Facility	City	Industry	Status	Distance
Ddh Enterprise INC Ddh2	Vista	Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals 334515	UNVERIFIED	0.2 KM
Electro Surface Technologies INC	Vista	Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals 334515	UNVERIFIED	0.5 KM
Tempo Communications, INC.	Vista	Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals 334515	ACTIVE	0.6 KM
Leidos INC	Vista	Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing 334511	UNVERIFIED	0.6 KM
Lorser Industries INC	Vista	Electronic Computer Manufacturing 334111	ACTIVE	0.8 KM

Every listed plant in San Diego County

Also at this address

More than one federal record exists for this street address. The primary record for the site is listed first.

Diagnostics : Leica Biosystems (Aperio) - Vista

Vista, CA

LIKELY ACTIVE339112EMP 100-499

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 2022	MAY 2022

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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