| RERoemer Electric Steel Foundry | Longview | WA | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| SSSivyer Steel CORP | Bettendorf | IA | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| SBState Brass Foundry | Salt Lake City | UT | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| SSSterling Steel Foundry | Sauget | IL | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| SSSupreme Steel Portland | Portland | OR | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| TSTexas Steel CO | Fort Worth | TX | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| TITms Intl Llc/eighty Four Fac | Eighty Four | PA | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| TCTusco Casting CORP. | Lodi | CA | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| UWUnitized West | Chehalis | WA | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| WSWestern Steel Casting CO | Seattle | WA | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| GFGerlinger Foundry and Machine Works INC | Woodland | CA | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| SRSanta Rosa Stainless Steel | Santa Rosa | CA | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| 1U105137 - US Steel Gary Complex | Gary | IN | Primary Metal Manufacturing331111 | — | ◇ UNVERIFIED |
| 3E317705237 - Esco Corporation | Portland | OR | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| 3S317708279 - Samuel Son & CO INC | Portland | OR | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| 9N92723 - Nrb Metals LLC | Saint Charles | MN | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| ACAcme Castings INC | Huntington Park | CA | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| AAditech | Leetsdale | PA | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| ACAdvanced Centrifugals LTD | Cambridge | WI | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| ACAnderson Casting Co., INC. | Chicago | IL | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| APArcelormittal Plate LLC | Coatesville | PA | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| ACArt Casting of Montana, INC. | Belgrade | MT | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| AAAti Allegheny Ludlum | Latrobe | PA | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| BFBergstrom Foundry INC | Aberdeen | WA | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| BFBerne Foundry LLC (a1453) | Pigeon | MI | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| BFBoise Foundry and Machine | Melba | ID | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| BMBralco Metals Reliance Steel CORP | La Mirada | CA | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| BCBrookman Cast | Salem | OR | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| BSBr Services | Canton | OH | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| CMCamco Machine INC | Fontana | CA | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| CSCasteel Services, INC. | Kingsbury | IN | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| CICastings Investment and Alloy Foundries | Bixby | OK | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| CRCimco Recycling - Dewey Pl Plant | Milwaukee | WI | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| CPClamp-swing Pricing CO INC | Oakland | CA | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| CSCometal Steel INC. | Miami | FL | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| CMCompeer Metals, INC. | Algonquin | IL | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| CMCorbitt Manufacturing Company | Paragould | AR | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| DSDamascus Steel Casting Company | New Brighton | PA | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| DSDamascus Steel Casting Company | New Brighton | PA | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| DIDuro-cast, INC. | Somonauk | IL | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| ECEac CORP | Miami Beach | FL | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| EEEgs Electrical Group | South Milwaukee | WI | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| EMElectric Melting Services Company, INC. | Pico Rivera | CA | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| ESEmpire Steel Casting/muhlenberg Plt | Reading | PA | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| ECEngineered Castings LLC | Lake Worth | FL | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| ECEverest Caster & Wheels, LLC | Liberty | MO | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| FAFine Art Sculpture Centre | Clarkston | MI | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| FCFisher Cast Steel (0149000002) | West Jefferson | OH | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| FDFlow Dynamics INC | Ontario | CA | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| FKFormer Kaiser Steel Mill Facility | Fontana | CA | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
