| KKKem Krest - Carmel | Carmel | IN | Transportation Equipment Manufacturing336310 | 20-99 | ◐ LIKELY ACTIVE |
| KKendallville | Kendallville | IN | Transportation Equipment Manufacturing336330 | 100-499 | ◐ LIKELY ACTIVE |
| KRKeystone RV Company - Customer Service | Goshen | IN | Transportation Equipment Manufacturing336214 | 100-499 | ◐ LIKELY ACTIVE |
| KRKeystone RV Company - Plant 18 | Goshen | IN | Transportation Equipment Manufacturing336214 | 20-99 | ◐ LIKELY ACTIVE |
| KRKeystone RV Company - Plant 19 | Goshen | IN | Transportation Equipment Manufacturing336214 | 100-499 | ◐ LIKELY ACTIVE |
| KRKeystone RV Company - Plant 20 | Goshen | IN | Transportation Equipment Manufacturing336214 | 20-99 | ◐ LIKELY ACTIVE |
| KRKeystone RV Company - Plant 23 | Goshen | IN | Transportation Equipment Manufacturing336214 | 100-499 | ◐ LIKELY ACTIVE |
| KRKeystone RV Company - Plant 25 | Goshen | IN | Transportation Equipment Manufacturing336214 | 20-99 | ◐ LIKELY ACTIVE |
| KRKeystone RV Company - Plant 27 | Goshen | IN | Transportation Equipment Manufacturing336214 | 1-19 | ◐ LIKELY ACTIVE |
| KRKeystone RV Company - Plant 29 | Goshen | IN | Transportation Equipment Manufacturing336214 | 20-99 | ◐ LIKELY ACTIVE |
| KRKeystone RV Company - Plant 4 | Goshen | IN | Transportation Equipment Manufacturing336214 | 100-499 | ◐ LIKELY ACTIVE |
| KRKeystone RV Company - Plant 57 | Goshen | IN | Transportation Equipment Manufacturing336214 | 100-499 | ◐ LIKELY ACTIVE |
| KRKeystone RV Company - Plant 702 | Goshen | IN | Transportation Equipment Manufacturing336214 | 100-499 | ◐ LIKELY ACTIVE |
| KRKeystone RV Crossroads - Customer Service | Topeka | IN | Transportation Equipment Manufacturing336214 | 20-99 | ◐ LIKELY ACTIVE |
| KRKeystone RV Crossroads - Plant 501 | Topeka | IN | Transportation Equipment Manufacturing336214 | 100-499 | ◐ LIKELY ACTIVE |
| KRKeystone RV Crossroads - Plant 525 | Topeka | IN | Transportation Equipment Manufacturing336214 | 1-19 | ◐ LIKELY ACTIVE |
| KRKeystone RV Crossroads - Plant 530 | Topeka | IN | Transportation Equipment Manufacturing336214 | 1-19 | ◐ LIKELY ACTIVE |
| KRKeystone RV Dutchmen - Corporate | Goshen | IN | Transportation Equipment Manufacturing336214 | 20-99 | ◐ LIKELY ACTIVE |
| KRKeystone RV Dutchmen - Plant 802 | Goshen | IN | Transportation Equipment Manufacturing336214 | 20-99 | ◐ LIKELY ACTIVE |
| KRKeystone RV Dutchmen - Plant 810 | Goshen | IN | Transportation Equipment Manufacturing336214 | 100-499 | ◐ LIKELY ACTIVE |
| KRKeystone RV Dutchmen - Plant 815 | Middlebury | IN | Transportation Equipment Manufacturing336214 | 100-499 | ◐ LIKELY ACTIVE |
| KRKeystone RV Dutchmen - Plant 825 | Goshen | IN | Transportation Equipment Manufacturing336214 | 1-19 | ◐ LIKELY ACTIVE |
| KRKeystone RV Dutchmen - Plant 830 | Goshen | IN | Transportation Equipment Manufacturing336214 | 20-99 | ◐ LIKELY ACTIVE |
| KCKingdom Camping LLC | Middlebury | IN | Transportation Equipment Manufacturing336214 | — | ◐ LIKELY ACTIVE |
