Facility	City	Industry	Status	Distance
Ortel, a Division of Emcore	Alhambra	Semiconductor and Related Device Manufacturing 334413	UNVERIFIED	1.1 KM
Hiefo Corporation	Alhambra	Semiconductor and Related Device Manufacturing 334413	LIKELY ACTIVE	1.1 KM
Lucent Technologies	Alhambra	Semiconductor and Other Electronic Component Manufacturing 334411	UNVERIFIED	1.1 KM
Ortel CORP Unit No 03	Alhambra	Semiconductor and Related Device Manufacturing 334413	UNVERIFIED	1.5 KM
Spatron INC	Los Angeles	Capacitor, Resistor, Coil, Transformer, and Other Inductor Manufacturing 334416	UNVERIFIED	2.2 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 — 1 FEDERAL SOURCE, 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 RCRAINFO · EPA site type STATIONARY.

Source	Evidence	First seen	Last seen
EPA FRS	EXISTENCE	MAY 2023	MAY 2023

FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT

FIELD	SOURCE	SIGNAL
ADDRESS LINE1	EPA FRS	JUL 2026
CITY	EPA FRS	JUL 2026
GEOM	CENSUS GEOCODER	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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