| BPBraswell Precision INC | Glen Burnie | — | ● ACTIVE |
Stanley Engineering Company, LLC | Glen Burnie | — | ● ACTIVE |
Allogram, INC. | Odenton | — | ● ACTIVE |
| IFInstitute for Innovation Preservation, LLC | Annapolis | — | ● ACTIVE |
Intercity Designs, LLC | Riva | — | ● ACTIVE |
| JEJtj Engineering, INC. | Severna Park | — | ● ACTIVE |
| MSMulti-parts & Services, INC. | Brooklyn | — | ● ACTIVE |
Plummer Industries, LLC | Pasadena | — | ● ACTIVE |
Project Shokunin LLC | Pasadena | — | ● ACTIVE |
Rps Fab LLC | Linthicum Heights | — | ● ACTIVE |
| SAShamrock Awards & Engraving LLC | Glen Burnie | — | ● ACTIVE |
| ASAmple Sheet Metal, INC. | Hanover | — | ◐ LIKELY ACTIVE |
| CTCommand Technology, INC | Baltimore | — | ◐ LIKELY ACTIVE |
| HAHanover Armory, LLC | Hanover | — | ◐ LIKELY ACTIVE |
| FDFabrication Designs, INC. | Hanover | — | ▲ REPORTED CLOSED |
| KAKeystone Automotive Plating CORP | Linthicum | — | ◇ UNVERIFIED |
| NWNiermann Weeks Company, INC | Millersville | — | ◇ UNVERIFIED |
| NINovatec INC | Brooklyn | — | ◇ UNVERIFIED |
| BPBraswell Precision INC. | Glen Burnie | — | ◐ LIKELY ACTIVE |
| CCCiena CORP | Hanover | — | ◐ LIKELY ACTIVE |
| CGCiena Government Solutions INC | Hanover | — | ◐ LIKELY ACTIVE |
| EPEagle Precision INC | Odenton | — | ▲ REPORTED CLOSED |
| RCR.l. Collinson, INC | Crofton | — | ◐ LIKELY ACTIVE |
| RWRoyal Worldwide LLC | Odenton | — | ◐ LIKELY ACTIVE |
| SEStanley engineering co | Glenn Burnie | 20–99 | ◐ LIKELY ACTIVE |
| VFValmet Flow Control Inc - Linthicum | Linthicum | 1–19 | ◐ LIKELY ACTIVE |
| VPVerb Precision, LLC | Severn | — | ◐ LIKELY ACTIVE |
| ACAam Competition, LLC | Odenton | — | ◇ UNVERIFIED |
| ACAdscom Corporation | Glen Burnie | — | ◇ UNVERIFIED |
| ASAtlantic Spars and Rigging INC | Annapolis | — | ◇ UNVERIFIED |
| BABrass Artcrafts Company | Annapolis | — | ◇ UNVERIFIED |
| CHCherry Hill Fabrication | Curtis Bay | — | ◇ UNVERIFIED |
| ESEfs Structures | Linthicum | — | ◇ UNVERIFIED |
| FIFlowrox, INC. | Linthicum | — | ◇ UNVERIFIED |
| GMGischel Machine CO INC | Curtis Bay | — | ◇ UNVERIFIED |
| KCKawneer Company INC. | Hanover | — | ◇ UNVERIFIED |
| MDM & D Machine Company | Linthicum | — | ◇ UNVERIFIED |
| RGR Getty Browning Associates | Davidsonville | — | ◇ UNVERIFIED |
| SISystems in Advanced Mechanical | Crofton | — | ◇ UNVERIFIED |
| TDThe Donald H. Shaw Welding & Iron Works, INC. | Annapolis | — | ◇ UNVERIFIED |
| TRThe Rack Boss INC | Glen Burnie | — | ◇ UNVERIFIED |
| VVsl | Hanover | — | ◇ UNVERIFIED |