| DGDC - Gaithersburg VM | Gaithersburg | MD | Transportation Equipment Manufacturing336212 | 20-99 | ◐ LIKELY ACTIVE |
| DADronexus Aero LLC | Hagerstown | MD | Transportation Equipment Manufacturing336411 | — | ◐ LIKELY ACTIVE |
| EIEquinox Innovative Systems INC | Columbia | MD | Transportation Equipment Manufacturing336411 | — | ◐ LIKELY ACTIVE |
| FAFulcrum Autonomy Laytonsville | Gaithersburg | MD | Transportation Equipment Manufacturing336411 | 1-19 | ◐ LIKELY ACTIVE |
| HVHunt Valley | Hunt Valley | MD | Transportation Equipment Manufacturing336411 | 500+ | ◐ LIKELY ACTIVE |
| JBJoint Base Andrews, MD (MD001) | Andrews AFB | MD | Transportation Equipment Manufacturing336411 | 20-99 | ◐ LIKELY ACTIVE |
| JWJ. Willis Smith and Brother, INC. | Curtis Bay | MD | Transportation Equipment Manufacturing336611 | — | ◐ LIKELY ACTIVE |
| KRKawasaki Rail Car Inc - Greenbelt | College Park | MD | Transportation Equipment Manufacturing336510 | 100-499 | ◐ LIKELY ACTIVE |
| KEKingzy Enterprises LLC | Bowie | MD | Transportation Equipment Manufacturing336310 | — | ◐ LIKELY ACTIVE |
| LTL3Harris Technologies, Integrated Systems L.P. (Andrews AFB) | Andrews AFB | MD | Transportation Equipment Manufacturing336411 | 20-99 | ◐ LIKELY ACTIVE |
| LELaake Enterprises INC | Elkridge | MD | Transportation Equipment Manufacturing336120 | — | ◐ LIKELY ACTIVE |
| LMLockheed Martin Corporation Lexington Park Site (1379) | Lexington Park | MD | Transportation Equipment Manufacturing336413 | 1-19 | ◐ LIKELY ACTIVE |
| MMMadison Marine Construction and Recovery, LLC | Madison | MD | Transportation Equipment Manufacturing336612 | — | ◐ LIKELY ACTIVE |
| MPMarine Properties, LLC | Bel Air | MD | Transportation Equipment Manufacturing336612 | — | ◐ LIKELY ACTIVE |
| MCMem Corporation | White Plains | MD | Transportation Equipment Manufacturing336992 | — | ◐ LIKELY ACTIVE |
| MIMistral INC | Bethesda | MD | Transportation Equipment Manufacturing336419 | — | ◐ LIKELY ACTIVE |
| MSMonarch Strategies LLC | Davidsonville | MD | Transportation Equipment Manufacturing336414 | — | ◐ LIKELY ACTIVE |
| MWMsd Westminster | Westminster | MD | Transportation Equipment Manufacturing336413 | 20-99 | ◐ LIKELY ACTIVE |
| NANaval Air Station - Patuxent River Pratt & Whitney F-135 Engine Shop | Patuxent River | MD | Transportation Equipment Manufacturing336412 | 20-99 | ◐ LIKELY ACTIVE |
| NNgas-a295 | Patuxent River | MD | Transportation Equipment Manufacturing336413 | 100-499 | ◐ LIKELY ACTIVE |
| NNgds-b875 | Middle River | MD | Transportation Equipment Manufacturing336411 | 20-99 | ◐ LIKELY ACTIVE |
| NNgds-md50 | Elkton | MD | Transportation Equipment Manufacturing336415 | 500+ | ◐ LIKELY ACTIVE |
| NNgsp-md37 | Beltsville | MD | Transportation Equipment Manufacturing336419 | 100-499 | ◐ LIKELY ACTIVE |
| NNgsp-r051 | Lanham | MD | Transportation Equipment Manufacturing336411 | 20-99 | ◐ LIKELY ACTIVE |
| NANorth American Wave Engine Corporation | Baltimore | MD | Transportation Equipment Manufacturing336412 | — | ◐ LIKELY ACTIVE |
