| 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 |
