Facility	City	Industry	Status	Distance
Crown City Plating CO	El Monte	Electroplating, Plating, Polishing, Anodizing, and Coloring 332813	UNVERIFIED	0.2 KM
Hermetic Seal Corporation	Rosemead	Electroplating, Plating, Polishing, Anodizing, and Coloring 332813	ACTIVE	0.3 KM
Navcom Defense Electronics INC	El Monte	Forging and Stamping 332116	UNVERIFIED	0.9 KM
Applied Coatings & Linings INC.	El Monte	Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers 332812	UNVERIFIED	2.5 KM
Supreme Steel Treating	South El Monte	Metal Heat Treating 332811	LIKELY ACTIVE	3.2 KM

Every listed plant in Los Angeles County

Also at this address

No other federal record shares this street address.

WHERE THIS RECORD COMES FROM — 2 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 AIR, AIRS/AFS, BR, CA-ENVIROVIEW, EIS, HWTS-DATAMART, ICIS, RCRAINFO, TRIS · EPA site type STATIONARY.

Source	Evidence	First seen	Last seen
EPA FRS	EXISTENCE	JUN 2017	AUG 2024
EPA ECHO	OPERATING	MAR 2007	MAR 2007

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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