Facility	City	Industry	Status	Distance
Don Wolf & Associates, INC.	Chatsworth	Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables 334513	ACTIVE	3.1 KM
Materials Development Corporation	Chatsworth	Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals 334515	ACTIVE	3.0 KM
Natel Engineering Company, LLC	Chatsworth	Semiconductor and Related Device Manufacturing 334413	ACTIVE	3.0 KM
Condor Pacific Ind INC	Canoga Park	Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing 334511	UNVERIFIED	2.8 KM
Mid-continent Instrument Co, INC.	Chatsworth	Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing 334511	ACTIVE	3.4 KM

Every listed plant in Los Angeles County

Also at this address

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

One Lambda, INC.

West Hills, CA

ACTIVE325413

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 NPDES, RCRAINFO · EPA site type STATIONARY.

Source	Evidence	First seen	Last seen
EPA ECHO	OPERATING	JUN 2021	JUN 2021
EPA FRS	EXISTENCE	JAN 2019	JAN 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	SEP 2026
STATE	EPA FRS	JUL 2026

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

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