| NANaylor Aluminum Foundry INC. | Kansas City | MO | Primary Metal Manufacturing331521 | — | ◇ UNVERIFIED |
| OFOil Field Pipe and Supply CO. | Springfield | MO | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| OSOne Stop Steel | Saint Louis | MO | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| OBOsc Builders | Pacific | MO | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| PPPittsburgh Pipe & Supply Corporation | Saint Louis | MO | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| PFPrecise Forms, INC. | Bates City | MO | Primary Metal Manufacturing331524 | — | ◇ UNVERIFIED |
| RFRefiners Fire | Kansas City | MO | Primary Metal Manufacturing331419 | — | ◇ UNVERIFIED |
| RIRollstock INC. | Kansas City | MO | Primary Metal Manufacturing331312 | — | ◇ UNVERIFIED |
| RIRti International Metals INC. | Sullivan | MO | Primary Metal Manufacturing331491 | — | ◇ UNVERIFIED |
| SOSabona of London, INC. | Sikeston | MO | Primary Metal Manufacturing331420 | — | ◇ UNVERIFIED |
| SISdc Incorporated | Sullivan | MO | Primary Metal Manufacturing331521 | — | ◇ UNVERIFIED |
| SMSeese Machine INC | Lees Summit | MO | Primary Metal Manufacturing331111 | — | ◇ UNVERIFIED |
| SWSilver Wheel | Independence | MO | Primary Metal Manufacturing331111 | — | ◇ UNVERIFIED |
| SCSouthwestern Creations LLC | South West City | MO | Primary Metal Manufacturing331222 | — | ◇ UNVERIFIED |
| SISpacewalker, INC. | Bonne Terre | MO | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| SSStainless Steel Tanks, INC. | Saint Mary | MO | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| SEStandard Electric Steel Casting Co-springfield | Springfield | MO | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| STStandard Tool and Manufacturing | Grain Valley | MO | Primary Metal Manufacturing331221 | — | ◇ UNVERIFIED |
| SVSteel Ventures | North Kansas City | MO | Primary Metal Manufacturing331221 | — | ◇ UNVERIFIED |
| SVSteel Ventures, LLC | North Kansas City | MO | Primary Metal Manufacturing331111 | — | ◇ UNVERIFIED |
| TDThe Doe Run Company | Viburnum | MO | Primary Metal Manufacturing331492 | — | ◇ UNVERIFIED |
| TPTrinity Products, INC. | Saint Charles | MO | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
 Trinity Stainless INC. | Nixa | MO | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| TSTubular Steel, INC. | Hazelwood | MO | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| UIUpland Industries INC. | Kansas City | MO | Primary Metal Manufacturing331525 | — | ◇ UNVERIFIED |
| WWWeld Wheel Inds | Kansas City | MO | Primary Metal Manufacturing331521 | — | ◇ UNVERIFIED |
| WMWheeler Metals INC | Springfield | MO | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| WTWheel Trendz of Kansas City | Independence | MO | Primary Metal Manufacturing331111 | — | ◇ UNVERIFIED |
| WSWilson Structural Steel, LLC | Fenton | MO | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
