Electronics manufacturers in California
California has 2,757 electronics makers in EPA records, facilities that list codes for computers, communications gear, components and instruments. The most are in San Jose, San Diego and Santa Clara. That is 42% of the 6,529 such facilities nationwide, and California ranks first of 49 states.
- Product
- Electronics manufacturers
- Facilities
- 2,757
- State rank
- #1
- NAICS
- 334111 and 21 related codes
- Revised
- November 1, 2026
Facilities in California
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 |
|---|---|---|
| Kca Electronics Inc | Anaheim | Bare Printed Circuit Board Manufacturing |
| Emd Specialty Materials, LLC Arlon Emd | Rancho Cucamonga | Bare Printed Circuit Board Manufacturing |
| Vacmet, Inc. | Rancho Cucamonga | Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables |
| Micrometals, Inc | Anaheim | Capacitor, Resistor, Coil, Transformer, and Other Inductor Manufacturing |
| Medtronic Minimed | Northridge | Electromedical and Electrotherapeutic Apparatus Manufacturing |
| So Cal Edison Co | Stanton | Bare Printed Circuit Board Manufacturing |
| Johanson Dielectrics Inc | Sylmar | Capacitor, Resistor, Coil, Transformer, and Other Inductor Manufacturing |
| Mc Connell Cabinets Inc | La Puente | Instrument Manufacturing for Measuring and Testing Electricity |
| Dionex Corporation | Sunnyvale | Analytical Laboratory Instrument Manufacturing |
| Phenomenex Bldg 1 | Torrance | Analytical Laboratory Instrument Manufacturing |
| Formfactor Inc | Livermore | Semiconductor and Related Device Manufacturing |
| Cepheid | Sunnyvale | Analytical Laboratory Instrument Manufacturing |
| Systron Donner Inertial | Concord | Other Electronic Component Manufacturing |
| Applied Materials Inc Arques Campus | Sunnyvale | Bare Printed Circuit Board Manufacturing |
| Jsr Micro Inc | Sunnyvale | Bare Printed Circuit Board Manufacturing |
| Agilent Technologies Incorporated | Santa Clara | Totalizing Fluid Meter and Counting Device Manufacturing |
| Infinera Corp | Sunnyvale | Semiconductor and Related Device Manufacturing |
| Teledyne Imaging Sensors | Camarillo | Semiconductor and Related Device Manufacturing |
| Westak | Sunnyvale | Bare Printed Circuit Board Manufacturing |
| Winonics Inc DBA Bench 2 Bench | Fullerton | Bare Printed Circuit Board Manufacturing |
| B & C Plating Co | Los Angeles | Electronic Computer Manufacturing |
| Casco Circuits Inc | Chatsworth | Bare Printed Circuit Board Manufacturing |
| Cordova Printed Circuits | Milpitas | Bare Printed Circuit Board Manufacturing |
| Form Factor | Livermore | Semiconductor and Related Device Manufacturing |
| Honeywell International | Santa Clara | Other Electronic Component Manufacturing |
| Novacap Incorporated | Valencia | Capacitor, Resistor, Coil, Transformer, and Other Inductor Manufacturing |
| Sanmina | Costa Mesa | Bare Printed Circuit Board Manufacturing |
| Accurate Engineering, Inc. | Sun Valley | Bare Printed Circuit Board Manufacturing |
| Barry Controls | Burbank | Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing |
| Cirtech Incorporated | Orange | Bare Printed Circuit Board Manufacturing |
| GE Industrial Sensing | Fremont | Semiconductor and Related Device Manufacturing |
| Global Communication Semiconductors, Inc | Torrance | Semiconductor and Related Device Manufacturing |
| Sanmina - Plant # 1 | San Jose | Bare Printed Circuit Board Manufacturing |
| South Coast Circuits, Inc. | Santa Ana | Bare Printed Circuit Board Manufacturing |
| Tayco Engineering, Inc | Cypress | Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing |
| The Gas Co./ Sempra Energy | Pico Rivera | Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables |
| Tower Semiconductor | Newport Beach | Semiconductor and Related Device Manufacturing |
| Viavi | Santa Rosa | Electronic Connector Manufacturing |
| 3M Canoga Park | Canoga Park | Bare Printed Circuit Board Manufacturing |
| Accurate Circuit Engineering | Santa Ana | Computer Storage Device 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
- San Jose: 270
- San Diego: 169
- Santa Clara: 164
- Fremont: 148
- Sunnyvale: 112
- Milpitas: 101
By product code
- Bare Printed Circuit Board Manufacturing (NAICS 334412): 15 of those shown
- Semiconductor and Related Device Manufacturing (NAICS 334413): 7 of those shown
- Capacitor, Resistor, Coil, Transformer, and Other Inductor Manufacturing (NAICS 334416): 3 of those shown
- Analytical Laboratory Instrument Manufacturing (NAICS 334516): 3 of those shown
- Other Electronic Component Manufacturing (NAICS 334419): 2 of those shown
- Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing (NAICS 334511): 2 of those shown
- Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables (NAICS 334513): 2 of those shown
- Electronic Computer Manufacturing (NAICS 334111): 1 of those shown
- Computer Storage Device Manufacturing (NAICS 334112): 1 of those shown
- Electronic Connector Manufacturing (NAICS 334417): 1 of those shown
- Electromedical and Electrotherapeutic Apparatus Manufacturing (NAICS 334510): 1 of those shown
- Totalizing Fluid Meter and Counting Device Manufacturing (NAICS 334514): 1 of those shown
- Instrument Manufacturing for Measuring and Testing Electricity (NAICS 334515): 1 of those shown
All computers and electronics manufacturing in California: 3,150 facilities and Census job counts.