Facility	City	Industry	Status	Distance
Johanson Dielectrics INC	Sylmar	Semiconductor and Other Electronic Component Manufacturing 334414	UNVERIFIED	0.4 KM
Qpc Lasers, INC.	Rancho Cascades	Semiconductor and Related Device Manufacturing 334413	ACTIVE	1.3 KM
Laser Operations LLC	Rancho Cascades	Semiconductor and Related Device Manufacturing 334413	ACTIVE	1.3 KM
J & M Products, INC	San Fernando	Hardware Manufacturing 332510	ACTIVE	2.0 KM
Industrial Electronic Engineers, INC.	Sylmar	Other Electronic Component Manufacturing 334419	LIKELY ACTIVE	1.9 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 — 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 BR, CA-ENVIROVIEW, EIS, HWTS-DATAMART, NPDES, RCRAINFO, TRIS · EPA site type STATIONARY.

Source	Evidence	First seen	Last seen
EPA ECHO	OPERATING	FEB 2025	FEB 2025
EPA FRS	EXISTENCE	JUN 2017	AUG 2024
EPA TRI	OPERATING	DEC 2023	DEC 2023

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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