Tst INC
11601 Etiwanda Ave, Fontana, CA 92337
Operating signal within 12 months from two or more independent sources.
What they make
Alumina Refining and Primary Aluminum Production331313Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Sierra Aluminum - NAPA | Fontana | Other Aluminum Rolling, Drawing, and Extruding 331318 | LIKELY ACTIVE | 0.5 KM |
| Sierra Aluminum - Bonanza | Fontana | Other Aluminum Rolling, Drawing, and Extruding 331318 | LIKELY ACTIVE | 0.5 KM |
| Sierra Aluminum- Finishing | Fontana | Alumina Refining and Primary Aluminum Production 331313 | LIKELY ACTIVE | 0.6 KM |
| Sierra Aluminum Company | Fontana | Alumina Refining and Primary Aluminum Production 331313 | LIKELY ACTIVE | 0.7 KM |
| Sierra Aluminum - Union | Fontana | Other Aluminum Rolling, Drawing, and Extruding 331318 | LIKELY ACTIVE | 0.7 KM |
Also at this address
No other federal record shares this street address.
Where this record comes from
4 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.
EPA cross-references this facility in AIR, AIRS/AFS, BR, CA-ENVIROVIEW, CEDRI, EPS, HWTS-DATAMART, ICIS, NPDES, RCRAINFO, TRIS, TSCA · EPA site type STATIONARY.
- EPA Facility Registry ServiceEXISTENCERecord 110000479296 · first seen JUL 2020 · last seen JUL 2026
- EPA ECHO compliance recordsOPERATINGfirst seen JAN 2026 · last seen JAN 2026
- OSHA injury and illness reportsOPERATINGRecord 1197024 · first seen DEC 2025 · last seen DEC 2025
- EPA Toxics Release InventoryOPERATINGfirst seen DEC 2023 · last seen DEC 2024
IN SAN BERNARDINO COUNTY15 other plants share this one’s industry (Alumina and Aluminum Production and Processing, NAICS 3313); 6 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: TST INC · OCT 2026
- Street address
- EPA: 11601 ETIWANDA AVE · OCT 2026
- City
- EPA: FONTANA · OCT 2026
- State
- EPA: CA · OCT 2026
- County (FIPS code)
- EPA: 06071 · OCT 2026
- Coordinates
- EPA: 34.044083,-117.521861 · OCT 2026
- Employees (band)
- OSHA: 100-499 · DEC 2025
- Hazardous waste generator (RCRA)
- EPA ECHO: SQG · OCT 2026