Facility	City	Industry	Status	Distance
Lockheed Martin Corporation	Palmdale	Aircraft Manufacturing 336411	ACTIVE	0.0 KM
Northrop Grumman Air Force Plant 42 Site 8	Palmdale	Aircraft Manufacturing 336411	UNVERIFIED	1.0 KM
Northrop Grumman, Palmdale B500	Palmdale	Aircraft Manufacturing 336411	UNVERIFIED	1.2 KM
Northrop Grumman Site 7	Palmdale	Aircraft Manufacturing 336411	UNVERIFIED	2.6 KM
US Air Force Plant 42 - Boeing	Palmdale	Aircraft Manufacturing 336411	UNVERIFIED	2.9 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.

Lockheed Martin Corporation

Palmdale, CA

ACTIVE336411

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 AIR, AIRS/AFS, CA-CERS, CA-ENVIROVIEW, EIS, EPS, HWTS-DATAMART, NCDB, OSHA-OIS, RCRAINFO, TRIS, TSCA · EPA site type STATIONARY.

Source	Evidence	First seen	Last seen
OSHA ITA	OPERATING	DEC 2025	DEC 2025
EPA FRS	EXISTENCE	OCT 2015	AUG 2024

FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT

FIELD	SOURCE	SIGNAL
ADDRESS LINE1	EPA FRS	JUL 2026
CITY	EPA FRS	JUL 2026
EMPLOYEE BAND	OSHA ITA	DEC 2025
GEOM	CENSUS GEOCODER	JUL 2026
GEOM	EPA FRS	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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