| VLVictaulic Lawrenceville | Tioga | PA | Primary Metal Manufacturing331511 | 100-499 | ◐ LIKELY ACTIVE |
| WTWear Tek | Spokane | WA | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| WMWysong & Miles CO | Greensboro | NC | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
| 1M105913 - Manchester Metals | North Manchester | IN | Primary Metal Manufacturing331314 | — | ◐ LIKELY ACTIVE |
| 1G106698 - Gartland Foundry Company | Terre Haute | IN | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
| ACAdvanced Cast Products/meadville | Meadville | PA | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
| BFBama Foundry INC | Montgomery | AL | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
| BSBarnmaster Supply LLC Dba Marnmaster | Ontario | CA | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
| CDCampbell Douglas Forrester Foundry CO | Kearny | NJ | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
| CUCastings USA INC | New Philadelphia | OH | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
| CFCumberland Foundry | Woonsocket | RI | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
| EIEbaa Iron Jack Rabbit Division | Albany | TX | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
| FCFarrar CORP | Norwich | KS | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
| FIFranklin Iron Works, INC. | Thorsby | AL | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
| FJFrazer & Jones Division of the Eastern Company | Syracuse | NY | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
| GFGeorgia Financial Xiii Llc/avonmore Plt | Avonmore | PA | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
| GIGrede Ii - Biscoe, LLC | Biscoe | NC | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
| GPGriffin Pipe Products CO | Florence | NJ | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
| ICImperial Casting Company, INC. | Florence | AL | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
| LFLagrange Foundry-lagrange | La Grange | MO | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
| LMLeclaire Mfg CO | Bettendorf | IA | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
| LSLone Star Casting & Machine Partners | Kilgore | TX | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
| MCMagic Circle Manufacturing Company | Coffeyville | KS | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
| MGMando Georgia Casting Facility | Hogansville | GA | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
| MPMetalico Pgh INC | Pittsburgh | PA | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
| NFNashua Foundries, INC. | Nashua | NH | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
| OFOlympic Foundry INC | Seattle | WA | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
| PFPier Foundry | Saint Paul | MN | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
| PPPiqua Power Plant | Piqua | OH | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
| SCSouthern Cast INC. | Charlotte | NC | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
| USUnited States Pipe and Foundry Company Dba U.s. Pi | Union City | CA | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
| UCUS Casting | Canton | OH | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
| VCVictaulic Co/lawrenceville Plt | Tioga | PA | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
| WDWa317945207 - D&l Foundry INC | Moses Lake | WA | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
| WFWarsaw Foundry Company INC | Warsaw | IN | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
Waupaca Foundry, INC. - Plant 1 (ironwood) | Ironwood | MI | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
| 2B27/28 - Blytheville | Blytheville | AR | Primary Metal Manufacturing331511 | 100-499 | ◐ LIKELY ACTIVE |
| AAlburtis (2) | Alburtis | PA | Primary Metal Manufacturing331511 | 100-499 | ◐ LIKELY ACTIVE |
| AMAmarillo Manufacturing Plant | Amarillo | TX | Primary Metal Manufacturing331511 | 100-499 | ◐ LIKELY ACTIVE |
| BWB W Supply Company | Lyons | OH | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| CCCadillac Casting, Inc | Cadillac | MI | Primary Metal Manufacturing331511 | 100-499 | ◐ LIKELY ACTIVE |
| CMChattanooga - Motorwheel LLC | Chattanooga | TN | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| CVClow Valve Company - Metal Casting Facility | Oskaloosa | IA | Primary Metal Manufacturing331511 | 100-499 | ◐ LIKELY ACTIVE |
| CSCurtis St | Delaware | OH | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| DFDock Foundry LLC dba Three Rivers Gray Iron | Three Rivers | MI | Primary Metal Manufacturing331511 | 100-499 | ◐ LIKELY ACTIVE |
| DDura-Bar | Woodstock | IL | Primary Metal Manufacturing331511 | 100-499 | ◐ LIKELY ACTIVE |
| EEcoBlock | Gary | IN | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| FNFoundry Norwich | Norwich | KS | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| FIFrazier Ind. | Coolidge | TX | Primary Metal Manufacturing331511 | 100-499 | ◐ LIKELY ACTIVE |
| GDGM Defiance Operations | Defiance | OH | Primary Metal Manufacturing331511 | 500+ | ◐ LIKELY ACTIVE |