| DIDualtech Incorporated | Franklin | IN | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| FMFord Meter Box Company INC | Wabash | IN | Primary Metal Manufacturing331525 | 500+ | ◐ LIKELY ACTIVE |
| HBHanger Bolt & Stud CO | Greenfield | IN | Primary Metal Manufacturing331222 | 20-99 | ◐ LIKELY ACTIVE |
| IPIntat Precision INC | Rushville | IN | Nonmetallic Mineral Product Manufacturing327213 | 100-499 | ◐ LIKELY ACTIVE |
| MCMadison-kipp Corporation | Richmond | IN | Primary Metal Manufacturing331523 | 20-99 | ◐ LIKELY ACTIVE |
| MFMahoney Foundries | Kendallville | IN | Primary Metal Manufacturing331524 | 100-499 | ◐ LIKELY ACTIVE |
| NVNorth Vernon Industry CORP | North Vernon | IN | Primary Metal Manufacturing331511 | 100-499 | ◐ LIKELY ACTIVE |
| NPNtk Precision Axle CORP | Frankfort | IN | Primary Metal Manufacturing331221 | 100-499 | ◐ LIKELY ACTIVE |
| RAReal Alloy Recycling LLC | Wabash | IN | Primary Metal Manufacturing331314 | 20-99 | ◐ LIKELY ACTIVE |
| RDRyobi Die Casting (usa), INC. | Shelbyville | IN | Primary Metal Manufacturing331521 | 500+ | ◐ LIKELY ACTIVE |
| SESapa Extrusions North America, INC | North Liberty | IN | Primary Metal Manufacturing331316 | — | ◐ LIKELY ACTIVE |
| SCStellite Coatings | Goshen | IN | Primary Metal Manufacturing331314 | 20-99 | ◐ LIKELY ACTIVE |
| SCS.u.s Cast Products INC. | Logansport | IN | Primary Metal Manufacturing331523 | 20-99 | ◐ LIKELY ACTIVE |
| SGSuzuki Garphyttan | South Bend | IN | Primary Metal Manufacturing331222 | 20-99 | ◐ LIKELY ACTIVE |
| ASAk Steel Rockport Works | Rockport | IN | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| AIAluminum Insights LLC | Syracuse | IN | Primary Metal Manufacturing331318 | 20-99 | ◐ LIKELY ACTIVE |
| ALArcelormittal LLC - Burns Harbor Facility | Burns Harbor | IN | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| ALArconic Lafayette LLC | Lafayette | IN | Primary Metal Manufacturing331314 | — | ◐ LIKELY ACTIVE |
| AIAvestapolarit INC | New Castle | IN | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| BWBelden Wire & Cable Company | Richmond | IN | Primary Metal Manufacturing331420 | — | ◐ LIKELY ACTIVE |
| CPCulvert Placement and Storage Area Expansion for Waupaca Foundry Plant 5 Facilit | Tell City | IN | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
| DCDalton CORP Warsaw Mfg Facility | Warsaw | IN | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
| EAEnkei America INC | Columbus | IN | Primary Metal Manufacturing331521 | — | ◐ LIKELY ACTIVE |
| FWFort Wayne Foundry- Columbia City Div. I | Columbia City | IN | Primary Metal Manufacturing331222 | — | ◐ LIKELY ACTIVE |
| FFFountain Foundry | Veedersburg | IN | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| GFGarfield Facility LLC | Muncie | IN | Primary Metal Manufacturing331419 | — | ◐ LIKELY ACTIVE |
| GCGeneral Cable Industries, INC. | Marion | IN | Primary Metal Manufacturing331420 | — | ◐ LIKELY ACTIVE |
| GMGeneral Motors LLC Bedford Cetc | Bedford | IN | Primary Metal Manufacturing331521 | — | ◐ LIKELY ACTIVE |
| GLGrede LLC | New Castle | IN | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
| HIHarvey Industries LLC | Wabash | IN | Primary Metal Manufacturing331524 | — | ◐ LIKELY ACTIVE |
| HEHeritage Environmental Services, LLC | Indianapolis | IN | Primary Metal Manufacturing331492 | — | ◐ LIKELY ACTIVE |
| HPHolscher Products INC | Fowler | IN | Primary Metal Manufacturing331221 | 20-99 | ◐ LIKELY ACTIVE |
| HLHowmet - La Porte Castings | La Porte | IN | Primary Metal Manufacturing331512 | 500+ | ◐ LIKELY ACTIVE |
| ICId Castings LLC | Noblesville | IN | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| ITIndiana Tube CORP | Evansville | IN | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| JCJupiter Coil Coating Division | Fairland | IN | Primary Metal Manufacturing331315 | — | ◐ LIKELY ACTIVE |
| LILinacast Incorporated Linamar Light Metals Pierceton | Pierceton | IN | Primary Metal Manufacturing331521 | — | ◐ LIKELY ACTIVE |
| MCMuncie Casting CORP | Muncie | IN | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
| NINlmk Indiana | Portage | IN | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| NFNucor Fastener Shelbyville | Shelbyville | IN | Primary Metal Manufacturing331222 | 20-99 | ◐ LIKELY ACTIVE |
| PFPlymouth Foundry Incorporated | Plymouth | IN | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| PTPlymouth Tube Company | Winamac | IN | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| RPResonac Powdered Metals America, INC | Greensburg | IN | Primary Metal Manufacturing331492 | 100-499 | ◐ LIKELY ACTIVE |
| SIScepter INC | Bicknell | IN | Primary Metal Manufacturing331314 | — | ◐ LIKELY ACTIVE |
| SLSdi Lafarga LLC - Copperworks Facility | New Haven | IN | Primary Metal Manufacturing331314 | — | ◐ LIKELY ACTIVE |
| SDSteel Dynamics Incorporated | Butler | IN | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| SDSteel Dynamics Structural | Columbia City | IN | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| UEUnion Electric Steel Corporation | Valparaiso | IN | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| WMWeil Mclain a United Dominion Company | Michigan City | IN | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
| ARArmsted Rail Company INC | Hammond | IN | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |