| JCJefferson City | Jefferson City | MO | Chemical Manufacturing325611 | 500+ | ◐ LIKELY ACTIVE |
| KAKaiser Aluminum - Trentwood | Spokane Valley | WA | Primary Metal Manufacturing331315 | 500+ | ◐ LIKELY ACTIVE |
| KPKentucky Plant | Hawesville | KY | Primary Metal Manufacturing331318 | 500+ | ◐ LIKELY ACTIVE |
| KCKeystone Consolidated Industries, Inc., d/b/a Liberty Steel & Wire-Peoria | Peoria | IL | Primary Metal Manufacturing331222 | 500+ | ◐ LIKELY ACTIVE |
| KCKokomo Casting Plant | Kokomo | IN | Primary Metal Manufacturing331523 | 500+ | ◐ LIKELY ACTIVE |
| LTLPC Titanium | Portland | OR | Primary Metal Manufacturing331523 | 500+ | ◐ LIKELY ACTIVE |
| LLLSM - Latrobe | Latrobe | PA | Primary Metal Manufacturing331110 | 500+ | ◐ LIKELY ACTIVE |
| MFMapleton Foundry | Mapleton | IL | Primary Metal Manufacturing331511 | 500+ | ◐ LIKELY ACTIVE |
| MJMedtronic JAXs | Jacksonville | FL | Primary Metal Manufacturing331110 | 500+ | ◐ LIKELY ACTIVE |
| MPMidwest Plant | Portage | IN | Primary Metal Manufacturing331110 | 500+ | ◐ LIKELY ACTIVE |
| MAMobis America Inc dba Mobis Alabama LLC | Montgomery | AL | Primary Metal Manufacturing331110 | 500+ | ◐ LIKELY ACTIVE |
| MCMueller Copper Tube Company | Fulton | MS | Primary Metal Manufacturing331420 | 500+ | ◐ LIKELY ACTIVE |
| NNaperville | Naperville | IL | Primary Metal Manufacturing331315 | 500+ | ◐ LIKELY ACTIVE |
| NONovelis Oswego Works | Oswego | NY | Primary Metal Manufacturing331315 | 500+ | ◐ LIKELY ACTIVE |
| OSOutokumpu Stainless USA LLC | Calvert | AL | Primary Metal Manufacturing331110 | 500+ | ◐ LIKELY ACTIVE |
| PSPCC Structurals SSBO | Clackamas | OR | Primary Metal Manufacturing331512 | 500+ | ◐ LIKELY ACTIVE |
| PCPrysmian Cables and Systems | Scottsville | TX | Primary Metal Manufacturing331420 | 500+ | ◐ LIKELY ACTIVE |
| SMSSAB Mobile | Axis | AL | Primary Metal Manufacturing331110 | 500+ | ◐ LIKELY ACTIVE |
| SDSteel Dynamics, Inc. - Engineered Bar Products | Pittsboro | IN | Primary Metal Manufacturing331110 | 500+ | ◐ LIKELY ACTIVE |
| SDSteel Dynamics, Inc. - Flat Roll Group - Butler | Butler | IN | Primary Metal Manufacturing331110 | 500+ | ◐ LIKELY ACTIVE |
| SDSteel Dynamics, Inc. - Flat Roll Group - Columbus | Columbus | MS | Primary Metal Manufacturing331110 | 500+ | ◐ LIKELY ACTIVE |
| SOSteel of West Virginia, Inc. | Huntington | WV | Primary Metal Manufacturing331110 | 500+ | ◐ LIKELY ACTIVE |
| UPUtility Products Plant | Carrollton | GA | Primary Metal Manufacturing331318 | 500+ | ◐ LIKELY ACTIVE |
Waupaca Foundry, Inc. Plant 5 | Tell City | IN | Primary Metal Manufacturing331511 | 500+ | ◐ LIKELY ACTIVE |