Electronics manufacturers in Maryland
Maryland has 122 electronics makers in EPA records, facilities that list codes for computers, communications gear, components and instruments. The most are in Frederick, Columbia and Baltimore. That is 2% of the 6,529 such facilities nationwide, and Maryland ranks #11 of 49 states.
- Product
- Electronics manufacturers
- Facilities
- 122
- State rank
- #11
- NAICS
- 334111 and 21 related codes
- Revised
- November 1, 2026
Facilities in Maryland
These are active facilities in EPA's ECHO database that list a code for computers, communications gear, components and instruments. The 40 shown first are the ones with the most EPA program records, which usually means the larger sites.
| Facility | City | What EPA lists |
|---|---|---|
| Trans-Tech, Inc. | Adamstown | Other Electronic Component Manufacturing |
| Northrop-Grumman Systems Corp. - Atl | Linthicum | Semiconductor and Related Device Manufacturing |
| Ridge Engineering | Hampstead | Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing |
| Martin Marietta Laboratories | Halethorpe | Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing |
| Northrop Grumman Systems Corp. - Bwi | Linthicum | Semiconductor and Related Device Manufacturing |
| Wl Gore & Associates Inc Elk Mills 2 | Elkton | Other Electronic Component Manufacturing |
| Advanced Vacuum Company | Westminster | Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables |
| Allied-Signal Aerospace Co. Microelectronics & Technology Cntr | Columbia | Semiconductor and Related Device Manufacturing |
| Astrazeneca, Plp | Frederick | Semiconductor and Related Device Manufacturing |
| Capital Electro Circuits Inc | Gaithersburg | Bare Printed Circuit Board Manufacturing |
| Egide USA, Inc. | Cambridge | Semiconductor and Related Device Manufacturing |
| L-3 Chesapeake Sciences Corp | Millersville | Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing |
| Northrop Grumman Systems Corp -Troy Hill 4 | Elkridge | Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing |
| Northrop Grumman Systems Corporation - Troy Hill 1 | Elkridge | Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing |
| Nurad Technologies Inc | Baltimore | Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing |
| Swales & Assoc Frederick Av | Beltsville | Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing |
| Taylor Technologies, Inc | Sparks | Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables |
| Wilcoxon Sensing Technologies | Frederick | Other Measuring and Controlling Device Manufacturing |
| Worcester County Dpw | Berlin | Analytical Laboratory Instrument Manufacturing |
| Abiomed | Baltimore City | Electromedical and Electrotherapeutic Apparatus Manufacturing |
| Acdi (American Computer Development) | Frederick | Electronic Computer Manufacturing |
| Advanced Programs, Inc. | Columbia | Electronic Computer Manufacturing |
| Airpax | Frederick | Other Measuring and Controlling Device Manufacturing |
| Airpax Corp. | Cambridge | Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing |
| Alliant Techsystems Inc. | Annapolis | Analytical Laboratory Instrument Manufacturing |
| Allied Signal Communications&sensor Systems | Towson | Electronic Computer Manufacturing |
| Allied Signal Technical Services | Lanham | Semiconductor and Related Device Manufacturing |
| Allied Signal-Bendix | Columbia | Semiconductor and Related Device Manufacturing |
| Amecom Div Litton System Inc | College Park | Other Communications Equipment Manufacturing |
| American Computer Development Inc. (DBA Acdi) | Frederick | Printed Circuit Assembly (Electronic Assembly) Manufacturing |
| Angstrohm Precision | Hagerstown | Printed Circuit Assembly (Electronic Assembly) Manufacturing |
| Api Technologies-Weinschel | Frederick | Other Electronic Component Manufacturing |
| Applied Nanostructured Solutions | Baltimore | Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing |
| Atlantic Electronics | Baltimore | Bare Printed Circuit Board Manufacturing |
| Atronics | Lutherville-Timonium | Bare Printed Circuit Board Manufacturing |
| Automated Processes, Inc. (Api) | Jessup | Audio and Video Equipment Manufacturing |
| Belfort Instruments | Baltimore | Electromedical and Electrotherapeutic Apparatus Manufacturing |
| Broadcast Sports Intl. | Hanover | Audio and Video Equipment Manufacturing |
| Custom Electronics Company | Gaithersburg | Bare Printed Circuit Board Manufacturing |
| Cytology Services Of Md Inc | Laurel | Analytical Laboratory Instrument Manufacturing |
Industry codes are reported by facilities to EPA programs and are not checked here. A few listings may be repair shops, distributors or recyclers. How these records work.
Where they are
- Frederick: 12
- Columbia: 10
- Baltimore: 10
- Gaithersburg: 8
- Elkridge: 6
- Linthicum: 5
By product code
- Semiconductor and Related Device Manufacturing (NAICS 334413): 7 of those shown
- Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing (NAICS 334511): 7 of those shown
- Bare Printed Circuit Board Manufacturing (NAICS 334412): 4 of those shown
- Electronic Computer Manufacturing (NAICS 334111): 3 of those shown
- Other Electronic Component Manufacturing (NAICS 334419): 3 of those shown
- Analytical Laboratory Instrument Manufacturing (NAICS 334516): 3 of those shown
- Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing (NAICS 334220): 2 of those shown
- Audio and Video Equipment Manufacturing (NAICS 334310): 2 of those shown
- Printed Circuit Assembly (Electronic Assembly) Manufacturing (NAICS 334418): 2 of those shown
- Electromedical and Electrotherapeutic Apparatus Manufacturing (NAICS 334510): 2 of those shown
- Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables (NAICS 334513): 2 of those shown
- Other Measuring and Controlling Device Manufacturing (NAICS 334519): 2 of those shown
- Other Communications Equipment Manufacturing (NAICS 334290): 1 of those shown
All computers and electronics manufacturing in Maryland: 131 facilities and Census job counts.