| BSBeemsterboer Slag Corporation a Contractor of Cleveland-clif | Burns Harbor | — | ◇ UNVERIFIED |
| BSBeemsterboer Slag Corporation Contractor of Cleveland-cliffs Steel LLC | East Chicago | — | ◇ UNVERIFIED |
| BWBelden Wire & Cable CO | Richmond | — | ◇ UNVERIFIED |
| BIBlastech, INC. | Gary | — | ◇ UNVERIFIED |
| BLBon L Manufacturing CO | Kentland | — | ◇ UNVERIFIED |
| BIBristol Indiana Corporation Dba Brinco | Bristol | — | ◇ UNVERIFIED |
| BMBull Moose Tube CO. INC. - Plant #9 | Elkhart | — | ◇ UNVERIFIED |
| CTCasting Technologies Company | Franklin | — | ◇ UNVERIFIED |
| CRCaterpillar Reman Powertrain Indiana, INC | Franklin | — | ◇ UNVERIFIED |
| CLChrysler, LLC | Indianapolis | — | ◇ UNVERIFIED |
| CCColeman Cable LLC | Bremen | — | ◇ UNVERIFIED |
| CLCopperfield LLC | Orleans | — | ◇ UNVERIFIED |
| DCDalton CORP Kendallville Mfg Facility | Kendallville | — | ◇ UNVERIFIED |
| DLDana Liner Foundry and Machine Plant | Richmond | — | ◇ UNVERIFIED |
| DIDwyer Instruments | La Porte | — | ◇ UNVERIFIED |
| E1Element 13 LLC | Richmond | — | ◇ UNVERIFIED |
| EFElkhart Foundry & Machine Company Incorporated | Elkhart | — | ◇ UNVERIFIED |
| EFEssex Furukawa Magnet Wire USA LLC Plant 202 | Columbia City | — | ◇ UNVERIFIED |
| EGEssex Group INC | Vincennes | — | ◇ UNVERIFIED |
| EGEssex Group Incorporated | Kendallville | — | ◇ UNVERIFIED |
| FAFaeza Alloyers Usa, LLC | Shelbyville | — | ◇ UNVERIFIED |
| FMFederated Metals CORP | Whiting | — | ◇ UNVERIFIED |
| FRFort Recovery 2019 Building Addition | Portland | — | ◇ UNVERIFIED |
| FWFort Wayne Foundry-lima Road Division | Fort Wayne | — | ◇ UNVERIFIED |
| FWFort Wayne Metals - James Building | Fort Wayne | — | ◇ UNVERIFIED |
| FEFritz Enterprises Incorporated | Gary | — | ◇ UNVERIFIED |
| GCGolden Casting CORP | Columbus | — | ◇ UNVERIFIED |
| HFHamilton Foundry & Machine Co, Decatur Casting Div | Decatur | — | ◇ UNVERIFIED |
 Haynes International | Kokomo | — | ◇ UNVERIFIED |
| HMHoskins Manufacturing | New Paris | — | ◇ UNVERIFIED |
| HAHuntington Aluminum INC | Huntington | — | ◇ UNVERIFIED |
| IRImco Recycling of Indiana | Bedford | — | ◇ UNVERIFIED |
| KCKendon Corporation | Muncie | — | ◇ UNVERIFIED |
| KEKimball Electronices Group Auburn | Auburn | — | ◇ UNVERIFIED |
| KWKokoku Wire Industries Corporation | South Bend | — | ◇ UNVERIFIED |
| KCKroot CORP | Columbus | — | ◇ UNVERIFIED |
| LCLake Copper Conductors LLC | Elkhart | — | ◇ UNVERIFIED |
| LPLa Porte Technologies LLC | La Porte | — | ◇ UNVERIFIED |
| MPMadison Precision Products INC | Madison | — | ◇ UNVERIFIED |
| MRMarmon Retail Home Improvement Products | Crothersville | — | ◇ UNVERIFIED |
| MIMetals Investment Trust LTD. | East Chicago | — | ◇ UNVERIFIED |
| MSMetal Source LLC | Wabash | — | ◇ UNVERIFIED |
| MAMetl-span a Div of Nci Group INC | Shelbyville | — | ◇ UNVERIFIED |
| MCMid-continent Coal & Coke | Portage | — | ◇ UNVERIFIED |
| MMMid-west Metal Products | Muncie | — | ◇ UNVERIFIED |
| PMPatrick Metals | Mishawaka | — | ◇ UNVERIFIED |
| PPPhillips Patterns & Castings, INC | Muncie | — | ◇ UNVERIFIED |
| PAPosco - Aapc | Jeffersonville | — | ◇ UNVERIFIED |
| PPPrecision Propellers | Indianapolis | — | ◇ UNVERIFIED |
| RMRea Magnet Wire CO INC | Fort Wayne | — | ◇ UNVERIFIED |
