| ASAdvanced Steel Technology | Rome | GA | Primary Metal Manufacturing331110 | 100-499 | ◐ LIKELY ACTIVE |
| APAti Powder Metals, LLC | Oakdale | PA | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| GSGerdau Special Steel North America | Jackson | MI | Primary Metal Manufacturing331110 | 100-499 | ◐ LIKELY ACTIVE |
| GSGkn Sinter Metals | Gallipolis | OH | Primary Metal Manufacturing331110 | 100-499 | ◐ LIKELY ACTIVE |
| HCHoeganaes CORP | Gallatin | TN | Chemical Manufacturing325120 | 100-499 | ◐ LIKELY ACTIVE |
| MIMetco Ind | Saint Marys | PA | Primary Metal Manufacturing331110 | 100-499 | ◐ LIKELY ACTIVE |
| MAMid American Steel and Wire CO - Mill | Madill | OK | Primary Metal Manufacturing331110 | 100-499 | ◐ LIKELY ACTIVE |
| NSNucor Steel | Norfolk | NE | Primary Metal Manufacturing331110 | 500+ | ◐ LIKELY ACTIVE |
| NSNucor Steel Connecticut, INC. | Wallingford | CT | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| NSNucor Steel Kingman LLC | Kingman | AZ | Primary Metal Manufacturing331110 | 100-499 | ◐ LIKELY ACTIVE |
| UEUnion Elec Steel Corp/greengarden Ave | Erie | PA | Primary Metal Manufacturing331110 | 1-19 | ◐ LIKELY ACTIVE |
| VOVulcraft of New York INC | Chemung | NY | Primary Metal Manufacturing331110 | 100-499 | ◐ LIKELY ACTIVE |
Webco Industries INC Kellyville Specialty Tube | Kellyville | OK | Primary Metal Manufacturing331110 | 100-499 | ◐ LIKELY ACTIVE |
| ZMZimmerman Metals INC | Denver | CO | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| ASAk Steel Rockport Works | Rockport | IN | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| ALAllegheny Ludlum Latrobe Plant | Latrobe | PA | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| ALAllegheny Ludlum LLC | Brackenridge | PA | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| ASAmerican Sintered Technologies INC | Emporium | PA | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| AVAmg Vanadium LLC | Zanesville | OH | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| ACAm/ns Calvert LLC | Calvert | AL | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| ALArcelormittal LLC - Burns Harbor Facility | Burns Harbor | IN | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| APArcelormittal Plate LLC - Coatesville Facility | Coatesville | PA | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| APArcelormittal Plate LLC Conshohocken Facility | Conshohocken | PA | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| ARArcelormittal Riverdale, INC. - Riverdale Facility | Riverdale | IL | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| AWArcelormittal Weirton | Weirton | WV | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| AIAvestapolarit INC | New Castle | IN | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| BMBear Metallurgical Mfg | Butler | PA | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
Carpenter Technology CORP | Reading | PA | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| CSCharleston Steel | Dunbar | WV | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| CCChemalloy CO Conshohocken Fac | Conshohocken | PA | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| CPCleveland-cliffs Plate LLC | Coatesville | PA | Primary Metal Manufacturing331110 | 500+ | ◐ LIKELY ACTIVE |
| CCCleveland Cliffs Steel Corp/ Butler Works | Butler | PA | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| CSCleveland-cliffs Steel CORP - Mansfield Facility | Mansfield | OH | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| CSCleveland-cliffs Steel Corporation | Coshocton | OH | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| CRCmc Rebar | Dallas | TX | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| CSCmc Steel Fabricators | Mesa | AZ | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| CSCmc Steel New Jersey | Sayreville | NJ | Primary Metal Manufacturing331110 | 100-499 | ◐ LIKELY ACTIVE |
| CSCmc Steel Oklahoma | Durant | OK | Primary Metal Manufacturing331110 | 100-499 | ◐ LIKELY ACTIVE |
| CSCmc Steel Us, LLC | Jacksonville | FL | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| CICrucible Industries LLC | Solvay | NY | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| CFCumberland Foundry Co., INC. | Cumberland | RI | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| EEEckart Effect Pigments | Louisville | KY | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| EGElectralloy Go Carlson - Oil City Facility | Oil City | PA | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| EMElkem Metals | Alloy | WV | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| EMEramet Marietta Metallurgical Plant | Marietta | OH | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| FUFerroglobe USA Bridgeport, Llc, Fka-tennessee Alloys Corporation | Bridgeport | AL | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| FMFerrous Metal Processing CO | Brooklyn | OH | Primary Metal Manufacturing331110 | 100-499 | ◐ LIKELY ACTIVE |
| GAGerdau Ameristeel US INC - Sms Mill Services LLC | Jackson | TN | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| GMGlobe Metallurgical | Selma | AL | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| GTGolden Triangle Mill Service | Columbus | MS | Nonmetallic Mineral Product Manufacturing327992 | 100-499 | ◐ LIKELY ACTIVE |