Facility	City	Industry	Status	Distance
Sierra Circuits, INC.	Sunnyvale	Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing 334220	ACTIVE	0.0 KM
Ampro Corporation INC	Mountain View	Semiconductor and Related Device Manufacturing 334413	UNVERIFIED	0.5 KM
Leap Photovoltaics INC	Mountain View	Semiconductor and Related Device Manufacturing 334413	UNVERIFIED	0.5 KM
Terecircuits Corporation	Mountain View	Printed Circuit Assembly (Electronic Assembly) Manufacturing 334418	UNVERIFIED	0.5 KM
Astral Materials INC	Mountain View	Semiconductor and Related Device Manufacturing 334413	UNVERIFIED	0.5 KM

Every listed plant in Santa Clara 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 CA-CERS, CA-ENVIROVIEW, HWTS-DATAMART, RCRAINFO, TRIS · EPA site type STATIONARY.

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

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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