| 1T105355 - T-b Tube Company Incorporated | Gary | IN | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| AMAdvanced Magnesium Alloys CORP (amacor) | Anderson | IN | Primary Metal Manufacturing331492 | 20-99 | ◐ LIKELY ACTIVE |
| ASAk Steel Rockport Works | Rockport | IN | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| DCDalton CORP Warsaw Mfg Facility | Warsaw | IN | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| DSDeloro Stellite INC | Goshen | IN | Primary Metal Manufacturing331314 | 20-99 | ◐ LIKELY ACTIVE |
| DIDualtech Incorporated | Franklin | IN | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| EREcobat Resources | Indianapolis | IN | Primary Metal Manufacturing331492 | 100-499 | ◐ LIKELY ACTIVE |
| EAEnkei America INC | Columbus | IN | Primary Metal Manufacturing331521 | 500+ | ◐ LIKELY ACTIVE |
| FMFord Meter Box Company INC | Wabash | IN | Primary Metal Manufacturing331525 | 500+ | ◐ LIKELY ACTIVE |
| FFFountain Foundry | Veedersburg | IN | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| HBHanger Bolt & Stud CO | Greenfield | IN | Primary Metal Manufacturing331222 | 20-99 | ◐ LIKELY ACTIVE |
| HPHolscher Products INC | Fowler | IN | Primary Metal Manufacturing331221 | 20-99 | ◐ LIKELY ACTIVE |
| IPIntat Precision INC | Rushville | IN | Nonmetallic Mineral Product Manufacturing327213 | 100-499 | ◐ LIKELY ACTIVE |
| KAKaiser Aluminum Warrick LLC | Newburgh | IN | Primary Metal Manufacturing331313 | 500+ | ◐ 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 |
| MCMuncie Casting CORP | Muncie | IN | Primary Metal Manufacturing331511 | 1-19 | ◐ 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 |
| NFNucor Fastener Shelbyville | Shelbyville | IN | Primary Metal Manufacturing331222 | 20-99 | ◐ LIKELY ACTIVE |
| PFPlymouth Foundry Incorporated | Plymouth | IN | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| RAReal Alloy Recycling LLC | Wabash | IN | Primary Metal Manufacturing331314 | 20-99 | ◐ LIKELY ACTIVE |
| RMRea Magnet Wire Company INC | Lafayette | IN | Primary Metal Manufacturing331318 | 100-499 | ◐ LIKELY ACTIVE |
| RDRyobi Die Casting (usa), INC. | Shelbyville | IN | Primary Metal Manufacturing331521 | 500+ | ◐ 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 |
| UPUS Premier Tube Mills, LLC | Madison | IN | Primary Metal Manufacturing331111 | 100-499 | ◐ LIKELY ACTIVE |
| BBBahr Brothers Manufacturing, INC. | Marion | IN | Primary Metal Manufacturing331513 | 20-99 | ◐ LIKELY ACTIVE |
| BBBall Brass & Aluminum Foundry | Auburn | IN | Primary Metal Manufacturing331524 | 1-19 | ◐ LIKELY ACTIVE |
| ITI/n Tek | New Carlisle | IN | Primary Metal Manufacturing331111 | — | ◐ LIKELY ACTIVE |
| SWSteel Warehouse CO LLC | South Bend | IN | Primary Metal Manufacturing331210 | 1-19 | ◐ LIKELY ACTIVE |
| UGU.s. Granules Corporation | Plymouth | IN | Primary Metal Manufacturing331314 | 20-99 | ◐ LIKELY ACTIVE |
| VSValbruna Slater Stainless, INC | Fort Wayne | IN | Primary Metal Manufacturing331111 | 20-99 | ◐ LIKELY ACTIVE |
| WAWard Aluminum Casting, INC | Fort Wayne | IN | Primary Metal Manufacturing331523 | — | ◐ LIKELY ACTIVE |
| 1R104725 - Rochester Metal Products | Rochester | IN | Primary Metal Manufacturing331111 | 100-499 | ◐ LIKELY ACTIVE |
| 1A105424 - Aluminum Recovery Technologies | Kendallville | IN | Primary Metal Manufacturing331314 | 20-99 | ◐ LIKELY ACTIVE |
| 1N105859 - Novelis Corporation | Terre Haute | IN | Primary Metal Manufacturing331315 | 100-499 | ◐ LIKELY ACTIVE |
| 1N105860 - Niagara Lasalle Corporation | Hammond | IN | Primary Metal Manufacturing331221 | 1-19 | ◐ LIKELY ACTIVE |
| 1N106321 - Nikkei Mc Aluminum America Incorporated | Columbus | IN | Primary Metal Manufacturing331314 | 20-99 | ◐ LIKELY ACTIVE |
| AIAluminum Insights LLC | Syracuse | IN | Primary Metal Manufacturing331318 | 20-99 | ◐ LIKELY ACTIVE |
| ABArcelormittal Burns Harbor | Burns Harbor | IN | Primary Metal Manufacturing331111 | — | ◐ LIKELY ACTIVE |
| ALArcelormittal LLC - Burns Harbor Facility | Burns Harbor | IN | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| AIAvestapolarit INC | New Castle | IN | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| BWBelden Wire & Cable Company | Richmond | IN | Primary Metal Manufacturing331420 | — | ◐ LIKELY ACTIVE |
| BIBrazeway Indiana Incorporated | Shelbyville | IN | Primary Metal Manufacturing331316 | 20-99 | ◐ LIKELY ACTIVE |
| CPCulvert Placement and Storage Area Expansion for Waupaca Foundry Plant 5 Facilit | Tell City | IN | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
| FPFoley Pattern Company, Inc. | Auburn | IN | Primary Metal Manufacturing331524 | 1-19 | ◐ LIKELY ACTIVE |
| FWFort Wayne Foundry- Columbia City Div. I | Columbia City | IN | Primary Metal Manufacturing331222 | — | ◐ LIKELY ACTIVE |
| GFGarfield Facility LLC | Muncie | IN | Primary Metal Manufacturing331419 | — | ◐ LIKELY ACTIVE |
| GCGeneral Cable Industries, INC. | Marion | IN | Primary Metal Manufacturing331420 | — | ◐ LIKELY ACTIVE |