| ADAdvanced Defense Technologies INC | Baltimore | 20–99 | ● ACTIVE |
Teledyne Energy Systems, INC | Hunt Valley | 20–99 | ● ACTIVE |
| ESEngineering Systems and Products LLC | Owings Mills | — | ● ACTIVE |
| MCModular Components National, INC | Forest Hill | — | ● ACTIVE |
Resco Electronics LLC | Nottingham | 20–99 | ● ACTIVE |
Basic Power, INC. | Baltimore | — | ● ACTIVE |
Blue Whale Ev, LLC | Hanover | — | ● ACTIVE |
| CLCapital Lighting & Supply LLC | Upper Marlboro | — | ● ACTIVE |
Cenergetix LLC | Gaithersburg | — | ● ACTIVE |
Coasttec LLC | Eldersburg | — | ● ACTIVE |
Emergency Power Services INC | White Marsh | — | ● ACTIVE |
Fic Corporation | Rockville | — | ● ACTIVE |
Gregory Eisemann | Silver Spring | — | ● ACTIVE |
Harbor Designs and Manufacturing, LLC | Baltimore | — | ● ACTIVE |
Inter-connect Electronics, INC | Elkridge | — | ● ACTIVE |
Ion Storage Systems, INC. | Beltsville | — | ● ACTIVE |
Logical Resources Group LLC | Columbia | — | ● ACTIVE |
Miltec Uv International, LLC | Stevensville | — | ● ACTIVE |
Power Up Connect LLC | Baltimore | — | ● ACTIVE |
Smart Power Systems, INC. | Middle River | — | ● ACTIVE |
Toroid Corporation | Salisbury | — | ● ACTIVE |
Ultimate Battery, Llc, the | Bethesda | — | ● ACTIVE |
| SASaft America INC | Cockeysville | — | ◐ LIKELY ACTIVE |
Powerstar INC | Gaithersburg | — | ◐ LIKELY ACTIVE |
Fse Diya INC | Elkridge | — | ◐ LIKELY ACTIVE |
Maryland Integrated Systems INC | Salisbury | — | ◐ LIKELY ACTIVE |
Mobile Pathways LLC | Hagerstown | — | ◐ LIKELY ACTIVE |
Relcomm Technologies, INC. | Salisbury | — | ◐ LIKELY ACTIVE |
Transoceanic Cable Ship Company LLC | Baltimore | — | ◐ LIKELY ACTIVE |
| ECEaton Corporation | Beltsville | — | ◐ LIKELY ACTIVE |
| PCPowercon Corporation | Severn | 100–499 | ◐ LIKELY ACTIVE |
| RGRemed - General Electric Site | Columbia | — | ◐ LIKELY ACTIVE |
| ATAdvanced Thermal Batteries, INC | Westminster | — | ◇ UNVERIFIED |
| PCPowercon Corporation | Severn | — | ◇ UNVERIFIED |
| TETeledyne Energy Systems, INC. | Sparks | — | ◇ UNVERIFIED |
| ATAllied Trading Inc. | Hanover | 100–499 | ◐ LIKELY ACTIVE |
| ACAnnapolis Cruisair, INC. | Annapolis | — | ◐ LIKELY ACTIVE |
| BLBucket, LLC | Columbia | — | ◐ LIKELY ACTIVE |
| CCCalvert Composites LLC | Port Republic | — | ◐ LIKELY ACTIVE |
| ECEaton Corporation | Hanover | — | ◐ LIKELY ACTIVE |
| ELEdac Labs, INC. | Beltsville | — | ◐ LIKELY ACTIVE |
| ECEnterprise Cabling, INC. | Cambridge | — | ◐ LIKELY ACTIVE |
| FLFiberelectronics, LLC | Baltimore | — | ◐ LIKELY ACTIVE |
| FEFidelity Engineering, LLC dba Fidelity Power Systems | Sparks | 100–499 | ◐ LIKELY ACTIVE |
| HSHanover Satellite Assembly | Hanover | 20–99 | ◐ LIKELY ACTIVE |
| LILincdyne INC. | Towson | — | ◐ LIKELY ACTIVE |
| MLMcb Lighting & Electrical, INC | Owings | — | ◐ LIKELY ACTIVE |
| NGNorthrop Grumman Systems CORP | Linthicum Heights | — | ◐ LIKELY ACTIVE |
| SPSurvival Power Systems INC | Ellicott City | — | ◐ LIKELY ACTIVE |
| TLTerrion, LLC | Rockville | — | ◐ LIKELY ACTIVE |