| WMWinsert Marinette | Marinette | WI | Primary Metal Manufacturing331513 | 100-499 | ◐ LIKELY ACTIVE |
| WCWisconsin Centrifugal Division | Waukesha | WI | Primary Metal Manufacturing331513 | 100-499 | ◐ LIKELY ACTIVE |
| PAPacific Alloy Castings INC | South Gate | CA | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| SRSanta Rosa Stainless Steel | Santa Rosa | CA | 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 |
| ECEsco Corporation | Portland | OR | 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 |
| FLFoundry LLC | Pompano Beach | FL | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| FPFrank Pattern & Manufacturing | Modesto | CA | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| GSGem State Alloys | Caldwell | ID | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| GFGeneral Foundries, INC. | North Brunswick | NJ | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| GVGrass Valley Steel Cast | Grass Valley | CA | Plastics and Rubber Products Manufacturing326121 | — | ◇ UNVERIFIED |
| GRGreenbrier Rail Services Tacom | Tacoma | WA | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| HCHarsco Corporation | Pueblo | CO | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| HIHartman Industries Dba Commercial Casting Company | Fontana | CA | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| HQHigh Quality Alloys | Santa Fe Springs | CA | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| JFJohnstown Foundry Castings, INC. | Johnstown | PA | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| KFKraton Fabricating | Canonsburg | PA | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
