US Factory Map

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.

FacilityCityWhat EPA lists
Trans-Tech, Inc.AdamstownOther Electronic Component Manufacturing
Northrop-Grumman Systems Corp. - AtlLinthicumSemiconductor and Related Device Manufacturing
Ridge EngineeringHampsteadSearch, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing
Martin Marietta LaboratoriesHalethorpeSearch, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing
Northrop Grumman Systems Corp. - BwiLinthicumSemiconductor and Related Device Manufacturing
Wl Gore & Associates Inc Elk Mills 2ElktonOther Electronic Component Manufacturing
Advanced Vacuum CompanyWestminsterInstruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables
Allied-Signal Aerospace Co. Microelectronics & Technology CntrColumbiaSemiconductor and Related Device Manufacturing
Astrazeneca, PlpFrederickSemiconductor and Related Device Manufacturing
Capital Electro Circuits IncGaithersburgBare Printed Circuit Board Manufacturing
Egide USA, Inc.CambridgeSemiconductor and Related Device Manufacturing
L-3 Chesapeake Sciences CorpMillersvilleSearch, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing
Northrop Grumman Systems Corp -Troy Hill 4ElkridgeSearch, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing
Northrop Grumman Systems Corporation - Troy Hill 1ElkridgeSearch, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing
Nurad Technologies IncBaltimoreRadio and Television Broadcasting and Wireless Communications Equipment Manufacturing
Swales & Assoc Frederick AvBeltsvilleSearch, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing
Taylor Technologies, IncSparksInstruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables
Wilcoxon Sensing TechnologiesFrederickOther Measuring and Controlling Device Manufacturing
Worcester County DpwBerlinAnalytical Laboratory Instrument Manufacturing
AbiomedBaltimore CityElectromedical and Electrotherapeutic Apparatus Manufacturing
Acdi (American Computer Development)FrederickElectronic Computer Manufacturing
Advanced Programs, Inc.ColumbiaElectronic Computer Manufacturing
AirpaxFrederickOther Measuring and Controlling Device Manufacturing
Airpax Corp.CambridgeRadio and Television Broadcasting and Wireless Communications Equipment Manufacturing
Alliant Techsystems Inc.AnnapolisAnalytical Laboratory Instrument Manufacturing
Allied Signal Communications&sensor SystemsTowsonElectronic Computer Manufacturing
Allied Signal Technical ServicesLanhamSemiconductor and Related Device Manufacturing
Allied Signal-BendixColumbiaSemiconductor and Related Device Manufacturing
Amecom Div Litton System IncCollege ParkOther Communications Equipment Manufacturing
American Computer Development Inc. (DBA Acdi)FrederickPrinted Circuit Assembly (Electronic Assembly) Manufacturing
Angstrohm PrecisionHagerstownPrinted Circuit Assembly (Electronic Assembly) Manufacturing
Api Technologies-WeinschelFrederickOther Electronic Component Manufacturing
Applied Nanostructured SolutionsBaltimoreSearch, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing
Atlantic ElectronicsBaltimoreBare Printed Circuit Board Manufacturing
AtronicsLutherville-TimoniumBare Printed Circuit Board Manufacturing
Automated Processes, Inc. (Api)JessupAudio and Video Equipment Manufacturing
Belfort InstrumentsBaltimoreElectromedical and Electrotherapeutic Apparatus Manufacturing
Broadcast Sports Intl.HanoverAudio and Video Equipment Manufacturing
Custom Electronics CompanyGaithersburgBare Printed Circuit Board Manufacturing
Cytology Services Of Md IncLaurelAnalytical 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.