| SWServicepdi - Wakarusa | Wakarusa | IN | Transportation Equipment Manufacturing336213 | 500+ | ◐ LIKELY ACTIVE |
| SLServices Lafayette Engine Facility | Lafayette | IN | Transportation Equipment Manufacturing336412 | 100-499 | ◐ LIKELY ACTIVE |
| SIShiloh Industries LLC Goshen | Goshen | IN | Transportation Equipment Manufacturing336370 | 100-499 | ◐ LIKELY ACTIVE |
| SSlate | Warsaw | IN | Transportation Equipment Manufacturing336110 | 20-99 | ◐ LIKELY ACTIVE |
| SRSpecialty Rim Supply | Terre Haute | IN | Transportation Equipment Manufacturing336390 | 20-99 | ◐ LIKELY ACTIVE |
| SISRAM Indianapolis | Indianapolis | IN | Transportation Equipment Manufacturing336991 | 100-499 | ◐ LIKELY ACTIVE |
| SMStandard Motor Products | Mishawaka | IN | Transportation Equipment Manufacturing336320 | 20-99 | ◐ LIKELY ACTIVE |
| SWStatewide Windows | Elkhart | IN | Transportation Equipment Manufacturing336214 | 100-499 | ◐ LIKELY ACTIVE |
| SQStratosphere Quality | Fishers | IN | Transportation Equipment Manufacturing336390 | 500+ | ◐ LIKELY ACTIVE |
| SCSwiss Caps | Patriot | IN | Transportation Equipment Manufacturing336214 | 20-99 | ◐ LIKELY ACTIVE |
| SMSzczypski, Michael | New Paris | IN | Transportation Equipment Manufacturing336412 | — | ◐ LIKELY ACTIVE |
| TCTell City Main Plant | Tell City | IN | Transportation Equipment Manufacturing336111 | 1-19 | ◐ LIKELY ACTIVE |
| TCTell City Waupaca | Tell City | IN | Transportation Equipment Manufacturing336111 | 20-99 | ◐ LIKELY ACTIVE |
| TTemple | Elkhart | IN | Transportation Equipment Manufacturing336213 | 20-99 | ◐ LIKELY ACTIVE |
| TTenneco | Elkhart | IN | Transportation Equipment Manufacturing336390 | 20-99 | ◐ LIKELY ACTIVE |
| TATenneco Automotive | Ligonier | IN | Transportation Equipment Manufacturing336390 | 20-99 | ◐ LIKELY ACTIVE |
| TCThermal Ceramics INC | Elkhart | IN | Transportation Equipment Manufacturing336413 | — | ◐ LIKELY ACTIVE |
| TSThermal Structures - Midwest Division | Plainfield | IN | Transportation Equipment Manufacturing336390 | 100-499 | ◐ LIKELY ACTIVE |
| TCThyssenkrupp Crankshaft Veedersburg Forge | Veedersburg | IN | Transportation Equipment Manufacturing336350 | 20-99 | ◐ LIKELY ACTIVE |
| TPthyssenkrupp Presta NA | Terre Haute | IN | Transportation Equipment Manufacturing336330 | 100-499 | ◐ LIKELY ACTIVE |
| TFTI Fluid System - Ossian | Ossian | IN | Transportation Equipment Manufacturing336390 | 100-499 | ◐ LIKELY ACTIVE |
| TWTOA Winchester LLC | Winchester | IN | Transportation Equipment Manufacturing336370 | 100-499 | ◐ LIKELY ACTIVE |
| TATower Automotive Operations USA I, LLC - Auburn | Auburn | IN | Transportation Equipment Manufacturing336370 | 100-499 | ◐ LIKELY ACTIVE |
| TSTriumph - Shelbyville, IN | Shelbyville | IN | Transportation Equipment Manufacturing336413 | 20-99 | ◐ LIKELY ACTIVE |
| VValeo | Seymour | IN | Transportation Equipment Manufacturing336320 | 500+ | ◐ LIKELY ACTIVE |
