| KSKenwal Steel Corporation | Burns Harbor | IN | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| KAKeystone Automotive Industries Inc- Transmetco | Huntington | IN | Primary Metal Manufacturing331314 | — | ◐ LIKELY ACTIVE |
| MSMetal Source, LLC (GHR02) | Wabash | IN | Primary Metal Manufacturing331314 | 20-99 | ◐ LIKELY ACTIVE |
| MSMetal Source, LLC (GHR07) | Huntington | IN | Primary Metal Manufacturing331314 | 20-99 | ◐ LIKELY ACTIVE |
| MTMetal Technologies INC | Bloomfield | IN | Primary Metal Manufacturing331524 | — | ◐ LIKELY ACTIVE |
| MCMid-continent Coal & Coke Company Contractor of US Steel Cor | Gary | IN | Primary Metal Manufacturing331111 | — | ◐ LIKELY ACTIVE |
| NMNikkei Mc Aluminum America Incorporated | Columbus | IN | Primary Metal Manufacturing331314 | 20-99 | ◐ LIKELY ACTIVE |
| NINitrex INC. | Franklin | IN | Primary Metal Manufacturing331221 | — | ◐ LIKELY ACTIVE |
| NCNovelis Corporation | Terre Haute | IN | Primary Metal Manufacturing331315 | 100-499 | ◐ LIKELY ACTIVE |
| PTParagon Tube | Fort Wayne | IN | Primary Metal Manufacturing331210 | 1-19 | ◐ LIKELY ACTIVE |
| RAReal Alloy Specification, LLC - Wabash, IN | Wabash | IN | Primary Metal Manufacturing331314 | 100-499 | ◐ LIKELY ACTIVE |
| RCRichmond Casting Company | Richmond | IN | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
| RMRochester Metal Products | Rochester | IN | Primary Metal Manufacturing331111 | 100-499 | ◐ LIKELY ACTIVE |
| SLShenango, LLC | Terre Haute | IN | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
| SDSteel Dynamics, Inc. - Structural and Rail | Columbia City | IN | Primary Metal Manufacturing331110 | 500+ | ◐ LIKELY ACTIVE |
| TTT-b Tube Company Incorporated | Gary | IN | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| USUS Steel East Chicago | East Chicago | IN | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| WCWabash Castings Incorporated | Wabash | IN | Primary Metal Manufacturing331521 | 100-499 | ◐ LIKELY ACTIVE |
| ATAllied Tube and Conduit | Merrillville | IN | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| AIAnduril Industries, INC. | West Lafayette | IN | Primary Metal Manufacturing331314 | — | ◐ LIKELY ACTIVE |
| BIBrandenburg Industrial Service CO | Gary | IN | Primary Metal Manufacturing331111 | — | ◐ LIKELY ACTIVE |
| BBrinco | Bristol | IN | Primary Metal Manufacturing331513 | — | ◐ LIKELY ACTIVE |
| EGEssex Group INC | Fort Wayne | IN | Primary Metal Manufacturing331422 | — | ◐ LIKELY ACTIVE |
| LCLake Copper Conductors Hoffman Building | Elkhart | IN | Primary Metal Manufacturing331420 | — | ◐ LIKELY ACTIVE |
| MMetalx | Auburn | IN | Primary Metal Manufacturing331314 | — | ◐ LIKELY ACTIVE |
| NMNational Material Processing | East Chicago | IN | Primary Metal Manufacturing331221 | — | ◐ LIKELY ACTIVE |
| OTOil Technology INC Contractor of Cleveland-cliffs Burns Harb | Portage | IN | Primary Metal Manufacturing331111 | — | ◐ LIKELY ACTIVE |
| PGPhoenix Global Burns Harbor LLC Contractor of Cleveland Clif | Burns Harbor | IN | Primary Metal Manufacturing331111 | — | ◐ LIKELY ACTIVE |
| SMSms Mill Services, LLC a Contractor of Cleveland-cliffs Burn | Burns Harbor | IN | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| STSteel Technologies LLC | Greensburg | IN | Primary Metal Manufacturing331221 | — | ◐ LIKELY ACTIVE |
| SASuperior Aluminum Alloys LLC | New Haven | IN | Primary Metal Manufacturing331314 | — | ◐ LIKELY ACTIVE |
| TCTube City Ims LLC | Portage | IN | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| UTUnion Tube Mill LLC | Union City | IN | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| UGU.s. Granules Corporation | Plymouth | IN | Primary Metal Manufacturing331314 | — | ◐ LIKELY ACTIVE |
| WFWarsaw Foundry Company INC | Warsaw | IN | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
| 2R2700 Real Estate Holdings | Elkhart | IN | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| AMAero Metals, INC Dar;ington St | La Porte | IN | Primary Metal Manufacturing331512 | — | ◇ UNVERIFIED |
| AFAkron Foundry, INC. | Akron | IN | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| ATAk Tube LLC | Columbus | IN | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| ASAleris Specialty Products, INC. | Hammond | IN | Primary Metal Manufacturing331314 | — | ◇ UNVERIFIED |
| ALAllegheny Ludlum LLC | New Castle | IN | Primary Metal Manufacturing331111 | — | ◇ UNVERIFIED |
| AAAmcast Automotive Corporation | Marion | IN | Primary Metal Manufacturing331521 | — | ◇ UNVERIFIED |
| AAAmcast Automotive - Fremont | Fremont | IN | Primary Metal Manufacturing331521 | — | ◇ UNVERIFIED |
| ARAmg Resources CORP | Gary | IN | Primary Metal Manufacturing331492 | — | ◇ UNVERIFIED |
| ALAozi-brookville, LLC | Indianapolis | IN | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| AFAuburn Foundry, INC Plant 1 | Auburn | IN | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| BMBanner Medical | Warsaw | IN | Primary Metal Manufacturing331491 | — | ◇ UNVERIFIED |
| BSBeemsterboer Slag Corporation a Contractor of Cleveland-clif | Burns Harbor | IN | Primary Metal Manufacturing331111 | — | ◇ UNVERIFIED |
| BWBelden Wire & Cable CO | Richmond | IN | Primary Metal Manufacturing331420 | — | ◇ UNVERIFIED |
| BIBlastech, INC. | Gary | IN | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |