Printed circuit board manufacturers in California
California has 508 PCB makers in EPA records, facilities that list codes for bare printed circuit boards and assembled circuit boards. The most are in San Jose, Santa Clara and Fremont. That is 40% of the 1,277 such facilities nationwide, and California ranks first of 46 states.
- Product
- Printed circuit board manufacturers
- Facilities
- 508
- State rank
- #1
- NAICS
- 334412, 334418
- Revised
- November 1, 2026
Facilities in California
These are active facilities in EPA's ECHO database that list a code for bare printed circuit boards and assembled circuit boards. 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 |
| So Cal Edison Co | Stanton | Bare Printed Circuit Board Manufacturing |
| Applied Materials Inc Arques Campus | Sunnyvale | Bare Printed Circuit Board Manufacturing |
| Jsr Micro Inc | Sunnyvale | Bare Printed Circuit Board Manufacturing |
| Westak | Sunnyvale | Bare Printed Circuit Board Manufacturing |
| Winonics Inc DBA Bench 2 Bench | Fullerton | Bare Printed Circuit Board Manufacturing |
| Casco Circuits Inc | Chatsworth | Bare Printed Circuit Board Manufacturing |
| Cordova Printed Circuits | Milpitas | Bare Printed Circuit Board Manufacturing |
| Sanmina | Costa Mesa | Bare Printed Circuit Board Manufacturing |
| Accurate Engineering, Inc. | Sun Valley | Bare Printed Circuit Board Manufacturing |
| Cirtech Incorporated | Orange | Bare Printed Circuit Board Manufacturing |
| Sanmina - Plant # 1 | San Jose | Bare Printed Circuit Board Manufacturing |
| South Coast Circuits, Inc. | Santa Ana | Bare Printed Circuit Board Manufacturing |
| 3M Canoga Park | Canoga Park | Bare Printed Circuit Board Manufacturing |
| Cartel Electronics, Inc | Placentia | Bare Printed Circuit Board Manufacturing |
| Fineline Circuits & Technology, Inc | Brea | Bare Printed Circuit Board Manufacturing |
| Isu Petasys Corp. | Sylmar | Bare Printed Circuit Board Manufacturing |
| Murrietta Circuits | Anaheim | Bare Printed Circuit Board Manufacturing |
| Valley Syncom Circuits | Santa Clarita | Bare Printed Circuit Board Manufacturing |
| Winonics Brea | Brea | Bare Printed Circuit Board Manufacturing |
| A & C Electronics | Northridge | Bare Printed Circuit Board Manufacturing |
| Apct Inc | Santa Clara | Bare Printed Circuit Board Manufacturing |
| Basic Electronics Inc | Garden Grove | Bare Printed Circuit Board Manufacturing |
| Bay Area Circuits | Fremont | Bare Printed Circuit Board Manufacturing |
| Circuit Services LLC DBA Career Technologies Chatsworth Facility | Chatsworth | Bare Printed Circuit Board Manufacturing |
| Cirexx International Incorporated | Santa Clara | Bare Printed Circuit Board Manufacturing |
| Coast To Coast Circuits, Inc. (Ca Operations) | Huntington Beach | Bare Printed Circuit Board Manufacturing |
| Flex Interconnect Technologies | Milpitas | Bare Printed Circuit Board Manufacturing |
| Gorilla Circuits | San Jose | Bare Printed Circuit Board Manufacturing |
| Harbor Electronics Inc | Santa Clara | Bare Printed Circuit Board Manufacturing |
| Select Circuits | Santa Ana | Bare Printed Circuit Board Manufacturing |
| Sierra Proto Express | Sunnyvale | Bare Printed Circuit Board Manufacturing |
| Streamline Circuits | Santa Clara | Bare Printed Circuit Board Manufacturing |
| Transline Technology Inc | Anaheim | Bare Printed Circuit Board Manufacturing |
| Ttm Technologies North America, LLC | Anaheim | Bare Printed Circuit Board Manufacturing |
| US Circuit Inc | Escondido | Bare Printed Circuit Board Manufacturing |
| Voltage Multipliers Inc | Visalia | Printed Circuit Assembly (Electronic Assembly) Manufacturing |
| Young Electronics | Chatsworth | Bare Printed Circuit Board Manufacturing |
| A&m Electronics | Valencia | Bare Printed Circuit Board 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: 72
- Santa Clara: 40
- Fremont: 36
- Milpitas: 31
- Santa Ana: 30
- San Diego: 23
By product code
- Bare Printed Circuit Board Manufacturing (NAICS 334412): 39 of those shown
- Printed Circuit Assembly (Electronic Assembly) Manufacturing (NAICS 334418): 1 of those shown
All computers and electronics manufacturing in California: 3,150 facilities and Census job counts.