| LELarry E. Knight INC | Reisterstown | MD | Machinery Manufacturing333120 | 1-19 | ◇ UNVERIFIED |
| ATAntietam Tractor & Equipment, INC | Hagerstown | MD | Machinery Manufacturing333111 | 20-99 | ◐ LIKELY ACTIVE |
| ARATCO Rubber Products Baltimore | Baltimore | MD | Machinery Manufacturing333415 | 20-99 | ◐ LIKELY ACTIVE |
| AGAtlantic Graphic Systems, INC. | Columbia | MD | Machinery Manufacturing333248 | 1-19 | ◐ LIKELY ACTIVE |
| CACuzn Assembly Warehouse | Millersville | MD | Machinery Manufacturing333318 | — | ◐ LIKELY ACTIVE |
| HPHexagon Purus NA | Westminster | MD | Fabricated Metal Product Manufacturing332420 | 20-99 | ◐ LIKELY ACTIVE |
| PSPVS Sackett-Waconia, Inc. BAL | Baltimore | MD | Machinery Manufacturing333922 | 20-99 | ◐ LIKELY ACTIVE |
| SESigma E&f LLC | Lanham | MD | Machinery Manufacturing333517 | 1-19 | ◐ LIKELY ACTIVE |
| TTTillman Tool Company INC | Linthicum Heights | MD | Machinery Manufacturing333613 | 1-19 | ◐ LIKELY ACTIVE |
| BLBtr-5200, LLC | Glen Arm | MD | Machinery Manufacturing333291 | — | ◐ LIKELY ACTIVE |
| ENExcelitas Noblelight America LLC | Gaithersburg | MD | Machinery Manufacturing333994 | — | ◐ LIKELY ACTIVE |
| MPMaster Prototype Machining, INC. | Gaithersburg | MD | Machinery Manufacturing333998 | 1-19 | ◐ LIKELY ACTIVE |
| MMM & M Carnot | Federalsburg | MD | Machinery Manufacturing333415 | — | ◐ LIKELY ACTIVE |
| PIPowrmatic INC | Finksburg | MD | Machinery Manufacturing333414 | 20-99 | ◐ LIKELY ACTIVE |
| ADAdvanced Design Products | Finksburg | MD | Machinery Manufacturing333924 | — | ◇ UNVERIFIED |
| BABlack and Decker U S Power Tools Group | Easton | MD | Machinery Manufacturing333991 | — | ◇ UNVERIFIED |
| DIDresser INC. Wayne Div. | Salisbury | MD | Machinery Manufacturing333913 | — | ◇ UNVERIFIED |
| MAMemtec America CORP. Plant I | Timonium | MD | Machinery Manufacturing333999 | — | ◇ UNVERIFIED |
| NNNexagen Networks INC. | Aberdeen | MD | Machinery Manufacturing333415 | — | ◇ UNVERIFIED |
| PCPall Ciorporation Plant 2 | Lutherville Timonium | MD | Machinery Manufacturing333412 | — | ◇ UNVERIFIED |
| PFPall Filtration & Separations Group | Timonium | MD | Machinery Manufacturing333412 | — | ◇ UNVERIFIED |
| PCPangborn CORP | Hagerstown | MD | Machinery Manufacturing333319 | — | ◇ UNVERIFIED |
| UPUnited Parcel Service - Quad (mdqua) | Baltimore | MD | Machinery Manufacturing333292 | — | ◇ UNVERIFIED |
| WCWerres Corporation | Frederick | MD | Machinery Manufacturing333924 | — | ◇ UNVERIFIED |
| 1V18818216 Vision Services Burtonsville | Burtonsville | MD | Machinery Manufacturing333314 | 20-99 | ◐ LIKELY ACTIVE |
| 2D220-Washington DC | Beltsville | MD | Machinery Manufacturing333921 | 100-499 | ◐ LIKELY ACTIVE |
| AFAir Flow Environmental Control LTD | Gaithersburg | MD | Machinery Manufacturing333415 | — | ◐ LIKELY ACTIVE |
| ATAtlantic Tractor LLC | East New Market | MD | Machinery Manufacturing333111 | — | ◐ LIKELY ACTIVE |
| ATAtlantic Tractor LLC | Pocomoke City | MD | Machinery Manufacturing333111 | — | ◐ LIKELY ACTIVE |
| ATAtlantic Tractor LLC | Salisbury | MD | Machinery Manufacturing333111 | — | ◐ LIKELY ACTIVE |
| BPBW Papersystems | Cockeysville | MD | Machinery Manufacturing333243 | 100-499 | ◐ LIKELY ACTIVE |
Crane 1 Services - Baltimore | Baltimore | MD | Machinery Manufacturing333923 | 1-19 | ◐ LIKELY ACTIVE |
| CMCrowley Micrographics Inc | Frederick MD | MD | Machinery Manufacturing333316 | 20-99 | ◐ LIKELY ACTIVE |
| DEDelaware Elevator Manufacturing Corporation | Salisbury | MD | Machinery Manufacturing333921 | — | ◐ LIKELY ACTIVE |
| ELEQI Logistics | Williamsport | MD | Machinery Manufacturing333924 | 20-99 | ◐ LIKELY ACTIVE |
Excelitas Technologies Corp. | Gaithersburg | MD | Machinery Manufacturing333994 | 20-99 | ◐ LIKELY ACTIVE |
| HBHoward By Howard Business Solutions, LLC | Laurel | MD | Machinery Manufacturing333613 | — | ◐ LIKELY ACTIVE |
| HHHydroair Hughes, LLC | Joppa | MD | Machinery Manufacturing333996 | — | ◐ LIKELY ACTIVE |
| ISIntralox Sparrows Point | Rdgemere | MD | Machinery Manufacturing333922 | 100-499 | ◐ LIKELY ACTIVE |
| JOJessup Office and R&D | Jessup | MD | Machinery Manufacturing333415 | 100-499 | ◐ LIKELY ACTIVE |
| LHLaitram Hanover | Hanover | MD | Machinery Manufacturing333922 | 100-499 | ◐ LIKELY ACTIVE |
| MSMillennium Systems International, LLC | Havre De Grace | MD | Machinery Manufacturing333914 | — | ◐ LIKELY ACTIVE |
| RERice Enterprises, LLC | Baltimore | MD | Machinery Manufacturing333112 | — | ◐ LIKELY ACTIVE |
| RRRicky R Tatum | Hyattsville | MD | Machinery Manufacturing333413 | — | ◐ LIKELY ACTIVE |
| VHVertrans Holding LLC | Salisbury | MD | Machinery Manufacturing333921 | — | ◐ LIKELY ACTIVE |
| VIVeteran Infrastructure LLC | Pikesville | MD | Machinery Manufacturing333415 | — | ◐ LIKELY ACTIVE |
| ELExactly LLC | Burtonsville | MD | Machinery Manufacturing333248 | — | ◐ LIKELY ACTIVE |
| MSMelo Services LLC | Glen Burnie | MD | Machinery Manufacturing333415 | — | ◐ LIKELY ACTIVE |
| AAA & a Global Industries (corporate) | Cockeysville | MD | Machinery Manufacturing333311 | 100-499 | ◇ UNVERIFIED |
| BTBoomers Tools LLC | Bel Air | MD | Machinery Manufacturing333991 | 1-19 | ◇ UNVERIFIED |