Facility	City	Industry	Status	Distance
Microsemi INC	Santa Clara	Semiconductor and Related Device Manufacturing 334413	UNVERIFIED	0.0 KM
Microsemi CORP. - Rf Power Products	Santa Clara	Semiconductor and Related Device Manufacturing 334413	LIKELY ACTIVE	0.0 KM
Wavesplitter Technologies, INC	Santa Clara	Semiconductor and Related Device Manufacturing 334413	UNVERIFIED	0.1 KM
Micro-chem INC	Santa Clara	Bare Printed Circuit Board Manufacturing 334412	UNVERIFIED	0.1 KM
Promex Industries INC	Santa Clara	Semiconductor and Related Device Manufacturing 334413	ACTIVE	0.1 KM

Every listed plant in Santa Clara County

Also at this address

1 other record shares this street address. Separate filings can describe distinct businesses on one site, or the same plant recorded by different agencies, so every record is kept rather than merged away.

Micro-chem INC

Santa Clara, CA

UNVERIFIED334412

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 RCRAINFO · EPA site type STATIONARY.

Source	Evidence	First seen	Last seen
OSHA ITA	OPERATING	DEC 2025	DEC 2025
EPA FRS	EXISTENCE	APR 2024	APR 2024

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	CENSUS GEOCODER	JUL 2026
GEOM	EPA FRS	JUL 2026
NAME	EPA FRS	JUL 2026
STATE	EPA FRS	JUL 2026

Status is computed from independent sources; nothing here is self-reported unless marked Claimed.

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