 Commercial Metal Fabricators, INC. | Dayton | OH | Primary Metal Manufacturing331221 | — | ● ACTIVE |
 Bastech INC | Dayton | OH | Primary Metal Manufacturing331512 | — | ● ACTIVE |
| NCNon-ferrous Casting Company | Dayton | OH | Primary Metal Manufacturing331524 | — | ● ACTIVE |
 Astro Industries INC | Dayton | OH | Primary Metal Manufacturing331422 | — | ◐ LIKELY ACTIVE |
| MMancor | Dayton | OH | Primary Metal Manufacturing331512 | 100-499 | ◐ LIKELY ACTIVE |
| RIRichmond Industries INC | Dayton | NJ | Primary Metal Manufacturing331523 | — | ◐ LIKELY ACTIVE |
| LHL & H Threaded Rods CORP | Dayton | OH | Primary Metal Manufacturing331221 | — | ◇ UNVERIFIED |
| YIYoder Industries INC | Dayton | OH | Primary Metal Manufacturing331314 | — | ◇ UNVERIFIED |
| IWInsteel Wire Products TXW | Dayton | TX | Primary Metal Manufacturing331222 | 20-99 | ◐ LIKELY ACTIVE |
| PTProduction Tube Cutting | Dayton | OH | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| FCFlowserve Corporation * | Dayton | OH | Primary Metal Manufacturing331512 | — | ◇ UNVERIFIED |
| GTGlobal Tubing LLC Coiled Tubing Manufacturing Facility in Dayton Texas | Dayton | TX | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| OIOakley, INC. | Dayton | NV | Primary Metal Manufacturing331522 | — | ◇ UNVERIFIED |
| YIYoder Industries INC | Dayton | OH | Primary Metal Manufacturing331314 | — | ◇ UNVERIFIED |
| ETEpix Tube Company, Inc. | Dayton | OH | Primary Metal Manufacturing331110 | 100-499 | ◐ LIKELY ACTIVE |
| RFRichmond Foundry, LLC | Dayton | NJ | Primary Metal Manufacturing331529 | 20-99 | ◐ LIKELY ACTIVE |
| SWSumiden Wire Products Corporation - TX | Dayton | TX | Primary Metal Manufacturing331222 | 20-99 | ◐ LIKELY ACTIVE |
| BMBetra Manufacturing Co., INC. | Dayton | NV | Primary Metal Manufacturing331524 | — | ◇ UNVERIFIED |
| HWHolland Weights LLC | Dayton | KY | Primary Metal Manufacturing331410 | — | ◇ UNVERIFIED |
| IIInsteel Industries, INC. | Dayton | TX | Primary Metal Manufacturing331222 | — | ◇ UNVERIFIED |
| JSJ & S Maching, INC. | Dayton | OH | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| TMTomco Machining INC | Dayton | OH | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| UOUsdol Osha - Cincinnati Area Office | Dayton | OH | Primary Metal Manufacturing331521 | — | ◇ UNVERIFIED |
| WTWa317935982 - Truefab LLC | Dayton | WA | Primary Metal Manufacturing331314 | — | ◇ UNVERIFIED |
| YDYoder Die Casting INC | Dayton | OH | Primary Metal Manufacturing331521 | — | ◇ UNVERIFIED |
