Facility	City	Industry	Status	Distance
Northrop Grumman Systems Corporation	Northridge	Guided Missile and Space Vehicle Manufacturing 336414	ACTIVE	0.0 KM
Ngds-ca23	Northridge	Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing 334511	LIKELY ACTIVE	0.0 KM
Electrical Grid Monitoring USA INC.	Chatsworth	Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals 334515	ACTIVE	0.5 KM
Teledyne Electronic Systems	Northridge	Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing 334511	UNVERIFIED	0.6 KM
Litton Guidance and Control Sy	Northridge	Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing 334511	UNVERIFIED	0.6 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.

Alliant Techsystems Operations LLC

Northridge, CA

ACTIVE334419

Northrop Grumman International Trading, INC

LIKELY ACTIVE334511EMP 500+

WHERE THIS RECORD COMES FROM — 1 FEDERAL SOURCE, 5 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 OSHA-OIS.

Source	Evidence	First seen	Last seen
EPA FRS	EXISTENCE	SEP 2018	SEP 2018

FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT

FIELD	SOURCE	SIGNAL
ADDRESS LINE1	EPA FRS	JUL 2026
CITY	EPA FRS	JUL 2026
GEOM	CENSUS GEOCODER	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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