HF San Ramon CA
4550 Norris Canyon Rd, San Ramon, CA 94583
LIKELY ACTIVELAST SEEN IN FEDERAL DATA DEC 2025 · 1 SOURCE
Operating signal within 24 months, or from a single source.
What they make
Electromedical and Electrotherapeutic Apparatus Manufacturing334510Where it is
37.77343, -121.96776 · CENSUS TIGER
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Giga-tronics, INC | San Ramon | Totalizing Fluid Meter and Counting Device Manufacturing 334514 | UNVERIFIED | 0.0 KM |
| Gemini Consultants INC | San Ramon | Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals 334515 | ACTIVE | 0.4 KM |
| Rheosense INC | San Ramon | Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables 334513 | UNVERIFIED | 0.7 KM |
| Aerotest Operations, INC. | San Ramon | Power Boiler and Heat Exchanger Manufacturing 332410 | LIKELY ACTIVE | 1.1 KM |
| Alpha Guardian Networks, LLC | San Ramon | Other Communications Equipment Manufacturing 334290 | ACTIVE | 1.8 KM |
Also at this address
No other federal record shares this street address.
WHERE THIS RECORD COMES FROM — 1 FEDERAL SOURCE, 2 FIELDS
Every fact on this page traces to a public federal filing. The table below names which register holds this facility, whether that register proves the plant operates or only that it exists, and when each of them last saw it.
| Source | Evidence | First seen | Last seen |
|---|---|---|---|
| OSHA ITA | OPERATING | DEC 2025 | DEC 2025 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| EMPLOYEE BAND | OSHA ITA | DEC 2025 |
| GEOM | CENSUS GEOCODER | JUL 2026 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.