| WMWva Manufacturing Company, LLC | Alloy | WV | 100–499 | ◐ LIKELY ACTIVE |
| GOG. O. Carlson, INC. | Oil City | PA | — | ◐ LIKELY ACTIVE |
| SRSoutheast Rigging, INC | Jacksonville | FL | — | ◐ LIKELY ACTIVE |
| AIAbc-naco INC | Chicago Heights | IL | — | ◇ UNVERIFIED |
| ASAk Steel Rockport Works | Rockport | IN | — | ◇ UNVERIFIED |
| ALAllegheny Ludlum CORP | Vandergrift | PA | — | ◇ UNVERIFIED |
| ALAllegheny Ludlum Latrobe Plant | Latrobe | PA | — | ◇ UNVERIFIED |
| ALAllegheny Ludlum LLC | Brackenridge | PA | — | ◇ UNVERIFIED |
| ASAmerican Sintered Technologies INC | Emporium | PA | — | ◇ UNVERIFIED |
| AVAmg Vanadium LLC | Zanesville | OH | — | ◇ UNVERIFIED |
| ACAm/ns Calvert LLC | Calvert | AL | — | ◇ UNVERIFIED |
| ALArcelormittal LLC - Burns Harbor Facility | Burns Harbor | IN | — | ◇ UNVERIFIED |
| APArcelormittal Plate LLC - Coatesville Facility | Coatesville | PA | — | ◇ UNVERIFIED |
| APArcelormittal Plate LLC Conshohocken Facility | Conshohocken | PA | — | ◇ UNVERIFIED |
| ARArcelormittal Riverdale, INC. - Riverdale Facility | Riverdale | IL | — | ◇ UNVERIFIED |
| AWArcelormittal Weirton | Weirton | WV | — | ◇ UNVERIFIED |
| AAAti Allegheny Ludlum Flat Rolled Products Plant | New Bedford | MA | — | ◇ UNVERIFIED |
| AIAvestapolarit INC | New Castle | IN | — | ◇ UNVERIFIED |
| BMBear Metallurgical Mfg | Butler | PA | — | ◇ UNVERIFIED |
| BSBenteler Steel/tube Manufacturing CORP | Shreveport | LA | — | ◇ UNVERIFIED |
| BABraeburn Alloy Steel Rolling Mill Fac | Lower Burrell | PA | — | ◇ UNVERIFIED |
 Carpenter Technology CORP | Reading | PA | — | ◇ UNVERIFIED |
| Carpenter Technology CORP | Tanner | AL | — | ◇ UNVERIFIED |
| CMCharter Manufacturing Company, INC. (1318171623) | Cuyahoga Heights | OH | — | ◇ UNVERIFIED |
| CSCharter Steel INC | Rising Sun | OH | — | ◇ UNVERIFIED |
| CCChemalloy CO Conshohocken Fac | Conshohocken | PA | — | ◇ UNVERIFIED |
| CCCleveland Cliffs Steel Corp/ Butler Works | Butler | PA | — | ◇ UNVERIFIED |
| CSCleveland-cliffs Steel CORP - Mansfield Facility | Mansfield | OH | — | ◇ UNVERIFIED |
| CSCleveland-cliffs Steel Corporation | Coshocton | OH | — | ◇ UNVERIFIED |
| CSCmc Steel Fabricators | Mesa | AZ | — | ◇ UNVERIFIED |
| CSCmc Steel - New Jersey Facility | Sayreville | NJ | — | ◇ UNVERIFIED |
| CSCmc Steel Us, LLC | Jacksonville | FL | — | ◇ UNVERIFIED |
| CSCorey Steel CO | Cicero | IL | — | ◇ UNVERIFIED |
| CICrucible Industries LLC | Solvay | NY | — | ◇ UNVERIFIED |
| DODawkins On-site, LLC - Missouri Portable Nucor | Sedalia | MO | — | ◇ UNVERIFIED |
 Dubose Strapping Inc.-treatment Plant #1 | Crawfordsville | IN | — | ◇ UNVERIFIED |
| EEEckart Effect Pigments | Louisville | KY | — | ◇ UNVERIFIED |
| EGElectralloy Go Carlson - Oil City Facility | Oil City | PA | — | ◇ UNVERIFIED |
| EMElkem Metals | Alloy | WV | — | ◇ UNVERIFIED |
| EREllwood Remelt Steel Proposed Var/esr Facility | New Castle, City of | PA | — | ◇ UNVERIFIED |
| EMEramet Marietta Metallurgical Plant | Marietta | OH | — | ◇ UNVERIFIED |
| EPEsco Phoenix | Phoenix | AZ | — | ◇ UNVERIFIED |
| FUFerroglobe USA Bridgeport, Llc, Fka-tennessee Alloys Corporation | Bridgeport | AL | — | ◇ UNVERIFIED |
| FSFrog Switch & Manufacturing CO | Carlisle | PA | — | ◇ UNVERIFIED |
| GEGateway Energy & Coke CO LLC | Granite City | IL | — | ◇ UNVERIFIED |
| GSGautier Steel Holdings Inc/gautier Steel Johnstown | Johnstown | PA | — | ◇ UNVERIFIED |
| GAGerdau Ameristeel US INC - Sms Mill Services LLC | Jackson | TN | — | ◇ UNVERIFIED |
| GMGlobe Metallurgical | Selma | AL | — | ◇ UNVERIFIED |
