Operating signal within 12 months from two or more independent sources.
What they make
Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing334220- microelectronics PCBs
- PCB assembly
- component sourcing
- testing
- tools
- aerospace
- defense
NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026
Products
Recorded against the company rather than this address. Federal award and drug records name the company, not the plant, so we cannot say which of its sites makes these.
Where these came from
Open positions
Openings read from Sierra Circuits, INC.’s own job board on ADP, last checked OCT 26, 2026. FactoryRegistry does not host applications — each title opens the posting where the company published it.
- Fabrication Operator - TraineeSunnyvale, CA, Sunnyvale, CA, US · posted OCT 16, 2026
- Fabrication Operator - TraineeSunnyvale, CA, Sunnyvale, CA, US · posted OCT 16, 2026
- Fabrication Operator - TraineeSunnyvale, CA, Sunnyvale, CA, US · posted OCT 16, 2026
- Chemical Handler- TraineeSunnyvale, CA, US · posted OCT 8, 2026
- Chemical Handler- TraineeSunnyvale, CA, US · posted OCT 8, 2026
- X - Section Lab TechnicianSunnyvale, CA, US · posted OCT 7, 2026
- QC InspectorSunnyvale, CA, US · posted OCT 3, 2026
- QC InspectorSunnyvale, CA, US · posted SEP 30, 2026
- Quality ManagerSunnyvale, CA, US · posted SEP 24, 2026
- Equipment Maintenance TechnicianSunnyvale, CA, US · posted AUG 29, 2026
- Jr. Applications Engineerposted OCT 9, 2026
- DFA EngineerSan Jose, CA, US · posted AUG 12, 2026
- Mechanical AssemblerSan Jose, CA, US · posted JUL 23, 2026
- Touch UP Rework OperatorSan Jose, CA, US · posted JUL 23, 2026
- SPI and Print OperatorSan Jose, CA, US · posted JUL 23, 2026
- Assembly Quoting Specialist 1San Jose, CA, US · posted JUL 15, 2026
- AOI Programmer 3San Jose, CA, US · posted JUL 10, 2026
- SPI and Print OperatorSan Jose, CA, US · posted JUL 10, 2026
- Touch UP Rework OperatorSan Jose, CA, US · posted JUL 10, 2026
- Backend LeadSan Jose, CA, US · posted JUL 10, 2026
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Meta Technologies INC | Mountain View | Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing 334220 | UNVERIFIED | 1.3 KM |
| Eridan Communications INC | Sunnyvale | Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing 334220 | ACTIVE | 1.5 KM |
| Yallip, INC. | Sunnyvale | Electronic Computer Manufacturing 334111 | LIKELY ACTIVE | 2.8 KM |
| Vmi, INC. | Sunnyvale | Audio and Video Equipment Manufacturing 334310 | ACTIVE | 2.9 KM |
| Oso Semiconductor INC. | Mountain View | Semiconductor and Related Device Manufacturing 334413 | LIKELY ACTIVE | 2.8 KM |
Also at this address
No other federal record shares this street address.
Where this record comes from
5 sources hold this plant, and 11 fields on this page come from them. Each line is one agency’s own record of it: the identifier it is filed under, whether that record shows the plant operating or only that it exists, and when the register first and last saw it there.
EPA cross-references this facility in CARB-TCH, EIS, TRIS · EPA site type STATIONARY.
- The company’s own websiteOPERATINGfirst seen JUL 2026 · last seen OCT 2026
- SAM.gov entity registrationOPERATINGRecord ECTJB433GHK9 · first seen SEP 2025 · last seen SEP 2026
- OSHA injury and illness reportsOPERATINGRecord 1460724 · first seen DEC 2025 · last seen DEC 2025
- EPA Facility Registry ServiceEXISTENCERecord 110071741471 · first seen DEC 2015 · last seen AUG 2024
- SBA 7(a) and 504 loan recordsEXISTENCEfirst seen SEP 2011 · last seen SEP 2011
IN SANTA CLARA COUNTY137 other plants share this one’s industry (Communications Equipment Manufacturing, NAICS 3342); 14 of them have a size band on record.
What each source says
Every field below, as each source filed it. The value this page shows is marked; where the sources disagree, the field says so. Status is computed from independent sources; nothing here is self-reported unless marked Claimed.
- Name
- EPA: SIERRA CIRCUITS INC · JUL 2026 · ON THIS PAGE
- SAM.gov: SIERRA CIRCUITS, INC. · SEP 2026 · ON THIS PAGE
- Street addressSOURCES DISAGREE
- EPA: 1108 W EVELYN STREET · JUL 2026
- SAM.gov: 1108 W EVELYN AVE · SEP 2026 · ON THIS PAGE
- City
- EPA: SUNNYVALE · JUL 2026 · ON THIS PAGE
- SAM.gov: SUNNYVALE · SEP 2026 · ON THIS PAGE
- State
- EPA: CA · JUL 2026 · ON THIS PAGE
- SAM.gov: CA · SEP 2026 · ON THIS PAGE
- County (FIPS code)
- EPA: 06085 · SEP 2026
- CoordinatesSOURCES DISAGREE
- Census geocoder: 37.384438018266,-122.049139142207 · JUL 2026 · ON THIS PAGE
- EPA: 37.38309,-122.04772 · JUL 2026
- Employees (band)
- OSHA: 100-499 · DEC 2025
- Website
- SAM.gov: http://www.protoexpress.com · SEP 2026
- CAGE code
- SAM.gov: 0ZHS4 · SEP 2026
- SAM registration expires
- SAM.gov: 2027-09-16 · SEP 2026
- SBA loans
- SBA: 7a loan x2 · SEP 2011