| RGR Getty Browning Associates | Davidsonville | MD | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| RURoxul USA INC. | Elkridge | MD | Fabricated Metal Product Manufacturing332311 | — | ◇ UNVERIFIED |
| RFR&R Fabrication Enterprises, LLC | Prince Frederick | MD | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| RERt Engineering, INC. | Eldersburg | MD | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| RSRussell-stanley Services | Dundalk | MD | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| SLSafelineFP, LLC | Stevensville | MD | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| SPSecurity Plating CO INC | Baltimore | MD | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| SHSeiler Hughes | Baltimore City | MD | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| SWSonco Worldwide INC | Bladensburg | MD | Fabricated Metal Product Manufacturing332618 | — | ◇ UNVERIFIED |
| SCStevenson & CO | Baltimore | MD | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| SISumatech, INC. | White Marsh | MD | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
 Super Sky Products Enterprises, LLC | Timonium | MD | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| SISystems in Advanced Mechanical | Crofton | MD | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| TITech-skill, INC. | Gaithersburg | MD | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| TDThe Donald H. Shaw Welding & Iron Works, INC. | Annapolis | MD | Fabricated Metal Product Manufacturing332323 | — | ◇ UNVERIFIED |
| TRThe Rack Boss INC | Glen Burnie | MD | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| USUav Solutions, INC. | Jessup | MD | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| USUltimate Steel & Fabrication LLC | Mechanicsville | MD | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| VVsl | Hanover | MD | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| WWWave - Worthington Armstrong Venture | Belcamp | MD | Fabricated Metal Product Manufacturing332323 | — | ◇ UNVERIFIED |
| ZTZebra Test Facility | Hyattsville | MD | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
