Sierra Assembly Technology LLC
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This company sells these brands.
Sierra Assembly manufactures and assembles printed circuit boards (PCBs) in California, offering services including PCB fabrication, assembly, testing, and inspection across multiple PCB types such as rigid flex, HDI, ceramic, flexible, and multilayer boards. The company serves industries including aerospace and satellite, defense, medical, telecommunications, automotive, consumer electronics, industrial electronics, and others. The company performs processes including SMT assembly, through-hole assembly, conformal coating, X-ray inspection, in-circuit testing, and box build assembly.
What they make
Certifications
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Sierra Assembly Technology LLC | Chino | CA | — | ACTIVE |
Compiled from federal records — EPA, OSHA, SAM.gov and the U.S. Census — and from the company’s own website. Federal source data is public domain. Each plant’s page names the source of every field.






