Steel Forging Companies
| Nucor Steel Seattle Inc (Seattle, WA)
Primarily Serving: Bellevue, WA - Renton, WA - Redmond, WA - Issaquah, WA |
| Nucor Steel Tuscaloosa Inc (Tuscaloosa, AL)
Primarily Serving: Birmingham, AL - Montgomery, AL - Decatur, AL - Tanner, AL |
| Nucor Steel-Berkeley (Huger, SC)
Primarily Serving: Mount Pleasant, SC - North Charleston, SC - Charleston, SC - Columbia, SC |
| Nucor-Yamato Steel (Paragould, AR)
Primarily Serving: Jonesboro, AR - Memphis, TN - Jackson, TN - Conway, AR |
| Oaklee Recycling Inc (Cincinnati, OH)
Primarily Serving: Hamilton, OH - Middletown, OH - Dayton, OH - Springfield, OH |
| Oasis Supply & Trade Llc (Oklahoma City, OK)
Primarily Serving: Edmond, OK - Norman, OK - Lawton, OK - Cleveland, OK |
| O'Brien Steel Service Co (Peoria, IL)
Primarily Serving: Normal, IL - Bloomington, IL - Springfield, IL - Decatur, IL |
| Oceanic Ornamental Iron Work (North Bergen, NJ)
Primarily Serving: Union City, NJ - New York, NY - Jersey City, NJ - Passaic, NJ |
| Oden Enterprises (Wahoo, NE)
Primarily Serving: Lincoln, NE - Omaha, NE - Bellevue, NE - Council Bluffs, IA |
| Odin Forge (Pomona, CA)
Primarily Serving: Diamond Bar, CA - Upland, CA - Chino, CA - Chino Hills, CA |
| Oest Metalworks (Phoenix, AZ)
Primarily Serving: Glendale, AZ - Tempe, AZ - Peoria, AZ - Scottsdale, AZ |
| Ofab (Ocala, FL)
Primarily Serving: Gainesville, FL - Spring Hill, FL - Deltona, FL - Sanford, FL |
| Ohio Knife & Grinding Co (Akron, OH)
Primarily Serving: Cuyahoga Falls, OH - Canton, OH - Cleveland, OH - Lakewood, OH |
| Ohio Star Forge Co (Warren, OH)
Primarily Serving: Youngstown, OH - Cuyahoga Falls, OH - Akron, OH - Mentor, OH |
| Ohio Steel Trading Inc (Chagrin Falls, OH)
Primarily Serving: Cleveland, OH - Mentor, OH - Cuyahoga Falls, OH - Lakewood, OH |
| Oil City Tube Div (Oil City, PA)
Primarily Serving: Erie, PA - Youngstown, OH - Pittsburgh, PA - Mentor, OH |
| Oilfield Pipe & Supply Inc (Glen Allen, VA)
Primarily Serving: Richmond, VA - Newport News, VA - Burke, VA - Hampton, VA |
| Oklahoma Forge Inc (Tulsa, OK)
Primarily Serving: Broken Arrow, OK - Cleveland, OK - Canadian, OK - Edmond, OK |
| Olin De Forge Co (Rutland, VT)
Primarily Serving: Schenectady, NY - Albany, NY - Manchester, NH - Nashua, NH |
| Olympic Steel Co (Bedford, OH)
Primarily Serving: Cleveland, OH - Lakewood, OH - Cuyahoga Falls, OH - Akron, OH |
| Olympic Steel Co (Milford, CT)
Primarily Serving: Stratford, CT - West Haven, CT - Bridgeport, CT - New Haven, CT |
| On Spot of North America (North Vernon, IN)
Primarily Serving: Bloomington, IN - Louisville, KY - Indianapolis, IN - Cincinnati, OH |
| Oregon Metal Slitters (Portland, OR)
Primarily Serving: Beaverton, OR - Clackamas, OR - Vancouver, WA - Gresham, OR |
| Oregon Steel Division (Portland, OR)
Primarily Serving: Beaverton, OR - Clackamas, OR - Vancouver, WA - Gresham, OR |
| Orion Ornamental Iron Inc (North Hollywood, CA)
Primarily Serving: Burbank, CA - Glendale, CA - Los Angeles, CA - Santa Monica, CA |