| KTKnapheide Truck Equipment Center | Jeffersonville | IN | Transportation Equipment Manufacturing336211 | 20-99 | ◐ LIKELY ACTIVE |
| KCKokomo Components | Kokomo | IN | Transportation Equipment Manufacturing336320 | 100-499 | ◐ LIKELY ACTIVE |
| KEKokomo Engine Plant | Kokomo | IN | Transportation Equipment Manufacturing336310 | 500+ | ◐ LIKELY ACTIVE |
| KAKYB Americas Corporation (Headquarters) | Greenwood | IN | Transportation Equipment Manufacturing336330 | 100-499 | ◐ LIKELY ACTIVE |
| LTLakota Trailers | Britol | IN | Transportation Equipment Manufacturing336214 | 100-499 | ◐ LIKELY ACTIVE |
| L1Lci - 173 | Goshen | IN | Transportation Equipment Manufacturing336390 | 20-99 | ◐ LIKELY ACTIVE |
| LCLear Corporation - Columbia City | Columbia City | IN | Transportation Equipment Manufacturing336360 | 500+ | ◐ LIKELY ACTIVE |
| LCLear Corporation - Plymouth | Plymouth | IN | Transportation Equipment Manufacturing336320 | 20-99 | ◐ LIKELY ACTIVE |
| LILebanon, IN | Lebanon | IN | Transportation Equipment Manufacturing336330 | 100-499 | ◐ LIKELY ACTIVE |
| LMLeer Midwest | Elkhart | IN | Transportation Equipment Manufacturing336390 | 100-499 | ◐ LIKELY ACTIVE |
| LDLugoff - Dana Incorporated | Lugoff | IN | Transportation Equipment Manufacturing336350 | 20-99 | ◐ LIKELY ACTIVE |
| MPMagna Powertrain | Muncie | IN | Transportation Equipment Manufacturing336350 | 100-499 | ◐ LIKELY ACTIVE |
| MFMahoney Foundries DBA Ward Corporation | Fort Wayne | IN | Transportation Equipment Manufacturing336212 | 100-499 | ◐ LIKELY ACTIVE |
| MManufacturing | Franklin | IN | Transportation Equipment Manufacturing336310 | 20-99 | ◐ LIKELY ACTIVE |
| MHMayco Hartford City | Hartford City | IN | Transportation Equipment Manufacturing336390 | 20-99 | ◐ LIKELY ACTIVE |
| MMMetaldyne M & A Bluffton LLC | Bluffton | IN | Transportation Equipment Manufacturing336350 | 100-499 | ◐ LIKELY ACTIVE |
| MTMississippi Tank Company | Vincennes | IN | Transportation Equipment Manufacturing336112 | 20-99 | ◐ LIKELY ACTIVE |
| MOMorgan Olson Plant 6 | Howe | IN | Transportation Equipment Manufacturing336211 | 1-19 | ◐ LIKELY ACTIVE |
| MOMorgan Olson R&D | Wolcottville | IN | Transportation Equipment Manufacturing336211 | 1-19 | ◐ LIKELY ACTIVE |
| MCMORryde - Cooper | Elkhart | IN | Transportation Equipment Manufacturing336390 | 100-499 | ◐ LIKELY ACTIVE |
| MSMORryde - Stainless | Elkhart | IN | Transportation Equipment Manufacturing336390 | 100-499 | ◐ LIKELY ACTIVE |
| MSMORryde - Sterling | Elkhart | IN | Transportation Equipment Manufacturing336390 | 100-499 | ◐ LIKELY ACTIVE |
| MTMo Trailer Corporation | Bristol | IN | Transportation Equipment Manufacturing336212 | — | ◐ LIKELY ACTIVE |
| MVMount Vernon Land | Mount Vernon | IN | Transportation Equipment Manufacturing336611 | 20-99 | ◐ LIKELY ACTIVE |
| NCNEW-IN Corporate | Columbus | IN | Transportation Equipment Manufacturing336350 | 20-99 | ◐ LIKELY ACTIVE |
| NLNovae LLC | Markle | IN | Transportation Equipment Manufacturing336212 | 100-499 | ◐ LIKELY ACTIVE |