Facility	City	Industry	Status	Distance
Fontana Plant #4	Fontana	Ready-Mix Concrete Manufacturing 327320	LIKELY ACTIVE	0.5 KM
Robertson's Ready Mix INC	Fontana	Ready-Mix Concrete Manufacturing 327320	UNVERIFIED	0.5 KM
Cemex Fontana Plant	Fontana	Ready-Mix Concrete Manufacturing 327320	UNVERIFIED	1.1 KM
Ameron Steel Fabrication Division	Fontana	Concrete Pipe Manufacturing 327332	UNVERIFIED	1.1 KM
Creative Stone Mfg, INC Dba Coronado Stone Products	Fontana	Concrete Block and Brick Manufacturing 327331	UNVERIFIED	1.4 KM

Every listed plant in San Bernardino County

Also at this address

No other federal record shares this street address.

WHERE THIS RECORD COMES FROM — 1 FEDERAL SOURCE, 5 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 CARB-TCH, EIS · EPA site type STATIONARY.

Source	Evidence	First seen	Last seen
EPA FRS	EXISTENCE	JUN 2017	AUG 2024

FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT

FIELD	SOURCE	SIGNAL
ADDRESS LINE1	EPA FRS	JUL 2026
CITY	EPA FRS	JUL 2026
GEOM	EPA FRS	JUL 2026
NAME	EPA FRS	JUL 2026
STATE	EPA FRS	JUL 2026

Status is computed from independent sources; nothing here is self-reported unless marked Claimed.

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