving: Salem, OR - Clackamas, OR - Beaverton, OR - Portland, OR |
| Roseland Iron Works (Calhoun, MO)
Primarily Serving: Lees Summit, MO - Blue Springs, MO - Independence, MO - Overland Park, KS |
| Roura Iron Works (Holly Springs, MS)
Primarily Serving: Memphis, TN - Jackson, TN - Jonesboro, AR - Tanner, AL |
| Royal Steel Ball Products Inc (Sterling, IL)
Primarily Serving: Rockford, IL - Davenport, IA - Dubuque, IA - Janesville, WI |
| Royal Steel Inc (Niagara Falls, NY)
Primarily Serving: Buffalo, NY - East Amherst, NY - Rochester, NY - Erie, PA |
| Royersford Spring Co (Bryan, OH)
Primarily Serving: Fort Wayne, IN - Toledo, OH - Battle Creek, MI - Ann Arbor, MI |
