Facility	City	Industry	Status	Distance
Pi Variables, INC.	Tustin	Other Communications Equipment Manufacturing 334290	ACTIVE	0.2 KM
Zymo Research Corp., a California corporation	Tustin	Analytical Laboratory Instrument Manufacturing 334516	UNVERIFIED	0.3 KM
Southwest Aerospace Corporatio	Tustin	Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing 334511	UNVERIFIED	0.3 KM
Design West Technologies INC	Tustin	Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing 334511	ACTIVE	0.7 KM
Intepro Systems America, LP	Tustin	Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals 334515	ACTIVE	0.8 KM

Every listed plant in Orange 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 BR, CA-ENVIROVIEW, HWTS-DATAMART, NPDES, RCRAINFO · EPA site type STATIONARY.

Source	Evidence	First seen	Last seen
EPA FRS	EXISTENCE	AUG 2020	AUG 2024
EPA ECHO	OPERATING	JUL 2019	JUL 2019

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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