Facility	City	Industry	Status	Distance
Ontario	Ontario	Frozen Specialty Food Manufacturing 311412	LIKELY ACTIVE	0.1 KM
Heitman Brooks Ii, LLC.	Ontario	Other Concrete Product Manufacturing 327390	UNVERIFIED	1.7 KM
Jensen Enterprises INC Dba Jensen Precast	Ontario	Ready-Mix Concrete Manufacturing 327320	UNVERIFIED	1.8 KM
Western States Wholesale INC Dba Patio Industries	Ontario	Cement Manufacturing 327310	UNVERIFIED	2.0 KM
Auburn Tile	Ontario	Concrete Pipe Manufacturing 327332	UNVERIFIED	2.4 KM

Every listed plant in San Bernardino County

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.

Ontario

Ontario, CA

LIKELY ACTIVE311412EMP 100-499

WHERE THIS RECORD COMES FROM — 3 FEDERAL SOURCES, 6 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 CA-ENVIROVIEW, NPDES, RCRAINFO, TRIS · EPA site type STATIONARY.

Source	Evidence	First seen	Last seen
EPA TRI	OPERATING	DEC 2023	DEC 2023
EPA ECHO	OPERATING	NOV 2023	NOV 2023
EPA FRS	EXISTENCE	JUN 2018	JUN 2018

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
RCRA GENERATOR STATUS	EPA ECHO	AUG 2026
STATE	EPA FRS	JUL 2026

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

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