Ati Performance Products, INC. | Baltimore | MD | Transportation Equipment Manufacturing336350 | 20-99 | ● ACTIVE |
| AAAxillon Aerospace | Baltimore | MD | Computer and Electronic Product Manufacturing334220 | 20-99 | ● ACTIVE |
Ellicott Dredges LLC | Baltimore | MD | Transportation Equipment Manufacturing336611 | 20-99 | ● ACTIVE |
The General Ship Repair Corporation | Baltimore | MD | Transportation Equipment Manufacturing336611 | — | ● ACTIVE |
D & W Clutch & Brake, INC. | Baltimore | MD | Transportation Equipment Manufacturing336390 | — | ● ACTIVE |
| MEMarcon Engineering Services INC | Baltimore | MD | Transportation Equipment Manufacturing336611 | — | ● ACTIVE |
Wingard & CO INC | Baltimore | MD | Fabricated Metal Product Manufacturing332119 | — | ● ACTIVE |
| MAMaryland Air National Guard | Baltimore | MD | Transportation Equipment Manufacturing336411 | — | ◐ LIKELY ACTIVE |
| USU S Coast Guard Yard | Baltimore | MD | Transportation Equipment Manufacturing336611 | — | ◐ LIKELY ACTIVE |
| DWD & W Rebuilders | Baltimore | MD | Transportation Equipment Manufacturing336340 | — | ◇ UNVERIFIED |
| GMGeneral Motors Truck & Bus Group | Baltimore | MD | Transportation Equipment Manufacturing336110 | — | ◇ UNVERIFIED |
| UCUnited Coatings | Baltimore | MD | Transportation Equipment Manufacturing336510 | — | ◇ UNVERIFIED |
| AAAxillon Aerospace (baltimore) INC. | Baltimore | MD | Transportation Equipment Manufacturing336413 | — | ◐ LIKELY ACTIVE |
| BMBaltimore MD - Holabird | Baltimore | MD | Transportation Equipment Manufacturing336212 | 20-99 | ◐ LIKELY ACTIVE |
| NANorth American Wave Engine Corporation | Baltimore | MD | Transportation Equipment Manufacturing336412 | — | ◐ LIKELY ACTIVE |
| SMSte Mras, LLC | Baltimore | MD | Transportation Equipment Manufacturing336413 | — | ◐ LIKELY ACTIVE |
| VTVanthal Technologies, INC. | Baltimore | MD | Transportation Equipment Manufacturing336411 | — | ◐ LIKELY ACTIVE |
| DODepartment of Homeland Security US Coast Guard | Baltimore | MD | Transportation Equipment Manufacturing336611 | — | ◇ UNVERIFIED |
| MSMra Systems, Incorporated | Baltimore | MD | Transportation Equipment Manufacturing336411 | — | ◇ UNVERIFIED |