| GCGranite City Works of United States Steel CORP | Granite City | IL | — | ◇ UNVERIFIED |
| HIHannibal Industries INC | Los Angeles | CA | — | ◇ UNVERIFIED |
| HMHarsco Minerals Briquetting LLC | East Chicago | IN | — | ◇ UNVERIFIED |
| HCHoeganeas CORP | Riverton | NJ | — | ◇ UNVERIFIED |
| HAHp Acquisition Corp/e Hempfield | Lancaster | PA | — | ◇ UNVERIFIED |
| ILIronunits LLC | Toledo | OH | — | ◇ UNVERIFIED |
| ICIsg Columbus Coatings | Columbus | OH | — | ◇ UNVERIFIED |
| JAJewel Acquisition LLC - Louisville | Louisville | OH | — | ◇ UNVERIFIED |
| JJJ J Ryan Corporation Southington Galvanize Division | Plantsville | CT | — | ◇ UNVERIFIED |
| JSJsw Steel USA Ohio (0641090010) | Mingo Junction | OH | — | ◇ UNVERIFIED |
| KSKeystone Steel & Wire CO | Peoria | IL | — | ◇ UNVERIFIED |
| LSLatrobe Spec Steel Sandycreek Svc Ctr | Franklin | PA | — | ◇ UNVERIFIED |
| LSLehigh Specialty Melting INC | Latrobe | PA | — | ◇ UNVERIFIED |
| MMMm Metals USA LLC | Fairless Hills | PA | — | ◇ UNVERIFIED |
| NSNatl Steel & Shipbuilding a General Dynamics CO | San Diego | CA | — | ◇ UNVERIFIED |
| NUNew United Motor Manufacturing | Fremont | CA | — | ◇ UNVERIFIED |
| NINlmk Indiana | Portage | IN | — | ◇ UNVERIFIED |
| NSNorth Star Steel CO | Monroe | MI | — | ◇ UNVERIFIED |
| NCNucor CORP - Darlington Plant | Darlington | SC | — | ◇ UNVERIFIED |
| NCNucor CORP - Nucor Steel | Blytheville | AR | — | ◇ UNVERIFIED |
| NSNucor Steel - a Div of Nucor CORP | Plymouth | UT | — | ◇ UNVERIFIED |
| NSNucor Steel Auburn INC | Auburn | NY | — | ◇ UNVERIFIED |
| NSNucor Steel Birmingham INC | Birmingham | AL | — | ◇ UNVERIFIED |
| NSNucor Steel - Cofield Facility | Cofield | NC | — | ◇ UNVERIFIED |
| NSNucor Steel Jackson INC | Flowood | MS | — | ◇ UNVERIFIED |
| NSNucor Steel Louisiana LLC | Convent | LA | — | ◇ UNVERIFIED |
| NSNucor Steel Marion, INC. (0351010017) | Marion | OH | — | ◇ UNVERIFIED |
| NSNucor Steel Seattle INC | Seattle | WA | — | ◇ UNVERIFIED |
| OSOutokumpu Stainless USA LLC | Mount Vernon | AL | — | ◇ UNVERIFIED |
| PMPrime Metals Acquisition LLC - Lucerne Mines | Lucernemines | PA | — | ◇ UNVERIFIED |
| RERepublic Engineered Products INC | Blasdell | NY | — | ◇ UNVERIFIED |
| RMRocky Mountain Steel Mill | Pueblo | CO | — | ◇ UNVERIFIED |
| STSalem Tube Mfg | Greenville | PA | — | ◇ UNVERIFIED |
| SSSand Springs | Sand Springs | OK | — | ◇ UNVERIFIED |
| SMSandvik Materials Technology | Houston | TX | — | ◇ UNVERIFIED |
| SSSmi Steel LLC | Birmingham | AL | — | ◇ UNVERIFIED |
| SMSpecial Metals | Princeton | KY | — | ◇ UNVERIFIED |
| SDSteel Dynamics Incorporated | Butler | IN | — | ◇ UNVERIFIED |
| SDSteel Dynamics Southwest - Sinton Division | Sinton | TX | — | ◇ UNVERIFIED |
| SDSteel Dynamics Structural | Columbia City | IN | — | ◇ UNVERIFIED |
| SWSteel Warehouse Company, LLC. | Calvert | AL | — | ◇ UNVERIFIED |
| SISwva INC | Huntington | WV | — | ◇ UNVERIFIED |
| TCTechalloy CO INC | Union | IL | — | ◇ UNVERIFIED |
| TCThyssenkrupp Crankshaft Company | Veedersburg | IN | — | ◇ UNVERIFIED |
| TCTube City Ims | Norfolk | NE | — | ◇ UNVERIFIED |
| TCTube City Ims/slag Processing | Braddock | PA | — | ◇ UNVERIFIED |
| USUnited States Steel Corporationfairfield Pipe Mil | Fairfield | AL | — | ◇ UNVERIFIED |
| UDUS Denro Steels | Baytown | TX | — | ◇ UNVERIFIED |
| UPUS Pipe & Foundry CO | Bessemer | AL | — | ◇ UNVERIFIED |
| UCUss Corp/edgar Thomson Works | Braddock | PA | — | ◇ UNVERIFIED |
| UMUss Mon Valley Works - Irvin Plant | West Mifflin | PA | — | ◇ UNVERIFIED |
| USUS Steel Fairless Hills Works | Fairless Hills | PA | — | ◇ UNVERIFIED |
