| 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 |
| CCCadillac Casting, Inc | Cadillac | MI | Primary Metal Manufacturing331511 | 100-499 | ◐ LIKELY ACTIVE |
| CVClow Valve Company - Metal Casting Facility | Oskaloosa | IA | Primary Metal Manufacturing331511 | 100-499 | ◐ LIKELY ACTIVE |
| DCDalton Corporation | Warsaw | IN | Primary Metal Manufacturing331511 | 100-499 | ▲ REPORTED CLOSED |
| 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 |
| FIFrazier Ind. | Coolidge | TX | Primary Metal Manufacturing331511 | 100-499 | ◐ LIKELY ACTIVE |
| GCGrede Casting Integrity | Meadville | PA | Primary Metal Manufacturing331511 | 100-499 | ◐ LIKELY ACTIVE |
| GWGrede Wisconsin Subsidiaries LLC Browntown | Browntown | WI | Primary Metal Manufacturing331511 | 100-499 | ◐ LIKELY ACTIVE |
| HSHodges SC Facility | Hodges | SC | Primary Metal Manufacturing331511 | 100-499 | ◐ LIKELY ACTIVE |
| JJackson | Jackson | OH | Primary Metal Manufacturing331511 | 100-499 | ◐ LIKELY ACTIVE |
| KCKautex - CWC | Muskegon | MI | Primary Metal Manufacturing331511 | 100-499 | ◐ LIKELY ACTIVE |
| MHM & H Valve Company | Anniston | AL | Primary Metal Manufacturing331511 | 100-499 | ◐ LIKELY ACTIVE |
| NFNeenah Foundry Company - Miami Operations | Medley | FL | Primary Metal Manufacturing331511 | 100-499 | ◐ LIKELY ACTIVE |
| PDPortsmouth Division | Portsmouth | OH | Primary Metal Manufacturing331511 | 100-499 | ◐ LIKELY ACTIVE |
| RCRavenna Casting Center, LLC | Ravenna | MI | Primary Metal Manufacturing331511 | 100-499 | ◐ LIKELY ACTIVE |
| RARMG Anniston LLC | Anniston | AL | Primary Metal Manufacturing331511 | 100-499 | ◐ LIKELY ACTIVE |
| SFSP Foundry | South Coffeyville | OK | Primary Metal Manufacturing331511 | 100-499 | ◐ LIKELY ACTIVE |
| SMSt Marys Foundry | St Marys | OH | Primary Metal Manufacturing331511 | 100-499 | ◐ LIKELY ACTIVE |
| SMSt Marys Foundry | Saint Marys | OH | Primary Metal Manufacturing331511 | 100-499 | ◐ LIKELY ACTIVE |
| TPTyler Pipe Company - Texas | Tyler | TX | Primary Metal Manufacturing331511 | 100-499 | ◐ LIKELY ACTIVE |
| VNVoestalpine Nortrak | Decatur | IL | Primary Metal Manufacturing331511 | 100-499 | ◐ LIKELY ACTIVE |
| WCWisconsin Cast Iron | Kohler | WI | Primary Metal Manufacturing331511 | 100-499 | ◐ LIKELY ACTIVE |