| MSMatthews Stamping | Richmond | — | ◐ LIKELY ACTIVE |
| MPMetal Plate Polishing, INC | Fort Wayne | — | ◐ LIKELY ACTIVE |
| MSMetal Spinners | Angola | — | ◐ LIKELY ACTIVE |
| MSMetal Spinners | Angola | — | ◐ LIKELY ACTIVE |
| MTMetal Technology of Indiana, INC | Lebanon | 1–19 | ◐ LIKELY ACTIVE |
| MAMetl-span a Div of Nci Group INC | Shelbyville | — | ◐ LIKELY ACTIVE |
| MMMidwest Metal | Muncie | — | ◐ LIKELY ACTIVE |
| MCMikes Custom Painting INC | Bremen | — | ◐ LIKELY ACTIVE |
| MMMiller Manufacturing | Nappanee | 20–99 | ◐ LIKELY ACTIVE |
| MIMor/ryde International INC | Elkhart | — | ◐ LIKELY ACTIVE |
| NMNational Material Processing | East Chicago | — | ◐ LIKELY ACTIVE |
| NINewjac Industrial, LLC | Indianapolis | 20–99 | ◐ LIKELY ACTIVE |
| NINorthern Indiana Anodize | Fort Wayne | — | ◐ LIKELY ACTIVE |
| NHNucor Harris Rebar Midwest LLC | Mooresville | — | ◐ LIKELY ACTIVE |
| OBO'bryan Barrel CO INC | Evansville | — | ◐ LIKELY ACTIVE |
| OBObryan Barrel Company Incorporated | Evansville | — | ◐ LIKELY ACTIVE |
| OSO'neal Steel, INC. | Indianapolis | — | ◐ LIKELY ACTIVE |
| PPPower Plt Svc INC | Fort Wayne | 20–99 | ◐ LIKELY ACTIVE |
| PMPrecoat Metals Division Sequa Coatings | Portage | — | ◐ LIKELY ACTIVE |
| PAPremier Ag Co-op Incorporated | Washington | — | ◐ LIKELY ACTIVE |
Premier Forge Group LLC | Portland | — | ◐ LIKELY ACTIVE |
| QQuikcut,llc | Fort Wayne | — | ◐ LIKELY ACTIVE |
Reelcraft Industries Incorporated | Columbia City | — | ◐ LIKELY ACTIVE |
| RSRepublic Services - Clinton County Landfill | Frankfort | — | ◐ LIKELY ACTIVE |
| RFRoll Forming Corporation | Jeffersonville | — | ◐ LIKELY ACTIVE |
| SLSchlage Lock Company LLC | Greenfield | — | ◐ LIKELY ACTIVE |
| VIValmont Industries INC | Elkhart | — | ◐ LIKELY ACTIVE |
| VWVenture Welding (howe) | Howe | — | ◐ LIKELY ACTIVE |
| VAViant Aso Holdings LLC | Indianapolis | — | ◐ LIKELY ACTIVE |
| ABAcuity Brands Lighting, INC. - North Plant | Crawfordsville | — | ◇ UNVERIFIED |
| APAdvance Plating Works | Indianapolis | — | ◇ UNVERIFIED |
| ACAlloy Custom Products, INC. - Treatment Plant #2 | Lafayette | — | ◇ UNVERIFIED |
| ACAlloy Custom Products LLC | Delphi | — | ◇ UNVERIFIED |
| ASAnderson Silver Plating CO INC | Elkhart | — | ◇ UNVERIFIED |
| AIArvin Industries INC | Greenwood | — | ◇ UNVERIFIED |
| APAstro Pak Corporation | Indianapolis | — | ◇ UNVERIFIED |
| ACAtlas Chemical Milling | Elkhart | — | ◇ UNVERIFIED |
| ACAtlas Copco Hurricane LLC | Franklin | — | ◇ UNVERIFIED |
| AAAtmosphere Annealing LLC | North Vernon | — | ◇ UNVERIFIED |
| BABastian Automation LLC | Greenfield | — | ◇ UNVERIFIED |
| BMBaycote Metal Finishing Site | Mishawaka | — | ◇ UNVERIFIED |
| BMBootz Manufacturing Company LLC | Evansville | — | ◇ UNVERIFIED |
| BSBreed Steering Sys. INC. | Grabill | — | ◇ UNVERIFIED |
| CMCircle M Spring | Warsaw | 20–99 | ◇ UNVERIFIED |
| CSCives Steel Company, Mid-west Division | Wolcott | — | ◇ UNVERIFIED |
| CRCmc Rebar Muncie North | Muncie | — | ◇ UNVERIFIED |
| CHCold Heading CO | Fremont | — | ◇ UNVERIFIED |
| CICollis, INC. | Evansville | — | ◇ UNVERIFIED |
| CFCommercial Finishing CORP | Indianapolis | — | ◇ UNVERIFIED |
| CFCommercial Finishing Corporation | Indianapolis | — | ◇ UNVERIFIED |