| MRMetal Raps | Rockville | MD | Fabricated Metal Product Manufacturing332322 | — | ◐ LIKELY ACTIVE |
| MIMillennium Inorganic Chemicals St Helena Plant | Baltimore | MD | Chemical Manufacturing325188 | — | ◐ LIKELY ACTIVE |
| MMM & M Carnot | Federalsburg | MD | Machinery Manufacturing333415 | — | ◐ LIKELY ACTIVE |
| MSMra Systems, Incorporated | Baltimore | MD | Transportation Equipment Manufacturing336411 | 500+ | ◐ LIKELY ACTIVE |
| NNNew Ngc INC (dba National Gypsum Co) | Belcamp | MD | Chemical Manufacturing325520 | — | ◐ LIKELY ACTIVE |
| NGNorthrop Grumman Systems Corporation - Troy Hill 1 | Elkridge | MD | Computer and Electronic Product Manufacturing334511 | — | ◐ LIKELY ACTIVE |
| OAOldcastle Apg Mid-atlantic Crofton, Md | Odenton | MD | Nonmetallic Mineral Product Manufacturing327331 | — | ◐ LIKELY ACTIVE |
On Demand Pharmaceuticals, INC. | Rockville | MD | Chemical Manufacturing325412 | — | ◐ LIKELY ACTIVE |
| OBOrigin Baltimore Terminal LLC | Baltimore | MD | Chemical Manufacturing325000 | — | ◐ LIKELY ACTIVE |
| PPPermanent Printing Solutions, LLC | Forest Hill | MD | Miscellaneous Manufacturing339950 | 20-99 | ◐ LIKELY ACTIVE |
| PAPlatform Aerospace Hollywood | Hollywood | MD | Fabricated Metal Product Manufacturing332999 | 20-99 | ◐ LIKELY ACTIVE |
| PIPowrmatic INC | Finksburg | MD | Machinery Manufacturing333414 | 20-99 | ◐ LIKELY ACTIVE |
| PTPressure Technology Incorporated | Hanover | MD | Plastics and Rubber Products Manufacturing326122 | 1-19 | ◐ LIKELY ACTIVE |
| PGPrince Georges Contractors | Clinton | MD | Petroleum and Coal Products Manufacturing324121 | — | ◐ LIKELY ACTIVE |
| ROReconserve of Md Dba Dext Company | Curtis Bay | MD | Food Manufacturing311119 | — | ◐ LIKELY ACTIVE |
| RMRecovermat Mid-atlantic, LLC | Baltimore | MD | Nonmetallic Mineral Product Manufacturing327992 | — | ◐ LIKELY ACTIVE |
| RBRedland Brick | Williamsport | MD | Nonmetallic Mineral Product Manufacturing327120 | — | ◐ LIKELY ACTIVE |
| RMReeb Millwork Barclay Finish | Barclay | MD | Wood Product Manufacturing321911 | — | ◐ LIKELY ACTIVE |
| RGRemed - General Electric Site | Columbia | MD | Electrical Equipment, Appliance & Component Manufacturing335221 | — | ◐ LIKELY ACTIVE |
| RSRg Steel Sparrows Point LLC | Sparrows Point | MD | Primary Metal Manufacturing331111 | — | ◐ LIKELY ACTIVE |
| RFRichard F. Kline, INC | Frederick | MD | Petroleum and Coal Products Manufacturing324121 | — | ◐ LIKELY ACTIVE |
| RMRinker Materials Hydro Conduit- Frederick | Frederick | MD | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| RTRock Tops Fabrication INC | Owings Mills | MD | Nonmetallic Mineral Product Manufacturing327991 | 20-99 | ◐ LIKELY ACTIVE |
| SCSchuster Concrete Ready Mix Llc-guilford Rd | Jessup | MD | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| SCSchuster Concrete Ready Mix Llc-southlawn Ln | Rockville | MD | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| SCS&g Concrete Edgewood | Edgewood | MD | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| SCSolo Cup Operating Corporation | Federalsburg | MD | Paper Manufacturing322215 | — | ◐ LIKELY ACTIVE |
| TFTeledyne Flir Defense, INC. | Elkridge | MD | Computer and Electronic Product Manufacturing334511 | — | ◐ LIKELY ACTIVE |
| TMThe Mill of Upperco, LLC | Hampstead | MD | Chemical Manufacturing325320 | — | ◐ LIKELY ACTIVE |
| TNThe Nelson Company | Baltimore | MD | Wood Product Manufacturing321920 | — | ◐ LIKELY ACTIVE |
| TTThermo Trilogy CORP | Columbia | MD | Chemical Manufacturing325320 | — | ◐ LIKELY ACTIVE |
| UAUnder Armour | Curtis Bay | MD | Textile Product Mills314999 | — | ◐ LIKELY ACTIVE |
| UCUS Can CO Plant 41 | Baltimore | MD | Fabricated Metal Product Manufacturing332431 | — | ◐ LIKELY ACTIVE |
| USU S Coast Guard Yard | Baltimore | MD | Transportation Equipment Manufacturing336611 | — | ◐ LIKELY ACTIVE |
| WRWebtec Railway Electronics | Germantown | MD | Computer and Electronic Product Manufacturing334418 | — | ◐ LIKELY ACTIVE |
| WLW. L. Gore & Associates INC. Appleton South Site | Elkton | MD | Apparel Manufacturing315239 | — | ◐ LIKELY ACTIVE |
| WLW. L. Gore - Elk Creek Plant | Elkton | MD | Textile Mills313320 | — | ◐ LIKELY ACTIVE |
| WCWockenfuss Candy Company Inc. | Baltimore highlands | MD | Food Manufacturing311330 | 20-99 | ◐ LIKELY ACTIVE |
| WCWorcester County Dpw | Berlin | MD | Computer and Electronic Product Manufacturing334516 | — | ◐ LIKELY ACTIVE |
| 0C00060302-60302v Culpeper of Fruitland, LLC | Eden | MD | Wood Product Manufacturing321114 | 20-99 | ◐ LIKELY ACTIVE |
| 00992 | Harmans | MD | Wood Product Manufacturing321214 | 20-99 | ◐ LIKELY ACTIVE |
| 1V18818216 Vision Services Burtonsville | Burtonsville | MD | Machinery Manufacturing333314 | 20-99 | ◐ LIKELY ACTIVE |
| 1S1932 Specialty Produce and Meat | Elkridge | MD | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| 1D1st Distillery of Usa, LLC | Cumberland | MD | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| 2D220-Washington DC | Beltsville | MD | Machinery Manufacturing333921 | 100-499 | ◐ LIKELY ACTIVE |
| 224-077530758-0 | Cumberland | MD | Plastics and Rubber Products Manufacturing326199 | 100-499 | ◐ LIKELY ACTIVE |
| 3R306 Rockville MD | Rockville | MD | Food Manufacturing311811 | 20-99 | ◐ LIKELY ACTIVE |
| 3F342 Frederick MD | Frederick | MD | Food Manufacturing311811 | 20-99 | ◐ LIKELY ACTIVE |
| 3C354 Catonsville MD | Catonsville | MD | Food Manufacturing311811 | 20-99 | ◐ LIKELY ACTIVE |
| 3C360 Coatings LLC | Mechanicsville | MD | Fabricated Metal Product Manufacturing332812 | — | ◐ LIKELY ACTIVE |