| VGValeo Greensburg | Greensburg | IN | Transportation Equipment Manufacturing336390 | 100-499 | ◐ LIKELY ACTIVE |
| VTValley Truck Parts, Inc. - Fort Wayne | Fort Wayne | IN | Transportation Equipment Manufacturing336350 | 1-19 | ◐ LIKELY ACTIVE |
| VUVernet US Corporation | Columbus | IN | Transportation Equipment Manufacturing336340 | — | ◐ LIKELY ACTIVE |
| VViaggio | Bristol | IN | Transportation Equipment Manufacturing336612 | 20-99 | ◐ LIKELY ACTIVE |
| WLWabash Lafayette Process Systems | Lafayette | IN | Transportation Equipment Manufacturing336212 | 20-99 | ◐ LIKELY ACTIVE |
| WWarehouse | Sellersburg | IN | Transportation Equipment Manufacturing336360 | 100-499 | ◐ LIKELY ACTIVE |
| WDWieland Designs Topeka | Topeka | IN | Transportation Equipment Manufacturing336360 | 20-99 | ◐ LIKELY ACTIVE |
| WPWoodland Park Inc | Middlebury | IN | Transportation Equipment Manufacturing336214 | 20-99 | ◐ LIKELY ACTIVE |
| WMWorkhorse Manufacturing Plant | Union City | IN | Transportation Equipment Manufacturing336111 | 20-99 | ◐ LIKELY ACTIVE |
| YOYorktown Off-Highway Drive and Motion Technologies | Yorktown | IN | Transportation Equipment Manufacturing336350 | 1-19 | ◐ LIKELY ACTIVE |
| ALAirbuoyant LLC | Anderson | IN | Transportation Equipment Manufacturing336411 | — | ◐ LIKELY ACTIVE |
| PGPrime Gov Solutions LLC | Merrillville | IN | Transportation Equipment Manufacturing336413 | — | ◐ LIKELY ACTIVE |
| EIEnconco INC. | Indianapolis | IN | Transportation Equipment Manufacturing336413 | — | ◇ UNVERIFIED |
| MCMursix Corporation | Yorktown | IN | Fabricated Metal Product Manufacturing332116 | — | ◇ UNVERIFIED |
| ASAaa Sales and Engineering | Angola | IN | Transportation Equipment Manufacturing336390 | — | ◇ UNVERIFIED |
| ACAam Castings New Castle | New Castle | IN | Transportation Equipment Manufacturing336390 | — | ◇ UNVERIFIED |
| ANAam North America - Rochester Indiana Facility | Rochester | IN | Transportation Equipment Manufacturing336399 | — | ◇ UNVERIFIED |
| AFAccra Form Composites Incorporated | Elkhart | IN | Transportation Equipment Manufacturing336214 | — | ◇ UNVERIFIED |
| ALAdient LLC | Princeton | IN | Transportation Equipment Manufacturing336360 | — | ◇ UNVERIFIED |
| AAAh Acquisition LLC | Elkhart | IN | Transportation Equipment Manufacturing336212 | — | ◇ UNVERIFIED |
| ALAirtek LLC | New Chicago | IN | Transportation Equipment Manufacturing336399 | — | ◇ UNVERIFIED |
| AUAisin USA Manufacturing Incorporated | Seymour | IN | Transportation Equipment Manufacturing336390 | — | ◇ UNVERIFIED |
| AUAisin USA Manufacturing INC Plant Ii | Seymour | IN | Transportation Equipment Manufacturing336390 | — | ◇ UNVERIFIED |
| ASAje Suspension INC. | North Vernon | IN | Transportation Equipment Manufacturing336310 | — | ◇ UNVERIFIED |
| AUAlfdex US LLC | Indianapolis | IN | Transportation Equipment Manufacturing336310 | — | ◇ UNVERIFIED |