Mercury Systems
48025 Fremont Blvd, Fremont, CA 94538
A closure has been reported but not corroborated.
- Plant closing notice effective MAR 31, 2026 · 18 employees · filed JAN 30, 2026 · Closure Permanent — this notice is why the plant is listed as reported closed
Notices filed with the state under the federal WARN Act, as the state publishes them, collected by the WARN Act notices feed (CC BY 4.0). A notice records what the employer told the state; it is not by itself proof that the plant closed.
What they make
Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals334515Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Ichor Systems INC | Fremont | Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables 334513 | LIKELY ACTIVE | 0.2 KM |
| Jem America CORP | Fremont | Semiconductor and Related Device Manufacturing 334413 | LIKELY ACTIVE | 0.2 KM |
| Coagusense | Fremont | Irradiation Apparatus Manufacturing 334517 | LIKELY ACTIVE | 0.5 KM |
| Tci International, INC | Fremont | Other Communications Equipment Manufacturing 334290 | ACTIVE | 0.5 KM |
| Nova Measuring Instruments INC. | Fremont | Semiconductor Machinery Manufacturing 333242 | ACTIVE | 0.6 KM |
Also at this address
No other federal record shares this street address.
Where this record comes from
2 sources hold 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.
- State WARN plant-closing and layoff noticesCLOSUREfirst seen MAR 2026 · last seen MAR 2026
- EPA Facility Registry ServiceEXISTENCERecord 110072008701 · first seen SEP 2025 · last seen SEP 2025
IN ALAMEDA COUNTY194 other plants share this one’s industry (Navigational, Measuring, Electromedical, and Control Instruments Manufacturing, NAICS 3345); 41 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: MERCURY SYSTEMS · OCT 2026
- Street address
- EPA: 48025 FREMONT BLVD · OCT 2026
- City
- EPA: FREMONT · OCT 2026
- State
- EPA: CA · OCT 2026
- County (FIPS code)
- EPA: 06001 · OCT 2026
- Coordinates
- EPA: 37.470186,-121.937801 · OCT 2026
- Hazardous waste generator (RCRA)
- EPA ECHO: none · OCT 2026