Facility	City	Industry	Status	Distance
Ampex Data Systems Corporation	Hayward	Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables 334513	ACTIVE	0.9 KM
Etec Systems INC	Hayward	Semiconductor Machinery Manufacturing 333242	UNVERIFIED	0.9 KM
Opticnet INC	Hayward	Semiconductor and Related Device Manufacturing 334413	UNVERIFIED	1.0 KM
Melrose Nameplate and Label Company, INC.	Hayward	Commercial Screen Printing 323113	ACTIVE	1.1 KM
Thermionics Laboratory, INC.	Hayward	Semiconductor Machinery Manufacturing 333242	ACTIVE	1.0 KM

Every listed plant in Alameda 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 EIS · EPA site type STATIONARY.

Source	Evidence	First seen	Last seen
EPA FRS	EXISTENCE	JUN 2017	AUG 2024
SBA LOANS	EXISTENCE	MAY 2016	MAY 2016

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
SBA LOAN	SBA LOANS	MAY 2016
STATE	EPA FRS	JUL 2026

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

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