Sonic Manufacturing Technologies
47931 Westinghouse Dr, Fremont, CA 94539
Present in a source dataset, with no recent operating signal.
What they make
Bare Printed Circuit Board Manufacturing334412- machining
- assembly solutions
- aerospace
- defense
- space exploration
- nuclear energy
- oilfield
- hydraulics
- deep sea exploration
- Government Contracts
- medical
NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Dawn Vme Products | Fremont | Electronic Computer Manufacturing 334111 | ACTIVE | 0.0 KM |
| R&m USA INC | Fremont | Electronic Connector Manufacturing 334417 | LIKELY ACTIVE | 0.1 KM |
| Microwave Technology INC | Fremont | Semiconductor and Related Device Manufacturing 334413 | ACTIVE | 0.3 KM |
| Alta Manufacturing, INC. | Fremont | Printed Circuit Assembly (Electronic Assembly) Manufacturing 334418 | LIKELY ACTIVE | 0.4 KM |
| Oncore Manufacturing Services Dba Neotech | Fremont | Printed Circuit Assembly (Electronic Assembly) Manufacturing 334418 | LIKELY ACTIVE | 0.4 KM |
Also at this address
No other federal record shares this street address.
Where this record comes from
1 source holds this plant, and 7 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 RCRAINFO · EPA site type STATIONARY.
- EPA Facility Registry ServiceEXISTENCERecord 110070480273 · first seen JAN 2019 · last seen JAN 2019
IN ALAMEDA COUNTY228 other plants share this one’s industry (Semiconductor and Other Electronic Component Manufacturing, NAICS 3344); 44 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: SONIC MANUFACTURING TECHNOLOGIES · OCT 2026
- Street address
- EPA: 47931 WESTINGHOUSE DR · OCT 2026
- City
- EPA: FREMONT · OCT 2026
- State
- EPA: CA · OCT 2026
- County (FIPS code)
- EPA: 06001 · OCT 2026
- Coordinates
- EPA: 37.475449,-121.924155 · OCT 2026
- Hazardous waste generator (RCRA)
- EPA ECHO: none · OCT 2026


