| DUDECKED Utah | Saint George | UT | Transportation Equipment Manufacturing336390 | 20-99 | ◐ LIKELY ACTIVE |
| DKDecoursey KY Relay Material | Covington | KY | Transportation Equipment Manufacturing336510 | 20-99 | ◐ LIKELY ACTIVE |
| D2DEF - 20th Avenue | Oshkosh | WI | Transportation Equipment Manufacturing336120 | 20-99 | ◐ LIKELY ACTIVE |
| DDDEF - Defense Program Center | Oshkosh | WI | Transportation Equipment Manufacturing336120 | 20-99 | ◐ LIKELY ACTIVE |
| DADefense and Systems Newark DE | Newark | DE | Transportation Equipment Manufacturing336413 | 20-99 | ◐ LIKELY ACTIVE |
| DODEF - Oakwood Facility | Oshkosh | WI | Transportation Equipment Manufacturing336120 | 20-99 | ◐ LIKELY ACTIVE |
| DTDEF - Test and Development | Oshkosh | WI | Transportation Equipment Manufacturing336120 | 20-99 | ◐ LIKELY ACTIVE |
| DEDelphinus Engineering Division 6 | San Diego | CA | Transportation Equipment Manufacturing336611 | 20-99 | ◐ LIKELY ACTIVE |
| DIDemmer Investments I, dba Intrex Aerospace | Thornton | CO | Transportation Equipment Manufacturing336413 | 20-99 | ◐ LIKELY ACTIVE |
| DMDENSO Manufacturing North Carolina, Inc.- Texas Plant | Ennis | TX | Transportation Equipment Manufacturing336390 | 20-99 | ◐ LIKELY ACTIVE |
| DHDenver Hub | Denver | CO | Transportation Equipment Manufacturing336212 | 20-99 | ◐ LIKELY ACTIVE |
| DYDeprocessing Yard | Fort Hood | TX | Transportation Equipment Manufacturing336992 | 20-99 | ◐ LIKELY ACTIVE |
| DMDes Moines Adesa | Grimes | IA | Transportation Equipment Manufacturing336212 | 20-99 | ◐ LIKELY ACTIVE |
| DVDetroit VM | Novi | MI | Transportation Equipment Manufacturing336212 | 20-99 | ◐ LIKELY ACTIVE |
| DWDexstar Wheel | Elkhart | IN | Transportation Equipment Manufacturing336999 | 20-99 | ◐ LIKELY ACTIVE |
| DRDiamond Racing LLC | Clinton Township | MI | Transportation Equipment Manufacturing336310 | 20-99 | ◐ LIKELY ACTIVE |
| DGDL George and Sons Transportation | Waynesboro | PA | Transportation Equipment Manufacturing336211 | 20-99 | ◐ LIKELY ACTIVE |
| DCDomaine Corporation | Oxford | MI | Transportation Equipment Manufacturing336370 | 20-99 | ◐ LIKELY ACTIVE |
| DEDonovan Equipment Co Inc | Londonderry | NH | Transportation Equipment Manufacturing336211 | 20-99 | ◐ LIKELY ACTIVE |
| DPDort Plants | Grand Blanc | MI | Transportation Equipment Manufacturing336111 | 20-99 | ◐ LIKELY ACTIVE |
| DHDouglas Holdings dba Sidump'r | Columbus | NE | Transportation Equipment Manufacturing336212 | 20-99 | ◐ LIKELY ACTIVE |
| DDouglasville | Douglasville | GA | Transportation Equipment Manufacturing336120 | 20-99 | ◐ LIKELY ACTIVE |
| DSDove Stamping, LLC | Cleveland | OH | Transportation Equipment Manufacturing336370 | 20-99 | ◐ LIKELY ACTIVE |
| DSDowty Sterling VA | Sterling | VA | Transportation Equipment Manufacturing336413 | 20-99 | ◐ LIKELY ACTIVE |
| DPDragon Products CenTex | Center | TX | Transportation Equipment Manufacturing336212 | 20-99 | ◐ LIKELY ACTIVE |
