K&r Technologies LLC | Frederick | — | ● ACTIVE |
| DSDrs Signal Solutions, INC. | Frederick | 100–499 | ● ACTIVE |
American Computer Development, Incorporated | Frederick | — | ● ACTIVE |
Digital Systems Corporation | Walkersville | — | ● ACTIVE |
Directum Solutions L.l.c. | Ijamsville | — | ● ACTIVE |
Electrical Test Instruments, LLC | Frederick | — | ● ACTIVE |
Inelect CORP | Frederick | — | ● ACTIVE |
Kiosk Group, INC. | Frederick | — | ● ACTIVE |
Lib Src INC | Myersville | — | ● ACTIVE |
Lumitek International, INC. | Ijamsville | — | ● ACTIVE |
Microwave Vector CORP | Frederick | — | ● ACTIVE |
Planar Monolithics Industries, INC. | Frederick | — | ● ACTIVE |
Rad Elec INC | Frederick | — | ● ACTIVE |
| SCSpectrum Control INC | Frederick | — | ● ACTIVE |
| STSynergent Technologies, INC | Frederick | — | ● ACTIVE |
System Engineering International INC | Frederick | — | ● ACTIVE |
| ACAcdi (american Computer Development) | Frederick | — | ◇ UNVERIFIED |
| CMCrowley Micrographics, INC. | Frederick | — | ◐ LIKELY ACTIVE |
| USUnited States Antenna Products, L.l.c. | Frederick | — | ◐ LIKELY ACTIVE |
| ATApi Technologies-weinschel | Frederick | — | ◇ UNVERIFIED |
| WSWilcoxon Sensing Technologies | Frederick | — | ◇ UNVERIFIED |
| ACAbsolute Controls LLC | Frederick | — | ◐ LIKELY ACTIVE |
| ATAllumax Tti, LLC | Adamstown | — | ◐ LIKELY ACTIVE |
| AIAmphenol (maryland) INC | Frederick | — | ◐ LIKELY ACTIVE |
| EWEmanate Wireless, INC. | Ijamsville | — | ◐ LIKELY ACTIVE |
| FLFrederick Lab | Frederick | 1–19 | ◐ LIKELY ACTIVE |
| SPSilver Palm Technologies LLC | Ijamsville | — | ◐ LIKELY ACTIVE |
| SISynoptics, INC | Frederick | — | ◐ LIKELY ACTIVE |
| WHWgs Holdings, LLC | Frederick | — | ◐ LIKELY ACTIVE |
| WSWgs Systems, LLC | Frederick | — | ◐ LIKELY ACTIVE |
| CTCcr Tech LLC | Frederick | — | ◐ LIKELY ACTIVE |
| CCCdc Cellular Repair Services, LLC | Frederick | — | ◇ UNVERIFIED |
| SSShimadzu Scientific Instruments, INC | Frederick | — | ◇ UNVERIFIED |
System Engineering International, INC. | Frederick | — | ◇ UNVERIFIED |