| MBMid-atlantic Baking | Baltimore | MD | Food Manufacturing311611 | 100-499 | ◐ LIKELY ACTIVE |
| MFMorningstar Foods LLC | Frederick | MD | Food Manufacturing311511 | — | ◐ LIKELY ACTIVE |
Moshe Operations and Asset Management, LLC | Jessup | MD | Fabricated Metal Product Manufacturing332812 | — | ◐ LIKELY ACTIVE |
| NNNew Ngc, INC. Dba National Gypsum Company | Highlandtown | MD | Nonmetallic Mineral Product Manufacturing327420 | — | ◐ LIKELY ACTIVE |
Packaging Strategies Incorporated | Rosedale | MD | Plastics and Rubber Products Manufacturing326199 | 1-19 | ◐ LIKELY ACTIVE |
| PAPerdue Agribusiness Inc, Zion Church Road Complex | Salisbury | MD | Food Manufacturing311119 | — | ◐ LIKELY ACTIVE |
| PPittcon | Riverdale | MD | Fabricated Metal Product Manufacturing332323 | 20-99 | ◐ LIKELY ACTIVE |
| PCPowercon Corporation | Severn | MD | Nonmetallic Mineral Product Manufacturing327110 | 100-499 | ◐ LIKELY ACTIVE |
| PMPrecoat Metals Division of Sequa Corporation | Elkridge | MD | Fabricated Metal Product Manufacturing332812 | — | ◐ LIKELY ACTIVE |
| QCQuikrete Company | Perryville | MD | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| RGRedland Genstar Rosedale | Rosedale | MD | Petroleum and Coal Products Manufacturing324121 | — | ◐ LIKELY ACTIVE |
| RPRescue Phone INC | Jessup | MD | Computer and Electronic Product Manufacturing334210 | 1-19 | ◐ LIKELY ACTIVE |
| RCRicca Chemical CO. | Pocomoke City | MD | Chemical Manufacturing325998 | — | ◐ LIKELY ACTIVE |
| RCRust-oleum CORP | Williamsport | MD | Chemical Manufacturing325510 | — | ◐ LIKELY ACTIVE |
Schroeder Industries | Cumberland | MD | Machinery Manufacturing333999 | 20-99 | ◐ LIKELY ACTIVE |
| SSScientific Specialties Service INC | Hanover | MD | Nonmetallic Mineral Product Manufacturing327213 | 20-99 | ◐ LIKELY ACTIVE |
| SCSherwin-williams Company | Baltimore | MD | Chemical Manufacturing325510 | — | ◐ LIKELY ACTIVE |
| SLSpartech LLC - Salisbury | Salisbury | MD | Printing and Related Support Activities323111 | — | ◐ LIKELY ACTIVE |
| TCTanglewood Conservatories | Denton | MD | Wood Product Manufacturing321992 | 20-99 | ◐ LIKELY ACTIVE |
Techcomp USA INC | Fulton | MD | Computer and Electronic Product Manufacturing334516 | 1-19 | ◐ LIKELY ACTIVE |
| TTenax | Baltimore | MD | Plastics and Rubber Products Manufacturing326199 | 20-99 | ◐ LIKELY ACTIVE |
| TAThe Annapolis Chocolate Company, Incorporated | Hanover | MD | Food Manufacturing311330 | 20-99 | ◐ LIKELY ACTIVE |
| TGThe Gill Corporation - Maryland | Edgewood | MD | Primary Metal Manufacturing331316 | — | ◐ LIKELY ACTIVE |
| TSThe Southern Galvanizing Company | Baltimore | MD | Fabricated Metal Product Manufacturing332812 | — | ◐ LIKELY ACTIVE |
| TUThe United States Gypsum Company - Baltimore Plant | Baltimore | MD | Nonmetallic Mineral Product Manufacturing327390 | — | ◐ LIKELY ACTIVE |
| TWThe Whalen Company | Easton | MD | Machinery Manufacturing333415 | 20-99 | ◐ LIKELY ACTIVE |
| TJTreuth, J.w. & Sons | Baltimore | MD | Food Manufacturing311611 | — | ◐ LIKELY ACTIVE |
| TSTriangle Sign & Service, LLC | Baltimore | MD | Miscellaneous Manufacturing339950 | 20-99 | ◐ LIKELY ACTIVE |
| TLTruroots, LLC | Havre De Grace | MD | Food Manufacturing311411 | 20-99 | ◐ LIKELY ACTIVE |
| VPValley Proteins Inc-linkwood Facility | Linkwood | MD | Food Manufacturing311613 | — | ◐ LIKELY ACTIVE |
Venture Trailers INC | Baltimore | MD | Machinery Manufacturing333924 | — | ◐ LIKELY ACTIVE |
Vorbeck Materials CORP. | Columbia | MD | Computer and Electronic Product Manufacturing334290 | — | ◐ LIKELY ACTIVE |
| WWWashington Woodworking | Landover | MD | Wood Product Manufacturing321114 | 100-499 | ◐ LIKELY ACTIVE |
| WWaterloo | Jessup | MD | Food Manufacturing311942 | 100-499 | ◐ LIKELY ACTIVE |
| WHWilliams & Heintz Map Corporation | Capitol Heights | MD | Printing and Related Support Activities323110 | — | ◐ LIKELY ACTIVE |
| WRW R Grace and CO – Curtis Bay Works | Curtis Bay | MD | Chemical Manufacturing325130 | — | ◐ LIKELY ACTIVE |
| XCXerxes CORP | Williamsport | MD | Plastics and Rubber Products Manufacturing326199 | — | ◐ LIKELY ACTIVE |
| ACAai Corporation | Cockeysville | MD | Fabricated Metal Product Manufacturing332994 | — | ◐ LIKELY ACTIVE |
| ACAcdi (american Computer Development) | Frederick | MD | Computer and Electronic Product Manufacturing334111 | — | ◐ LIKELY ACTIVE |
| AVAdvanced Vacuum Company | Westminster | MD | Machinery Manufacturing333912 | 20-99 | ◐ LIKELY ACTIVE |
| AFAllen Family Foods | Hurlock | MD | Food Manufacturing311615 | — | ◐ LIKELY ACTIVE |
| AHAmrize Hagerstown Cement Plant (formerly Holcim Ha | Hagerstown | MD | Nonmetallic Mineral Product Manufacturing327310 | — | ◐ LIKELY ACTIVE |
| BLBizerba Label Solutions, INC | Joppa | MD | Printing and Related Support Activities323110 | 100-499 | ◐ LIKELY ACTIVE |
| BDBlack & Decker | Hampstead | MD | Fabricated Metal Product Manufacturing332117 | — | ◐ LIKELY ACTIVE |
| BDBlack & Decker Corporation | Towson | MD | Machinery Manufacturing333991 | 500+ | ◐ LIKELY ACTIVE |
| BABonsal American INC | White Marsh | MD | Petroleum and Coal Products Manufacturing324122 | — | ◐ LIKELY ACTIVE |
| BIBsc Ind | Baltimore | MD | Chemical Manufacturing325320 | — | ◐ LIKELY ACTIVE |
| CQCapital Quickrete | Clinton | MD | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| CCCertainteed CORP | Williamsport | MD | Plastics and Rubber Products Manufacturing326199 | — | ◐ LIKELY ACTIVE |
| COChesapeake Optical Lab | Baltimore | MD | Miscellaneous Manufacturing339115 | — | ◐ LIKELY ACTIVE |