| AFAmerican Foundry Group / American Alloy Ii | Muskogee | OK | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| AFAmerican Foundry Group LLC - Bixby | Bixby | OK | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| ASAmerican Spincast INC (dba Amstock Supply) | Belton | TX | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| AWAmerican Welding & Tank LLC | West Jordan | UT | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| BBBahr Brothers Manufacturing, INC. | Marion | IN | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| DIDenison Industries Main Foundry | Denison | TX | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| EPEsco Plant 3 | Portland | OR | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| IMIdeal Machine | Tacoma | WA | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| KSKenosha Steel Castings | Kenosha | WI | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| KPKeokuk Prototype Foundry Company, INC. | Kahoka | MO | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| MIMetaltek International - Sandusky International Division | Sandusky | OH | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| RSRh Sheppard Foundry Bendix Hanover | Hanover | PA | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| SASputhern Alloy CORP | Sylacauga | AL | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| SFStar Foundry & Machine | Salt Lake City | UT | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
 Superior Forge & Steel Corporation (pittsburgh, Pa) | Pittsburgh | PA | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| UEUniversal Electric Foundry INC | Chicago | IL | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| VPViking Pump INC - South Main Facility | Cedar Falls | IA | Primary Metal Manufacturing331511 | — | ◇ 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 |
| BCBay Cast INC | Bay City | MI | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| BCBluetree Casework LLC | Saint 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 |
| CFColumbiana Foundry CO | Columbiana | OH | 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 |
 Griswold Industries Dba Soundcast | South Gate | CA | 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 |
| IIItt Industries Procast | Cullman | AL | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| JFJorgensen Forge CORP | Tukwila | WA | 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 |
