| RMR & M Manufacturing | Taneytown | MD | Fabricated Metal Product Manufacturing332322 | 1-19 | ◇ UNVERIFIED |
Kaydon Ring & Seal INC | Baltimore | MD | Fabricated Metal Product Manufacturing332991 | — | ◇ UNVERIFIED |
| MPMetro Plating and Polishing Group INC. | Kensington | MD | Fabricated Metal Product Manufacturing332813 | 1-19 | ◇ UNVERIFIED |
| TFTechnical Finishes | Glen Burnie | MD | Fabricated Metal Product Manufacturing332812 | 1-19 | ◇ UNVERIFIED |
| ADAbbey Drum CO | Baltimore | MD | Fabricated Metal Product Manufacturing332911 | — | ◇ UNVERIFIED |
| APAce Plating LLC | Joppa | MD | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| APAlmag Plating CORP. | Baltimore | MD | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| APAmerican Plating Service INC | Baltimore | MD | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| CIChc Industries Cleaners Hanger Company | Baltimore | MD | Fabricated Metal Product Manufacturing332618 | — | ◇ UNVERIFIED |
| CAClark Automatic | Rosedale | MD | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| CCCrown Cork & Seal | Fruitland | MD | Fabricated Metal Product Manufacturing332431 | — | ◇ UNVERIFIED |
| CFCrown Food Packaging, USA | Baltimore | MD | Fabricated Metal Product Manufacturing332431 | — | ◇ UNVERIFIED |
| DCDuvinge Corporation | Hagerstown | MD | Fabricated Metal Product Manufacturing332323 | — | ◇ UNVERIFIED |
Eastern Plating CO. | Baltimore | MD | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| FDFabrication Designs, INC. | Hyattsville | MD | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| FWFellowes Worcester Division | Belcamp | MD | Fabricated Metal Product Manufacturing332618 | — | ◇ UNVERIFIED |
| HSHd Supply Construction Supply LTD | Hyattsville | MD | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| KAKeystone Automotive Plating CORP | Linthicum | MD | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| NGNorthrop Grumman Systems Corporation | Beltsville | MD | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| PPace | Annapolis Junction | MD | Fabricated Metal Product Manufacturing332212 | — | ◇ UNVERIFIED |
| PIPier-sol, INC. | Baltimore | MD | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| RURegina USA INC | Cambridge | MD | Fabricated Metal Product Manufacturing332618 | — | ◇ UNVERIFIED |
| STSurface Treatment Technologies | Halethorpe | MD | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| TMTalley Metal Products | Hagerstown | MD | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| TFTechnical Finishers | Rosedale | MD | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| TMThomas Manufacturing Corporation | Parkton | MD | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| WJWarring, James T Sons INC | Cheverly | MD | Fabricated Metal Product Manufacturing332439 | — | ◇ UNVERIFIED |
| WAWashington Aluminum | Baltimore | MD | Fabricated Metal Product Manufacturing332323 | — | ◇ UNVERIFIED |
| WIWestern Industrial Machine | Westminster | MD | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| ACAam Competition, LLC | Odenton | MD | Fabricated Metal Product Manufacturing332999 | 1-19 | ◇ UNVERIFIED |
| ADAmerican Direct Imaging INC | Baltimore | MD | Fabricated Metal Product Manufacturing332999 | 100-499 | ◇ UNVERIFIED |
| AMAntietam Metals, LLC | Williamsport | MD | Fabricated Metal Product Manufacturing332312 | 1-19 | ◇ UNVERIFIED |
| AMArco Metals, INC | Baltimore | MD | Fabricated Metal Product Manufacturing332322 | 1-19 | ◇ UNVERIFIED |
| BSBA Steel LLC | Baltimore | MD | Fabricated Metal Product Manufacturing332312 | 1-19 | ◇ UNVERIFIED |
| CAColumbia Architectural Products | Beltsville | MD | Fabricated Metal Product Manufacturing332323 | 1-19 | ◇ UNVERIFIED |
| CSCustom Sheet Metal, INC. | Gaithersburg | MD | Fabricated Metal Product Manufacturing332322 | 1-19 | ◇ UNVERIFIED |
Experimental Machine, INC. | Hunt Valley | MD | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| FMFingles Metalworks, INC | Baltimore | MD | Fabricated Metal Product Manufacturing332322 | 20-99 | ◇ UNVERIFIED |
| GMGeneral Machine Shop, INC. | Landover | MD | Fabricated Metal Product Manufacturing332710 | 20-99 | ◇ UNVERIFIED |
| LWLees Welding & Fabrication | Owings Mills | MD | Fabricated Metal Product Manufacturing332323 | 1-19 | ◇ UNVERIFIED |
| MAMaritime Applied Physics Corporation | Baltimore highlands | MD | Fabricated Metal Product Manufacturing332721 | — | ◇ UNVERIFIED |
| MZMarquise Zinc Plus, LLC | Dundalk | MD | Fabricated Metal Product Manufacturing332813 | 1-19 | ◇ UNVERIFIED |
| QMQuality Machining, INC. | Accident | MD | Fabricated Metal Product Manufacturing332710 | 1-19 | ◇ UNVERIFIED |
| RFR & F Metals INC | Clinton | MD | Fabricated Metal Product Manufacturing332323 | 100-499 | ◇ UNVERIFIED |
| RFR&r Fabrication, INC. | Prince Frederick | MD | Fabricated Metal Product Manufacturing332323 | 20-99 | ◇ UNVERIFIED |
| TGThe G-s Company | Baltimore | MD | Fabricated Metal Product Manufacturing332323 | 1-19 | ◇ UNVERIFIED |
| TLThe Link Company | Baltimore | MD | Fabricated Metal Product Manufacturing332710 | 1-19 | ◇ UNVERIFIED |
| TPTrenton Pipe Nipple Company, LLC | Federalsburg | MD | Fabricated Metal Product Manufacturing332996 | 20-99 | ◇ UNVERIFIED |
| TMTsi/architectural Metals, INC. | Upper Marlboro | MD | Fabricated Metal Product Manufacturing332312 | 100-499 | ◇ UNVERIFIED |
| UMUff Machine Company | Kennedyville | MD | Fabricated Metal Product Manufacturing332710 | 1-19 | ◇ UNVERIFIED |