Bbg Aerosystems INC | Laytonsville | MD | Transportation Equipment Manufacturing336411 | — | ◐ LIKELY ACTIVE |
| ATAppalachian Tank Car Services, INC. | Elk Mills | MD | Transportation Equipment Manufacturing336510 | — | ◐ LIKELY ACTIVE |
| BSBwi Sparrows Point LLC | Sparrows Point | MD | Transportation Equipment Manufacturing336611 | — | ◐ LIKELY ACTIVE |
| GLGlenn L Martin State Airport | Middle River | MD | Transportation Equipment Manufacturing336411 | — | ◐ LIKELY ACTIVE |
| HRHitachi Rail Sts Usa, INC. | Hagerstown | MD | Transportation Equipment Manufacturing336510 | 20-99 | ◐ LIKELY ACTIVE |
| MAMaryland Air National Guard | Baltimore | MD | Transportation Equipment Manufacturing336411 | — | ◐ LIKELY ACTIVE |
| MRMiddle River Aerostructure Systems | Middle River | MD | Transportation Equipment Manufacturing336413 | — | ◐ LIKELY ACTIVE |
| NGNorthrop Grumman Corporation | Hanover | MD | Transportation Equipment Manufacturing336419 | — | ◐ LIKELY ACTIVE |
| TGThe Gill Corporation - Maryland | Edgewood | MD | Primary Metal Manufacturing331316 | — | ◐ LIKELY ACTIVE |
| GMGsa Middle River Depot | Middle River | MD | Transportation Equipment Manufacturing336413 | — | ◐ LIKELY ACTIVE |
| USU S Coast Guard Yard | Baltimore | MD | Transportation Equipment Manufacturing336611 | — | ◐ LIKELY ACTIVE |
| ARAll Roads Kenworth LLC | Dundalk | MD | Transportation Equipment Manufacturing336120 | — | ◐ LIKELY ACTIVE |
| AAArnold Aviation Dynamics LLC | Frederick | MD | Transportation Equipment Manufacturing336412 | — | ◐ LIKELY ACTIVE |
| BMBaltimore MD - Holabird | Baltimore | MD | Transportation Equipment Manufacturing336212 | 20-99 | ◐ LIKELY ACTIVE |
| BBBavdc Baltimore, Vdc | Sparrows Point | MD | Transportation Equipment Manufacturing336111 | 20-99 | ◐ LIKELY ACTIVE |
| BTBell Textron INC. | Lexington Park | MD | Transportation Equipment Manufacturing336411 | — | ◐ LIKELY ACTIVE |
| CEColonial Equipment Company | Monrovia | MD | Transportation Equipment Manufacturing336211 | — | ◐ LIKELY ACTIVE |
| 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 |
| 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 |
| NINaval Integrations, LLC | Millersville | MD | Transportation Equipment Manufacturing336611 | — | ◐ 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. | 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 |