| PSPvs Steel Services INC | Grandview | IN | Chemical Manufacturing325131 | — | ◐ LIKELY ACTIVE |
| RPRbc Precision Products | Bremen | IN | Fabricated Metal Product Manufacturing332991 | — | ◐ LIKELY ACTIVE |
| RTRc Trailers | Middlebury | IN | Machinery Manufacturing333924 | — | ◐ LIKELY ACTIVE |
| RARevitalizing Auto Communities Environmental Response Trust | Anderson | IN | Chemical Manufacturing325211 | — | ◐ LIKELY ACTIVE |
| RFRightway Fasteners, INC | Columbus | IN | Fabricated Metal Product Manufacturing332722 | — | ◐ LIKELY ACTIVE |
| RCRobur Corporation | Evansville | IN | Plastics and Rubber Products Manufacturing326199 | — | ◐ LIKELY ACTIVE |
| RWRollie Williams Paint Spot INC | Elkhart | IN | Chemical Manufacturing325998 | — | ◐ LIKELY ACTIVE |
| RCRolls-royce CORP Single Crystal Operation | Indianapolis | IN | Transportation Equipment Manufacturing336412 | — | ◐ LIKELY ACTIVE |
| RARoyal Adhesives and Sealants LLC | South Bend | IN | Chemical Manufacturing325520 | — | ◐ LIKELY ACTIVE |
| SISabic Innovative Plastics US LLC | Columbus | IN | Chemical Manufacturing325991 | — | ◐ LIKELY ACTIVE |
| SESapa Extruder Incorporated | Connersville | IN | Primary Metal Manufacturing331316 | — | ◐ LIKELY ACTIVE |
| SIScepter INC | Bicknell | IN | Primary Metal Manufacturing331314 | — | ◐ LIKELY ACTIVE |
| SIScot Industries, INC | Auburn | IN | Fabricated Metal Product Manufacturing332813 | — | ◐ LIKELY ACTIVE |
| SCSelmer Company | Elkhart | IN | Miscellaneous Manufacturing339992 | — | ◐ LIKELY ACTIVE |
| SCSilgan Containers Manufacturing Corpora | Hammond | IN | Fabricated Metal Product Manufacturing332431 | — | ◐ LIKELY ACTIVE |
| SSilvertowne | Winchester | IN | Miscellaneous Manufacturing339999 | — | ◐ LIKELY ACTIVE |
| SDSmith Dairy Wayne Division | Richmond | IN | Food Manufacturing311511 | — | ◐ LIKELY ACTIVE |
| SWSoutheast Wood Treating Incorporated | Richmond | IN | Wood Product Manufacturing321114 | — | ◐ LIKELY ACTIVE |
| SCSouthwire Company LLC | Bremen | IN | Primary Metal Manufacturing331420 | — | ◐ LIKELY ACTIVE |
| SMSpawn Mate, INC. | New Albany | IN | Chemical Manufacturing325311 | — | ◐ LIKELY ACTIVE |
| SDSquare D CO. | Huntington | IN | Electrical Equipment, Appliance & Component Manufacturing335311 | — | ◐ LIKELY ACTIVE |
| SGSrg Global - Evansville | Evansville | IN | Plastics and Rubber Products Manufacturing326199 | — | ◐ LIKELY ACTIVE |
| SMStandard Motor Products Mishawaka | Mishawaka | IN | Plastics and Rubber Products Manufacturing326291 | — | ◐ LIKELY ACTIVE |
| SDSteel Dynamics INC | Jeffersonville | IN | Fabricated Metal Product Manufacturing332812 | — | ◐ LIKELY ACTIVE |
| STSteel Technologies LLC | Greensburg | IN | Primary Metal Manufacturing331221 | — | ◐ LIKELY ACTIVE |
| STSteel Technologies Llc-treatment Plant #1 | Crawfordsville | IN | Primary Metal Manufacturing331221 | — | ◐ LIKELY ACTIVE |
| STSteel Technologies Portage | Portage | IN | Primary Metal Manufacturing331221 | — | ◐ LIKELY ACTIVE |
| SWSteinkamp Warehouse INC | Huntingburg | IN | Wood Product Manufacturing321114 | — | ◐ LIKELY ACTIVE |
| SFSterling Fluid Systems (usa), LLC - Peerless Pump | Indianapolis | IN | Machinery Manufacturing333914 | — | ◐ LIKELY ACTIVE |
| SGStoncor Group Incorporated | Fort Wayne | IN | Chemical Manufacturing325510 | — | ◐ LIKELY ACTIVE |
| SCStructural Composites of Indiana INC | Ligonier | IN | Plastics and Rubber Products Manufacturing326199 | — | ◐ LIKELY ACTIVE |
| SMSvc Manufacturing, INC. | Indianapolis | IN | Food Manufacturing311421 | — | ◐ LIKELY ACTIVE |
| SMSymmetry Medical USA Incorporated Claypool | Claypool | IN | Miscellaneous Manufacturing339112 | — | ◐ LIKELY ACTIVE |
| SMSymmetry Medical Warsaw Building 1 | Warsaw | IN | Miscellaneous Manufacturing339112 | — | ◐ LIKELY ACTIVE |
| SSSyndicate Sales, INC. | Kokomo | IN | Plastics and Rubber Products Manufacturing326140 | — | ◐ LIKELY ACTIVE |
| SSSyndicate Sales, INC. | Kokomo | IN | Plastics and Rubber Products Manufacturing326150 | 100-499 | ◐ LIKELY ACTIVE |
| TATenneco Automotive | Angola | IN | Plastics and Rubber Products Manufacturing326291 | — | ◐ LIKELY ACTIVE |
| TATenneco Automotive Operating Company | Elkhart | IN | Transportation Equipment Manufacturing336310 | — | ◐ LIKELY ACTIVE |
| TITenneco Incorporated | Ligonier | IN | Transportation Equipment Manufacturing336390 | — | ◐ LIKELY ACTIVE |
| TAThe Andersons Logansport Terminal | Logansport | IN | Chemical Manufacturing325314 | — | ◐ LIKELY ACTIVE |
| TPThunderbird Products | Decatur | IN | Transportation Equipment Manufacturing336612 | — | ◐ LIKELY ACTIVE |
| TCThyssenkrupp Crankshaft Company | Veedersburg | IN | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| TATower Automotive Products INC | Auburn | IN | Fabricated Metal Product Manufacturing332116 | — | ◐ LIKELY ACTIVE |
| TSTower Structrual Laminating Incorporated | Ligonier | IN | Plastics and Rubber Products Manufacturing326130 | — | ◐ LIKELY ACTIVE |
| TSToyoshima Special Steel USA | Indianapolis | IN | Fabricated Metal Product Manufacturing332611 | 1-19 | ◐ LIKELY ACTIVE |
| TCTrane CO | Rushville | IN | Machinery Manufacturing333415 | — | ◐ LIKELY ACTIVE |
| TPTriplex Plating INC. | Michigan City | IN | Fabricated Metal Product Manufacturing332813 | — | ◐ LIKELY ACTIVE |
| TCTube City INC at US Steel | Gary | IN | Primary Metal Manufacturing331111 | — | ◐ LIKELY ACTIVE |
| UGUfp Granger LLC | Granger | IN | Wood Product Manufacturing321114 | — | ◐ LIKELY ACTIVE |
| UHUnilever Hpc USA | Hammond | IN | Chemical Manufacturing325611 | — | ◐ LIKELY ACTIVE |