Colonial Metals INC - Triumph Industrial Park Bldg 20 | Elkton | MD | Chemical Manufacturing325131 | — | ◐ LIKELY ACTIVE |
| CPConcrete Pipe & Products | Jessup | MD | Nonmetallic Mineral Product Manufacturing327332 | — | ◐ LIKELY ACTIVE |
| DGDaniel G. Schuster, INC. - Frederick Plant | Frederick | MD | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| DPDunlop Protective Footwear USA | Havre De Grace | MD | Leather and Allied Product Manufacturing316210 | 100-499 | ◐ LIKELY ACTIVE |
| EAEastalco Aluminum Company | Baltimore | MD | Primary Metal Manufacturing331312 | — | ◐ LIKELY ACTIVE |
| EIEvapco Inc-taneytown | Taneytown | MD | Machinery Manufacturing333415 | — | ◐ LIKELY ACTIVE |
| FFil-tec | Smithsburg | MD | Textile Mills313000 | — | ◐ LIKELY ACTIVE |
| FNFuchs North America | Hampstead | MD | Food Manufacturing311942 | 100-499 | ◐ LIKELY ACTIVE |
| GMGaf Materials Corporation | Highlandtown | MD | Petroleum and Coal Products Manufacturing324122 | — | ◐ LIKELY ACTIVE |
| GSGray & Son, INC. - Finksburg | Finksburg | MD | Petroleum and Coal Products Manufacturing324121 | — | ◐ LIKELY ACTIVE |
| HEHanna-berndt Enterprise INC | Aberdeen | MD | Miscellaneous Manufacturing339950 | 1-19 | ◐ LIKELY ACTIVE |
| HSHarford Systems | Aberdeen | MD | Fabricated Metal Product Manufacturing332322 | — | ◐ LIKELY ACTIVE |
| HMHeidelberg Materials US Cement LLC | Union Bridge | MD | Nonmetallic Mineral Product Manufacturing327310 | — | ◐ LIKELY ACTIVE |
| HFHurlock Feed Mill/hatchery | Hurlock | MD | Food Manufacturing311119 | — | ◐ LIKELY ACTIVE |
| IPIneos Pigments Usa, INC | Glen Burnie | MD | Chemical Manufacturing325998 | 100-499 | ◐ LIKELY ACTIVE |
| KPKaufman Products INC. | Baltimore | MD | Food Manufacturing311942 | 1-19 | ◐ LIKELY ACTIVE |
| KWKemira Water Solutions, INC. | Baltimore | MD | Chemical Manufacturing325180 | — | ◐ LIKELY ACTIVE |
| LBLafarge Building Material INC | Sparrows Point | MD | Nonmetallic Mineral Product Manufacturing327310 | — | ◐ LIKELY ACTIVE |
| MAMaryland and Virginia Milk, Laurel LLC | Laurel | MD | Food Manufacturing311511 | — | ◐ LIKELY ACTIVE |
| MPMaryland Plastics | Federalsburg | MD | Plastics and Rubber Products Manufacturing326199 | 20-99 | ◐ LIKELY ACTIVE |
| MPMccormick Paint Works CO | Frederick | MD | Chemical Manufacturing325510 | — | ◐ LIKELY ACTIVE |
| MAMccutchen Apple Products/4 Water St | Frederick | MD | Food Manufacturing311421 | 20-99 | ◐ LIKELY ACTIVE |
| MPMd Precision Spring | Essex | MD | Fabricated Metal Product Manufacturing332611 | — | ◐ LIKELY ACTIVE |
| MVMd Va Marva Maid Landover, LLC | Landover | MD | Food Manufacturing311511 | — | ◐ LIKELY ACTIVE |
| MCMerit Concrete | Laurel | MD | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| MBMiltenyl Biotec North America INC | Gaithersburg | MD | Chemical Manufacturing325412 | 500+ | ◐ LIKELY ACTIVE |
| MFMountaire Farms INC Princess Anne Feed Mill | Westover | MD | Food Manufacturing311119 | — | ◐ LIKELY ACTIVE |
| NSNaval Surface Warfare Center | Indian Head | MD | Chemical Manufacturing325920 | — | ◐ LIKELY ACTIVE |
| NDNew Dawn Manufacturing CO | Upper Marlboro | MD | Chemical Manufacturing325611 | — | ◐ LIKELY ACTIVE |
| NSNorthrop-grumman Systems CORP. - Atl | Linthicum | MD | Computer and Electronic Product Manufacturing334413 | — | ◐ LIKELY ACTIVE |
| NGNorthrop Grumman Systems CORP. - Bwi | Linthicum | MD | Computer and Electronic Product Manufacturing334511 | — | ◐ LIKELY ACTIVE |
| NCNoxell CORP | Hunt Valley | MD | Chemical Manufacturing325620 | — | ◐ LIKELY ACTIVE |
| OBOrigin Baltimore Recycling, LLC | Curtis Bay | MD | Petroleum and Coal Products Manufacturing324110 | 1-19 | ◐ LIKELY ACTIVE |
| PFPerdue Foods, Llc, Salisbury Processing Plant | Salisbury | MD | Food Manufacturing311119 | — | ◐ LIKELY ACTIVE |
| PFPerkinelmer Fluid Sciences | Beltsville | MD | Fabricated Metal Product Manufacturing332912 | — | ◐ LIKELY ACTIVE |
| PBPike Baltimore Terminals LLC - Baltimore Terminal | Baltimore | MD | Petroleum and Coal Products Manufacturing324121 | — | ◐ LIKELY ACTIVE |
| PCPoly-seal CORP | Baltimore | MD | Plastics and Rubber Products Manufacturing326199 | — | ◐ LIKELY ACTIVE |
Purina Animal Nutrition | Hagerstown | MD | Food Manufacturing311119 | — | ◐ LIKELY ACTIVE |
| QCQuartermaine Coffee Roasters | Rockville | MD | Food Manufacturing311920 | 1-19 | ◐ LIKELY ACTIVE |
| RBRedland Brick | Rocky Ridge | MD | Nonmetallic Mineral Product Manufacturing327120 | — | ◐ LIKELY ACTIVE |
| SCSchuster Concrete Ready Mix, LLC | Owings Mills | MD | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| SCS&g Concrete Brooklyn Plant | Baltimore | MD | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| SCS&g Concrete Company | Odenton | MD | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| VTVibrantz Technologies | Curtis Bay | MD | Chemical Manufacturing325180 | — | ◐ LIKELY ACTIVE |
| WMWard Machinery Company | Cockeysville | MD | Machinery Manufacturing333243 | — | ◐ LIKELY ACTIVE |
| WLW L Gore & Associates INC | Elkton | MD | Textile Mills313230 | — | ◐ LIKELY ACTIVE |
| WGW.l. Gore & Associates- Lovett 1 | Elkton | MD | Apparel Manufacturing315239 | — | ◐ LIKELY ACTIVE |
| WRW R Grace & CO Conn | Columbia | MD | Chemical Manufacturing325180 | 100-499 | ◐ LIKELY ACTIVE |
Aidar Health, INC. | Pikesville | MD | Miscellaneous Manufacturing339112 | — | ◐ LIKELY ACTIVE |
| ADAmerican Door CO. | Beltsville | MD | Wood Product Manufacturing321911 | — | ◐ LIKELY ACTIVE |