| KPKeokuk Prototype Foundry Company, INC. | Kahoka | — | ◇ UNVERIFIED |
| MFMartin Foundry CO | Kansas City | — | ◇ UNVERIFIED |
| SLSt Louis Cold Drawn LLC | Saint Louis | — | ◇ UNVERIFIED |
| AWAlan Wire CO | Sikeston | — | ◐ LIKELY ACTIVE |
| CBClay & Bailey Mfg Company | Kansas City | 20–99 | ◐ LIKELY ACTIVE |
| CPCoatings Plus, INC | Fenton | — | ◐ LIKELY ACTIVE |
| DSDidion & Sons Foundry CO | Saint Peters | — | ◐ LIKELY ACTIVE |
| FCForest City Facility LLC | Forest City | 20–99 | ◐ LIKELY ACTIVE |
| GIGrossman Iron & Steel CO | Saint Louis | — | ◐ LIKELY ACTIVE |
| HFHurtt Fabricating Corp | Marceline | 20–99 | ◐ LIKELY ACTIVE |
| LPLeggett & Platt Carthage Spring | Carthage | — | ◐ LIKELY ACTIVE |
| LLoxcreen | Hayti | — | ◐ LIKELY ACTIVE |
| M7Magnitude 7 Metals LLC | Marston | — | ◐ LIKELY ACTIVE |
| MRMartinrea Riverside LLC | Riverside | — | ◐ LIKELY ACTIVE |
| NSNucor Steel Sedalia, LLC 2023 | Sedalia | 100–499 | ◐ LIKELY ACTIVE |
| RCRoss Custom Properties | Kansas City | — | ◐ LIKELY ACTIVE |
| SLSpartan Light Metal Products | Hannibal | — | ◐ LIKELY ACTIVE |
| SSStahl Specialty Company | Kingsville | 100–499 | ◐ LIKELY ACTIVE |
| TDThe Doe Run Company | Boss | 100–499 | ◐ LIKELY ACTIVE |
| TPTrinity Products, LLC | O Fallon | — | ◐ LIKELY ACTIVE |
| USU S Granules Corporation | Henrietta | — | ◐ LIKELY ACTIVE |
| WTWieland Thermal Solutions | Cuba | 20–99 | ◐ LIKELY ACTIVE |
| AIAbec INC | Springfield | — | ◐ LIKELY ACTIVE |
| AWAlan Wire CO INC | Sikeston | — | ◐ LIKELY ACTIVE |
| CMCommercial Metals CO | Joplin | — | ◐ LIKELY ACTIVE |
| DRDoe Run CO Glover Smelter | Annapolis | — | ◐ LIKELY ACTIVE |
| LFLagrange Foundry-lagrange | La Grange | — | ◐ LIKELY ACTIVE |
| MCMetal Culverts, INC. - Maryville | Maryville | — | ◐ LIKELY ACTIVE |
| MSMidwest Scrap Management INC | Kansas City | — | ◐ LIKELY ACTIVE |
| MIMitek Industries INC | Saint Charles, Township of | — | ◐ LIKELY ACTIVE |
| MFMurray Fabricating LLC | Perryville | — | ◐ LIKELY ACTIVE |
| SRSa Recycling LLC | Missouri | — | ◐ LIKELY ACTIVE |
| AAAccess Auto Salvage | Independence | — | ◇ UNVERIFIED |
| AIAce Industries LLC | Gerald | — | ◇ UNVERIFIED |
| ACAlcoa Composition Foil Facility | Pevely | — | ◇ UNVERIFIED |
| ACAmerican Compressed Steel INC | Sedalia | — | ◇ UNVERIFIED |
Arch Enterprises INC | Mexico | — | ◇ UNVERIFIED |
| BCBluetree Casework LLC | Saint Joseph | — | ◇ UNVERIFIED |
| BABodine Aluminum, INC | Saint Louis County | — | ◇ UNVERIFIED |
| BABodine Aluminum Inc-walton Road | Saint Louis | — | ◇ UNVERIFIED |
| BDBohn & Dawson | Kirkwood | — | ◇ UNVERIFIED |
| CSCentral States Refining CO INC | Versailles | — | ◇ UNVERIFIED |
| CMColumbia Metal Products CO | Kansas City | — | ◇ UNVERIFIED |
| CDControl Devices | Fenton | — | ◇ UNVERIFIED |
| DDDiversified Diemakers Inc-monroe City Plant | Monroe City | — | ◇ UNVERIFIED |
| DRDoe Run Company Viburnum Centeral Services Facility the | Viburnum | — | ◇ UNVERIFIED |
| ECElectro Core | Washington | — | ◇ UNVERIFIED |
| FMFederal Mogul Corporation | Malden | — | ◇ UNVERIFIED |
| FFFederal-mogul Friction Products-federal-mogul Friction Products | Saint Louis | — | ◇ UNVERIFIED |
| GCGolden City Foundry Inc-golden City Foundry INC | Golden City | — | ◇ UNVERIFIED |