| JBJoint Base Andrews, MD (MD001) | Andrews AFB | MD | Transportation Equipment Manufacturing336411 | 20-99 | ◐ LIKELY ACTIVE |
| JBJon Belle, LLC | Baltimore | MD | Printing and Related Support Activities323113 | — | ◐ LIKELY ACTIVE |
| JMJoyce Marie LLC | Glen Burnie | MD | Food Manufacturing311813 | — | ◐ LIKELY ACTIVE |
| JBJS Brewery | Columbia | MD | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| KEKamps Edgemere | Edgemere | MD | Wood Product Manufacturing321920 | 1-19 | ◐ LIKELY ACTIVE |
| KPKamps Pallets - Baltimore | Baltimore | MD | Wood Product Manufacturing321920 | 20-99 | ◐ LIKELY ACTIVE |
| KPKamps Pallets - Hagerstown | Hagerstown | MD | Wood Product Manufacturing321920 | 20-99 | ◐ LIKELY ACTIVE |
| KRKawasaki Rail Car Inc - Greenbelt | College Park | MD | Transportation Equipment Manufacturing336510 | 100-499 | ◐ LIKELY ACTIVE |
| KGKDM Group, LLC | Rosedale | MD | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| KEKingzy Enterprises LLC | Bowie | MD | Transportation Equipment Manufacturing336310 | — | ◐ LIKELY ACTIVE |
| KAKIP America, Inc. - Maryland | Baltimore | MD | Computer and Electronic Product Manufacturing334118 | 1-19 | ◐ LIKELY ACTIVE |
| KPKite Pharma TCF05 Manufacturing Facility | Frederick | MD | Chemical Manufacturing325414 | 100-499 | ◐ LIKELY ACTIVE |
| KPKM Printing, LLC | Owings Mills | MD | Printing and Related Support Activities323111 | 20-99 | ◐ LIKELY ACTIVE |
| KCKols Containers, INC. | Baltimore | MD | Plastics and Rubber Products Manufacturing326160 | — | ◐ LIKELY ACTIVE |
| LTL3Harris Technologies, Integrated Systems L.P. (Andrews AFB) | Andrews AFB | MD | Transportation Equipment Manufacturing336411 | 20-99 | ◐ LIKELY ACTIVE |
| LELaake Enterprises INC | Elkridge | MD | Transportation Equipment Manufacturing336120 | — | ◐ LIKELY ACTIVE |
| LHLa Hacienda Del Vino LLC | Keymar | MD | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| LHLaitram Hanover | Hanover | MD | Machinery Manufacturing333922 | 100-499 | ◐ LIKELY ACTIVE |
| LCLaMotte Chestertown | Chestertown | MD | Chemical Manufacturing325412 | 100-499 | ◐ LIKELY ACTIVE |
| LPLands Point Winery & Vineyards | Chestertown | MD | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| LSLaser Specialties, LLC | Westminster | MD | Fabricated Metal Product Manufacturing332999 | — | ◐ LIKELY ACTIVE |
| LSLatisha Stokes | Glen Burnie | MD | Paper Manufacturing322291 | — | ◐ LIKELY ACTIVE |
| LBLaurel Branch 11 | Laurel | MD | Chemical Manufacturing325120 | 1-19 | ◐ LIKELY ACTIVE |
| LDL. Di Pasquale & Sons | Baltimore | MD | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| LLLeadersfirm LLC | Germantown | MD | Chemical Manufacturing325320 | — | ◐ LIKELY ACTIVE |
| LSLee Spring Company MD | Rosedale | MD | Fabricated Metal Product Manufacturing332613 | 1-19 | ◐ LIKELY ACTIVE |
| LVLegends Vineyard | Churchville | MD | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| LVLeliz Vineyard | Woodbine | MD | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| LPLexington Park, MD (02T) | Lexington Park | MD | Computer and Electronic Product Manufacturing334220 | 20-99 | ◐ LIKELY ACTIVE |
| LPLexington Park Plant | Lexington Park | MD | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◐ LIKELY ACTIVE |
| LELibertas Estates | Mt Airy | MD | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| LELibertas Estates LLC | Germantown | MD | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| LTLiberty Tavern | Mount Airy | MD | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| LSLifeline Solutions, L.l.c. | Cheverly | MD | Apparel Manufacturing315990 | — | ◐ LIKELY ACTIVE |
| LILincdyne INC. | Towson | MD | Electrical Equipment, Appliance & Component Manufacturing335999 | — | ◐ LIKELY ACTIVE |
| LLLineage Logistics MTC, LLC | Baltimore | MD | — | — | ◐ LIKELY ACTIVE |
| LBLinks Bridge Vineyards, LLC | Thurmont | MD | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| LALittle Ashby Vineyards | Easton | MD | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| LELive Edge Vineyards | Clarksburg | MD | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| LMLockheed Martin Corporation Lexington Park Site (1379) | Lexington Park | MD | Transportation Equipment Manufacturing336413 | 1-19 | ◐ LIKELY ACTIVE |
| LMLockheed Martin Corporation US Telegraph Rd Severn (5778) | Severn | MD | Computer and Electronic Product Manufacturing334418 | 20-99 | ◐ LIKELY ACTIVE |
| LPLocust Point Farms, LLC | Elkton | MD | Food Manufacturing311615 | — | ◐ LIKELY ACTIVE |
| LALost Ark Distilling Company | Columbia | MD | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| LDLouthan Distilling | Baltimore | MD | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| LPLove Point Vineyards and Winery, LLC | Stevensville | MD | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| LFLoveton Farms Distillery | Middle River | MD | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| LWLs Wholesale LLC | Capitol Heights | MD | Food Manufacturing311999 | — | ◐ LIKELY ACTIVE |
| MIMaccaferri, INC. | Hagerstown | MD | Fabricated Metal Product Manufacturing332618 | — | ◐ LIKELY ACTIVE |
| MMMadison Marine Construction and Recovery, LLC | Madison | MD | Transportation Equipment Manufacturing336612 | — | ◐ LIKELY ACTIVE |
| MGMAIN GCC- E. Monument Street | Baltimore | MD | Food Manufacturing311340 | 100-499 | ◐ LIKELY ACTIVE |