| OMOwings Mills | Owings Mills | MD | Food Manufacturing311999 | 100-499 | ◐ LIKELY ACTIVE |
| PRPaul Reed Smith Guitars Limited Partnership | 380 Log Canoe Circle, Stevensville, MD 21666 | MD | Miscellaneous Manufacturing339992 | 100-499 | ◐ LIKELY ACTIVE |
| PPPilot Plant | Frederick | MD | Chemical Manufacturing325414 | 100-499 | ◐ LIKELY ACTIVE |
| RBREEB - Barclay Core | Barclay | MD | Wood Product Manufacturing321911 | 100-499 | ◐ LIKELY ACTIVE |
| SRSchuster Ready Mix, LLC | Owings Mills | MD | Nonmetallic Mineral Product Manufacturing327320 | 100-499 | ◐ LIKELY ACTIVE |
| SSShelter Systems Truss Plant | Westminster | MD | Wood Product Manufacturing321214 | 100-499 | ◐ LIKELY ACTIVE |
| SNSmith + Nephew Columbia MD | Columbia | MD | Chemical Manufacturing325414 | 100-499 | ◐ LIKELY ACTIVE |
| SISolomon's Island | Patuxent River | MD | Transportation Equipment Manufacturing336413 | 100-499 | ◐ LIKELY ACTIVE |
| S0Structural 0101, LLC | Thurmont | MD | Wood Product Manufacturing321215 | 100-499 | ◐ LIKELY ACTIVE |
| TCTGD Cuts LLC | Jessup | MD | Food Manufacturing311991 | 100-499 | ◐ LIKELY ACTIVE |
| TCThe Chef's Warehouse Mid-Atlantic, LLC- Jessup, MD | Jessup | MD | Food Manufacturing311612 | 100-499 | ◐ LIKELY ACTIVE |
| TGThe Gill Corporation | Edgewood | MD | Transportation Equipment Manufacturing336413 | 100-499 | ◐ LIKELY ACTIVE |
| TThurmont | Thurmont | MD | Wood Product Manufacturing321214 | 100-499 | ◐ LIKELY ACTIVE |
| TFTulkoff Food Products, LLC. | Baltimore | MD | Food Manufacturing311941 | 100-499 | ◐ LIKELY ACTIVE |
| UMUSA MD Baltimore Plant | Baltimore | MD | Chemical Manufacturing325510 | 100-499 | ◐ LIKELY ACTIVE |
| UMUSA MD Crisfield Plant | Crisfield | MD | Miscellaneous Manufacturing339994 | 100-499 | ◐ LIKELY ACTIVE |
| WGWR Grace & Co | Baltimore | MD | Chemical Manufacturing325180 | 100-499 | ◐ LIKELY ACTIVE |
| AAA & a Global Industries (corporate) | Cockeysville | MD | Machinery Manufacturing333311 | 100-499 | ◇ UNVERIFIED |
| ADAmerican Direct Imaging INC | Baltimore | MD | Fabricated Metal Product Manufacturing332999 | 100-499 | ◇ UNVERIFIED |
| CBChesapeake Building Components INC | Easton | MD | Wood Product Manufacturing321214 | 100-499 | ◇ UNVERIFIED |
| GCGold Crust Baking Company, INC | Landover | MD | Food Manufacturing311811 | 100-499 | ◇ UNVERIFIED |
| PFParis Foods Corporation | Trappe | MD | Food Manufacturing311411 | 100-499 | ◇ UNVERIFIED |
| QQlmc/bindagraphics | Baltimore | MD | Printing and Related Support Activities323113 | 100-499 | ▲ REPORTED CLOSED |
| RFR & F Metals INC | Clinton | MD | Fabricated Metal Product Manufacturing332323 | 100-499 | ◇ UNVERIFIED |
| TLThe Lamotte Chemical Products Company | Chestertown | MD | Chemical Manufacturing325199 | 100-499 | ◇ UNVERIFIED |
| TMTsi/architectural Metals, INC. | Upper Marlboro | MD | Fabricated Metal Product Manufacturing332312 | 100-499 | ◇ UNVERIFIED |