| OIOcean Intelligence LLC | Potomac | MD | Transportation Equipment Manufacturing336612 | — | ◐ LIKELY ACTIVE |
| RMRichardsons Marine Repair, INC. | St Michaels | MD | Transportation Equipment Manufacturing336612 | — | ◐ LIKELY ACTIVE |
| RMRichardsons Marine Repair, INC. | Saint Michaels | MD | Transportation Equipment Manufacturing336612 | — | ◐ LIKELY ACTIVE |
| SISolomon's Island | Patuxent River | MD | Transportation Equipment Manufacturing336413 | 100-499 | ◐ LIKELY ACTIVE |
| SWSomerset Welding and Steel Company, Inc. - Cumberland | Cumberland | MD | Transportation Equipment Manufacturing336211 | 1-19 | ◐ LIKELY ACTIVE |
| SSSpace Structures Complex | Middle River | MD | Transportation Equipment Manufacturing336412 | 20-99 | ◐ LIKELY ACTIVE |
| SMSte Mras, LLC | Baltimore | MD | Transportation Equipment Manufacturing336413 | — | ◐ LIKELY ACTIVE |
| TGThe Gill Corporation | Edgewood | MD | Transportation Equipment Manufacturing336413 | 100-499 | ◐ LIKELY ACTIVE |
| USUav Solutions, INC. | Sykesville | MD | Transportation Equipment Manufacturing336411 | — | ◐ LIKELY ACTIVE |
| UMUnited Metropolitan Business Management L.l.c | Brandywine | MD | Transportation Equipment Manufacturing336999 | — | ◐ LIKELY ACTIVE |
| VTVanthal Technologies, INC. | Baltimore | MD | Transportation Equipment Manufacturing336411 | — | ◐ LIKELY ACTIVE |
| VGVolvo Group Trucks Operations - Hagerstown, Maryland | Hagerstown | MD | Transportation Equipment Manufacturing336350 | 500+ | ◐ LIKELY ACTIVE |
| VHVu Holdings, LLC | Hollywood | MD | Transportation Equipment Manufacturing336411 | — | ◐ LIKELY ACTIVE |
| YLYera-tech, L.l.c | Rockville | MD | Transportation Equipment Manufacturing336411 | — | ◐ LIKELY ACTIVE |
| ACAai - Club House Road | Hunt Valley | MD | Transportation Equipment Manufacturing336211 | — | ◇ UNVERIFIED |
| ADAirboss Defense Group | Jessup | MD | Transportation Equipment Manufacturing336411 | — | ◇ UNVERIFIED |
| BPB/a Products CO. | Columbia | MD | Transportation Equipment Manufacturing336999 | — | ◇ UNVERIFIED |
| BDBelicose Dynamics LLC | Upper Marlboro | MD | Transportation Equipment Manufacturing336211 | — | ◇ UNVERIFIED |
| CLClarks Landing Boat & Yacht Service | Shady Side | MD | Transportation Equipment Manufacturing336611 | — | ◇ UNVERIFIED |
| DODepartment of Homeland Security US Coast Guard | Baltimore | MD | Transportation Equipment Manufacturing336611 | — | ◇ UNVERIFIED |
| FKFull Keel Marine Services, LLC | Annapolis | MD | Transportation Equipment Manufacturing336612 | — | ◇ UNVERIFIED |
| GIGibson Island Club Incorporated | Gibson Island | MD | Transportation Equipment Manufacturing336611 | — | ◇ UNVERIFIED |
| JTJ.f. Taylor, INC | Lexington Park | MD | Transportation Equipment Manufacturing336413 | — | ◇ UNVERIFIED |
| JTJf Taylor Inc, (fif Building) | Lexington Park | MD | Transportation Equipment Manufacturing336413 | — | ◇ UNVERIFIED |
| MIMarada Industries INC | Westminster | MD | Transportation Equipment Manufacturing336370 | — | ◇ UNVERIFIED |