California Steel Industries
1 California Steel Way, Fontana, CA 92335
LIKELY ACTIVELAST SEEN IN FEDERAL DATA DEC 2025 · 2 SOURCES
Operating signal within 24 months, or from a single source.
What they make
Iron and Steel Mills and Ferroalloy Manufacturing331110Where it is
34.08116, -117.49851 · CENSUS TIGER
COUNTY
METRO AREA
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Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| California Steel Industries INC | Fontana | Iron and Steel Mills and Ferroalloy Manufacturing 331110 | UNVERIFIED | 0.7 KM |
| Shawcor Pipe Protection LLC. | Fontana | Iron and Steel Mills and Ferroalloy Manufacturing 331110 | UNVERIFIED | 1.3 KM |
| Kaiser Commerce Center | Fontana | Iron and Steel Mills and Ferroalloy Manufacturing 331111 | UNVERIFIED | 2.4 KM |
| Schlosser Forge Company Rancho Plant #2 | Fontana | Iron and Steel Mills and Ferroalloy Manufacturing 331110 | UNVERIFIED | 3.4 KM |
| Gerdau | Rancho Cucamonga | Iron and Steel Mills and Ferroalloy Manufacturing 331110 | UNVERIFIED | 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 FEDERAL SOURCES, 7 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.
EPA cross-references this facility in OSHA-OIS, RCRAINFO · EPA site type STATIONARY.
| Source | Evidence | First seen | Last seen |
|---|---|---|---|
| OSHA ITA | OPERATING | DEC 2025 | DEC 2025 |
| EPA FRS | EXISTENCE | SEP 2018 | SEP 2018 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| ADDRESS LINE1 | EPA FRS | JUL 2026 |
| CITY | EPA FRS | JUL 2026 |
| EMPLOYEE BAND | OSHA ITA | DEC 2025 |
| GEOM | EPA FRS | JUL 2026 |
| NAME | EPA FRS | JUL 2026 |
| RCRA GENERATOR STATUS | EPA ECHO | SEP 2026 |
| STATE | EPA FRS | JUL 2026 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.