| AFAmerican Foundry Group / American Alloy Ii | Muskogee | OK | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| AFAmerican Foundry Group LLC - Bixby | Bixby | OK | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| KPKeokuk Prototype Foundry Company, INC. | Kahoka | MO | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| JFJorgensen Forge CORP | Tukwila | WA | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| MFMaddox Foundry & Machine Works, LLC | Archer | FL | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| TFTiffin Foundry & Machine | Tiffin | OH | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| AAAdvantage Automation Midwest INC | Decatur | IL | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| ACAlliance Casting CO. LLC (1576010014) | Alliance | OH | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| AIAncast INC. | Sodus | MI | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| ACArtco Chemical | Glenmont | NY | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| BSBarberton Steel Industries, INC. | Barberton | OH | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| BCBluetree Casework LLC | St Joseph | MO | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| BABradken - Amite - Foundry | Amite | LA | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| BCBranchfield Casting | Galva | IL | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| BEBrighton Electric Steel Casting CO | Beaver Falls | PA | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| BIBristol Indiana Corporation Dba Brinco | Bristol | IN | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| CECalifornia Electric Steel INC | Angels Camp | CA | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| CSColumbus Steel Castings | Columbus | OH | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| CFCpi Fibergalss INC | Camden | NJ | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| DCDw Clark Company Incorported | East Bridgewater | MA | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| FCFederal Chicago CORP | Chicago | IL | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| FDFederal Die Casting CORP | North Chicago | IL | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| FMFreedom Metals INC | Louisville | KY | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| HHHampton Hydraulics Llc-div of Seabee | Hampton | IA | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| HCHazleton Casting CO | Hazleton | PA | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| HCHazleton Casting CO Llc/hazleton | Hazleton | PA | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| HGHydro Gate Acquisition Corporation | Commerce City | CO | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| KIKennametal Inc/colerain Twp Bedford Cast | Bedford | PA | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| KSKilroy Structural Steel CO | Cleveland | OH | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| LALiquid Asset Disposal INC | Wheeling | WV | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| LILodi Iron Works | Galt | CA | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| MMMetso Minerals Industries INC | Birmingham | AL | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| MOMetso Outotec USA INC | Warrenton | MO | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| MSMichigan Steel, INC. | Muskegon | MI | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| MAMidwest Alloys Foundry | O Fallon | MO | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| MFMidwest Fabrication and Steel LLC | Pueblo | CO | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| MSMissouri Steel Castings Incorporated | Joplin | MO | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| MPModern Pattern & Foundry CO. INC. (mp) | Vernon | CA | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| MMMoment Metal LLC | Albany | NY | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| NMNational Metal Abrasive Company | Wadsworth | OH | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| NCNorthwest Castings | Seattle | WA | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| OSOmaha Steel Castings CO | Omaha | NE | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| PCPacific Car and Foundry CO | Renton | WA | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| PCPenncast Corp/marietta | Marietta | PA | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| PSPennsylvania Steel Fndy & Machine CO | Hamburg | PA | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| PDPentz Design Pattern and Foundry INC | Duvall | WA | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| PCPride Cast Metals | Cincinnati | OH | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| PVPro V Enterprises | Dearborn | MI | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| RSRacine Steel Castings Div | Racine | WI | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| RFRichmond Foundry | Richmond | TX | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
