| WMWeil Mclain a United Dominion Company | Michigan City | — | ◐ LIKELY ACTIVE |
| ARArmsted Rail Company INC | Hammond | — | ◐ LIKELY ACTIVE |
| CUContech Us, LLC | Auburn | — | ◐ LIKELY ACTIVE |
| EGEssex Group LLC Franklin | Franklin | — | ◐ LIKELY ACTIVE |
| FUFca US LLC | Kokomo | — | ◐ LIKELY ACTIVE |
| HMHarsco Minerals Briquetting LLC | East Chicago | — | ◐ LIKELY ACTIVE |
| ITI/n Tek | New Carlisle | — | ◐ LIKELY ACTIVE |
| LLLabeca LLC | Fort Wayne | — | ◐ LIKELY ACTIVE |
| MLMatalco LLC - Bluffton | Bluffton | — | ◐ LIKELY ACTIVE |
| OAO&k American CORP | Seymour | — | ◐ LIKELY ACTIVE |
| TCThyssenkrupp Crankshaft Company | Veedersburg | — | ◐ LIKELY ACTIVE |
| BBBahr Brothers Manufacturing, INC. | Marion | — | ◇ UNVERIFIED |
| BBBall Brass & Aluminum Foundry | Auburn | — | ◇ UNVERIFIED |
| BBBeckett Bronze CO. INC. | Muncie | — | ◇ UNVERIFIED |
| CKChrysler Kokomo Casting Plant | Kokomo | — | ◇ UNVERIFIED |
| CFCrosbie Foundry CO | Elkhart | — | ◇ UNVERIFIED |
 Dubose Strapping Inc.-treatment Plant #1 | Crawfordsville | — | ◇ UNVERIFIED |
| ECElectric Coating Technologies, LLC | East Chicago | — | ◇ UNVERIFIED |
| FWFort Wayne Metals - Avionics Building | Fort Wayne | — | ◇ UNVERIFIED |
| FWFort Wayne Metals - Mcarthur Building | Fort Wayne | — | ◇ UNVERIFIED |
| GAGeneral Aluminum Mfg CO | Fremont | — | ◇ UNVERIFIED |
| HAHuntington Alloys CORP | Elkhart | — | ◇ UNVERIFIED |
| ICId Castings Building Demolition | Noblesville | — | ◇ UNVERIFIED |
| IWInternational Wire Avilla | Avilla | — | ◇ UNVERIFIED |
| MCMed Cast Incorporated | Warsaw | — | ◇ UNVERIFIED |
| SESapa Extruder Incorporated | Connersville | — | ◇ UNVERIFIED |
| SCSouthwire Company LLC | Bremen | — | ◇ UNVERIFIED |
| STSteel Technologies Llc-treatment Plant #1 | Crawfordsville | — | ◇ UNVERIFIED |
| STSteel Technologies Portage | Portage | — | ◇ UNVERIFIED |
| SWSteel Warehouse CO LLC | South Bend | — | ◇ UNVERIFIED |
| TCTube City INC at US Steel | Gary | — | ◇ UNVERIFIED |
| VSValbruna Slater Stainless, INC | Fort Wayne | — | ◇ UNVERIFIED |
| EPExeon Processors LLC | Jonesboro | — | ◐ LIKELY ACTIVE |
| RSRecycling Services of Indiana | Bedford | — | ◇ UNVERIFIED |
| ACAbex CORP Amsco Div | Anderson | — | ◐ LIKELY ACTIVE |
| AMAdvanced Magnesium Alloys CORP (amacor) | Anderson | — | ◐ LIKELY ACTIVE |
| AWAlcoa Warrick Operations | Newburgh | — | ◐ LIKELY ACTIVE |
| AEAltec Extrusions | Jeffersonville | — | ◐ LIKELY ACTIVE |
| ARAluminum Recovery Technologies | Kendallville | 20–99 | ◐ LIKELY ACTIVE |
| AMArcelor Mittal/indiana Harbor Long Carbon | East Chicago | — | ◐ LIKELY ACTIVE |
| APArcelormittal Plate LLC (gary Plate) | Gary | — | ◐ LIKELY ACTIVE |
| ERElement Resources LLC | Muncie | 100–499 | ◐ LIKELY ACTIVE |
| ESEssex Solutions USA LLC | Columbia City | — | ◐ LIKELY ACTIVE |
| FSFederal-Mogul South Bend | South Bend | 100–499 | ◐ LIKELY ACTIVE |
| FFForemost Fabricators | Goshen | 100–499 | ◐ LIKELY ACTIVE |
| GPGraber Post Buildings INC | Montgomery | — | ◐ LIKELY ACTIVE |
| HPHigh Performance Alloys INC. | Windfall | — | ◐ LIKELY ACTIVE |
| HEHydro Extrusion Usa, LLC | Elkhart | — | ◐ LIKELY ACTIVE |
| IMInternational Mill Service, INC. | East Chicago | — | ◐ LIKELY ACTIVE |
| KAKaiser Aluminum Warrick LLC | Newburgh | 500+ | ◐ LIKELY ACTIVE |