| DPDragon Products Lamar | Lamar | CO | Transportation Equipment Manufacturing336212 | 20-99 | ◐ LIKELY ACTIVE |
| DPDragon Products Lathrop | Lathrop | CA | Transportation Equipment Manufacturing336212 | 20-99 | ◐ LIKELY ACTIVE |
| DADRT Aerospace- Winsted | Winsted | CT | Transportation Equipment Manufacturing336412 | 20-99 | ◐ LIKELY ACTIVE |
| DSDT Swiss, Inc. | Grand Junction | CO | Transportation Equipment Manufacturing336991 | 20-99 | ◐ LIKELY ACTIVE |
| DODucommun Orange | Orange | CA | Transportation Equipment Manufacturing336413 | 20-99 | ◐ LIKELY ACTIVE |
| DMDuffield Marine, Inc. | Adelanto | CA | Transportation Equipment Manufacturing336612 | 20-99 | ◐ LIKELY ACTIVE |
| DPDulles (Industrial Park) | Dulles | VA | Transportation Equipment Manufacturing336212 | 20-99 | ◐ LIKELY ACTIVE |
| DUDuravit USA Inc | Duluth | GA | Transportation Equipment Manufacturing336212 | 20-99 | ◐ LIKELY ACTIVE |
| DLDutton Location | Dutton | MI | Transportation Equipment Manufacturing336211 | 20-99 | ◐ LIKELY ACTIVE |
| DMDynamic Manufacturing, Inc. | Melrose Park | IL | Transportation Equipment Manufacturing336350 | 20-99 | ◐ LIKELY ACTIVE |
| DMDynaTen Maintenance Services | Amarillo | TX | Transportation Equipment Manufacturing336411 | 20-99 | ◐ LIKELY ACTIVE |
| EAEagle Assembly | Fraser | MI | Transportation Equipment Manufacturing336370 | 20-99 | ◐ LIKELY ACTIVE |
| EeCube | Coolidge | AZ | Transportation Equipment Manufacturing336413 | 20-99 | ◐ LIKELY ACTIVE |
| EGEdelbrock Group | Sanford | NC | Transportation Equipment Manufacturing336310 | 20-99 | ◐ LIKELY ACTIVE |
| EME&E Manufacturing of Tennessee, LLC Plant 2 | Decatur | TN | Transportation Equipment Manufacturing336370 | 20-99 | ◐ LIKELY ACTIVE |
| EPElevation Park Model Company LLC | Elkhart | IN | Transportation Equipment Manufacturing336214 | 20-99 | ◐ LIKELY ACTIVE |
| EIElmhirst Industries | Sterling Heights | MI | Transportation Equipment Manufacturing336370 | 20-99 | ◐ LIKELY ACTIVE |
| EPEl Paso TX - Northwestern Log Hub | El Paso | TX | Transportation Equipment Manufacturing336212 | 20-99 | ◐ LIKELY ACTIVE |
| EREmber Recreational Vehicles, Inc | Bristol | IN | Transportation Equipment Manufacturing336214 | 20-99 | ◐ LIKELY ACTIVE |
| EMEMD Marshalltown | Marshalltown | IA | Transportation Equipment Manufacturing336510 | 20-99 | ◐ LIKELY ACTIVE |
| EEmmetsburg | Emmetsburg | IA | Transportation Equipment Manufacturing336210 | 20-99 | ◐ LIKELY ACTIVE |
| EMEmotiv Mobility - Fairfax | Kansas City | KS | Transportation Equipment Manufacturing336330 | 20-99 | ◐ LIKELY ACTIVE |
| ESEmpirical Systems Aerospace, Inc (Empleo) | San Luis Obispo | CA | Transportation Equipment Manufacturing336411 | 20-99 | ◐ LIKELY ACTIVE |
| EREmporium Reman | Emporium | PA | Transportation Equipment Manufacturing336510 | 20-99 | ◐ LIKELY ACTIVE |
| EAEnjet Aero - AMG | Sullivan | MO | Transportation Equipment Manufacturing336412 | 20-99 | ◐ LIKELY ACTIVE |