Facility	City	Industry	Status	Distance
Holliday Rock CO INC	Upland	Asphalt Paving Mixture and Block Manufacturing 324121	UNVERIFIED	1.5 KM
Calmat CO (owner)	Upland	Ready-Mix Concrete Manufacturing 327320	UNVERIFIED	1.9 KM
Holliday Rock Co., INC	Upland	Asphalt Paving Mixture and Block Manufacturing 324121	UNVERIFIED	4.5 KM
Jensen Enterprises INC Dba Jensen Precast	Ontario	Other Concrete Product Manufacturing 327390	UNVERIFIED	6.3 KM
South West Concrete Products	Ontario	Ready-Mix Concrete Manufacturing 327320	UNVERIFIED	6.3 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 — 2 FEDERAL SOURCES, 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 TRIS · EPA site type STATIONARY.

Source	Evidence	First seen	Last seen
EPA TRI	OPERATING	DEC 2023	DEC 2023
EPA FRS	EXISTENCE	JUN 2016	JUN 2016

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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