Facility	City	Industry	Status	Distance
M&r Engineering CO Dba S&h Glenco Manufacturing	Ontario	Precision Turned Product Manufacturing 332721	UNVERIFIED	0.1 KM
Glenco Manfacturing CO	Ontario	Precision Turned Product Manufacturing 332721	UNVERIFIED	0.1 KM
Sierra Torque Converters,dba Nasir Kassa	Ontario	Machine Shops 332710	UNVERIFIED	0.1 KM
Primos Machine Shop LLC	Ontario	Machine Shops 332710	UNVERIFIED	0.2 KM
Tower Industries INC	Ontario	Machine Shops 332710	ACTIVE	1.5 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 — 4 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 BR, CA-ENVIROVIEW, HWTS-DATAMART, NPDES, RCRAINFO, TRIS · EPA site type STATIONARY.

Source	Evidence	First seen	Last seen
OSHA ITA	OPERATING	DEC 2025	DEC 2025
EPA ECHO	OPERATING	JAN 2024	JAN 2024
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
EMPLOYEE BAND	OSHA ITA	DEC 2025
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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