Operating signal within 12 months from two or more independent sources.
What they make
Current-Carrying Wiring Device Manufacturing335931- custom cables
- cable harnesses
- electromechanical assemblies
- cable design
- electromechanical design
- contract manufacturing
- electric vehicle
- medical device
- semiconductor industries
NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Xp Power LLC | San Jose | All Other Miscellaneous Electrical Equipment and Component Manufacturing 335999 | ACTIVE | 0.4 KM |
| Fujikura America INC | San Jose | Electronic Connector Manufacturing 334417 | ACTIVE | 0.6 KM |
| Allied Telesis, INC. | San Jose | Other Communications Equipment Manufacturing 334290 | LIKELY ACTIVE | 0.9 KM |
| Seocal, Incorporated | San Jose | Semiconductor Machinery Manufacturing 333242 | ACTIVE | 1.3 KM |
| Modulight Usa, INC | San Jose | All Other Miscellaneous Electrical Equipment and Component Manufacturing 335999 | ACTIVE | 2.2 KM |
Also at this address
No other federal record shares this street address.
Where this record comes from
2 sources hold this plant, and 8 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.
- The company’s own websiteOPERATINGfirst seen JUL 2026 · last seen OCT 2026
- SAM.gov entity registrationOPERATINGRecord SQPKJMTWJUQ8 · first seen JAN 2026 · last seen JAN 2026
IN SANTA CLARA COUNTY89 other plants share this one’s industry (Other Electrical Equipment and Component Manufacturing, NAICS 3359); 21 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
- SAM.gov: SIENNA DYNAMICS, INC. · JAN 2026
- Street address
- SAM.gov: 105 BONAVENTURA DR · JAN 2026
- City
- SAM.gov: SAN JOSE · JAN 2026
- State
- SAM.gov: CA · JAN 2026
- Coordinates
- Census geocoder: 37.390152898281,-121.92688174596 · JUL 2026
- Website
- SAM.gov: www.siennadynamics.com · JAN 2026
- CAGE code
- SAM.gov: 8MGH0 · JAN 2026
- SAM registration expires
- SAM.gov: 2027-01-05 · JAN 2026


