Hayward Quartz Technology INC
4190 Technology Dr., Fremont, CA 94538
Operating signal within 24 months, or from a single source.
What they make
Other Pressed and Blown Glass and Glassware Manufacturing327212Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| 4010 Business Center Drive | Fremont | Glass Product Manufacturing Made of Purchased Glass 327215 | LIKELY ACTIVE | 0.3 KM |
| Hoya Corporation USA | Fremont | Flat Glass Manufacturing 327211 | UNVERIFIED | 0.7 KM |
| Hayward Quartz Technology | Fremont | Other Pressed and Blown Glass and Glassware Manufacturing 327212 | LIKELY ACTIVE | 2.2 KM |
| 1500 Building | Fremont | Other Pressed and Blown Glass and Glassware Manufacturing 327212 | LIKELY ACTIVE | 2.5 KM |
| Oldcastle Building Envelope | Fremont | Glass Product Manufacturing Made of Purchased Glass 327215 | LIKELY ACTIVE | 3.7 KM |
Also at this address
1 other record shares this street address. Separate filings can describe distinct businesses on one site, or the same plant recorded by different agencies, so every record is kept rather than merged away.
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 CA-CERS, CA-ENVIROVIEW, RCRAINFO · EPA site type STATIONARY.
- OSHA injury and illness reportsOPERATINGRecord 1137502 · first seen DEC 2025 · last seen DEC 2025
- EPA Facility Registry ServiceEXISTENCERecord 110055902019 · first seen OCT 2015 · last seen OCT 2015
IN ALAMEDA COUNTY32 other plants share this one’s industry (Glass and Glass Product Manufacturing, NAICS 3272); 5 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: HAYWARD QUARTZ TECHNOLOGY INC · OCT 2026
- Street address
- EPA: 4190 TECHNOLOGY DR. · OCT 2026
- City
- EPA: FREMONT · OCT 2026
- State
- EPA: CA · OCT 2026
- Coordinates
- EPA: 37.50879,-121.95401 · OCT 2026
- Employees (band)
- OSHA: 100-499 · DEC 2025
- Hazardous waste generator (RCRA)
- EPA ECHO: none · OCT 2026
