| EMElkem Metals | Alloy | WV | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| EMEramet Marietta Metallurgical Plant | Marietta | OH | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| FMFerroglobe Metallurgical | Waterford | OH | Primary Metal Manufacturing331110 | 100-499 | ◐ LIKELY ACTIVE |
| FMFerrous Metal Processing CO | Brooklyn | OH | Primary Metal Manufacturing331110 | 100-499 | ◐ LIKELY ACTIVE |
| FMForged Metals INC | Fontana | CA | Primary Metal Manufacturing331110 | 100-499 | ◐ LIKELY ACTIVE |
| FSFrog Switch & Manufacturing CO | Carlisle | PA | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| GAGerdau Ameristeel US INC - Sms Mill Services LLC | Jackson | TN | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| GTGolden Triangle Mill Service | Columbus | MS | Nonmetallic Mineral Product Manufacturing327992 | 100-499 | ◐ LIKELY ACTIVE |
| GCGranite City Works of United States Steel CORP | Granite City | IL | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| HGHerman Grant Co., INC. | Chattanooga | TN | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| HTHighland Tank, LLC (Stoystown, PA) | Stoystown | PA | Primary Metal Manufacturing331110 | 100-499 | ◐ LIKELY ACTIVE |
| HAHp Acquisition Corp/e Hempfield | Lancaster | PA | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| ICIsg Columbus Coatings | Columbus | OH | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| JAJewel Acquisition LLC - Louisville | Louisville | OH | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| KSKeystone Steel & Wire CO | Peoria | IL | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| LSLatrobe Spec Steel Sandycreek Svc Ctr | Franklin | PA | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| LBLawrence Brothers INC | Bluefield | VA | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| LSLehigh Specialty Melting INC | Latrobe | PA | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| LFLiberty Forge | Liberty | TX | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| LIL&n Industries INC | Rushville | IL | Primary Metal Manufacturing331110 | 1-19 | ◐ LIKELY ACTIVE |
| MMMarksman Metals CO INC | Saint Michael | MN | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| MOMaruichi Oregon Steel Tube | Portland | OR | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| MMMm Metals USA LLC | Fairless Hills | PA | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| NINlmk Indiana | Portage | IN | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| NPNlmk Pennsylvania Lcc | Farrell | PA | Primary Metal Manufacturing331110 | 500+ | ◐ LIKELY ACTIVE |
| NSNorth Star Steel CO | Monroe | MI | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| NCNucor CORP - Darlington Plant | Darlington | SC | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| NSNucor Steel - a Div of Nucor CORP | Plymouth | UT | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| NSNucor Steel Auburn INC | Auburn | NY | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| NSNucor Steel Birmingham INC | Birmingham | AL | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| NSNucor Steel - Cofield Facility | Cofield | NC | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| NSNucor Steel Florida, INC. | Frostproof | FL | Primary Metal Manufacturing331110 | 100-499 | ◐ LIKELY ACTIVE |
| NSNucor Steel Jackson INC | Flowood | MS | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| NSNucor Steel Louisiana LLC | Convent | LA | Primary Metal Manufacturing331110 | 100-499 | ◐ LIKELY ACTIVE |
| NSNucor Steel Marion, INC. (0351010017) | Marion | OH | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| NSNucor Steel Seattle INC | Seattle | WA | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| NSNucor Steel West Virginia LLC | Apple Grove | WV | Primary Metal Manufacturing331110 | 100-499 | ◐ LIKELY ACTIVE |
| OOOffshore Operations Houston | Houston | TX | Primary Metal Manufacturing331110 | 100-499 | ◐ LIKELY ACTIVE |
| PMPrime Metals Acquisition LLC - Lucerne Mines | Lucernemines | PA | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| RMRocky Mountain Steel Mill | Pueblo | CO | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| STSalem Tube Mfg | Greenville | PA | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| SSSand Springs | Sand Springs | OK | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| SCShalmet CORP | Elyria | OH | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| SSSmi Steel LLC | Birmingham | AL | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| SDSteel Dynamics Incorporated | Butler | IN | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| SDSteel Dynamics Southwest - Sinton Division | Sinton | TX | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| SDSteel Dynamics Structural | Columbia City | IN | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| SISwva INC | Huntington | WV | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| TCTechalloy CO INC | Union | IL | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| TITesla, INC. | Fremont | CA | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |