Northrop Grumman Systems Corporation

What they make

Where it is

Other plants nearby

Facility	City	Industry	Status	Distance
Melco Steel INC	Azusa	Fabricated Structural Metal Manufacturing 332312	● ACTIVE	0.7 KM
PIPhaostron Instrument and Electronic Company	Azusa	Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals 334515	◐ LIKELY ACTIVE	0.8 KM
Lindsey Manufacturing CO	Azusa	Fabricated Structural Metal Manufacturing 332312	● ACTIVE	1.0 KM
Eldaeon INC.	Azusa	Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing 334511	● ACTIVE	1.1 KM
Inflatable 2000, INC.	Azusa	Doll, Toy, and Game Manufacturing 339930	● ACTIVE	1.1 KM

Every listed plant in Los Angeles County

Also at this address

1 other record shares this street address. Separate filings can describe distinct businesses on one site, or the same plant recorded by different agencies, so every record is kept rather than merged away.

Where this record comes from

2 sources hold this plant, and 8 fields on this page come from them. Each line is one agency’s own record of it: the identifier it is filed under, whether that record shows the plant operating or only that it exists, and when the register first and last saw it there.

EPA cross-references this facility in CA-CERS, CA-ENVIROVIEW, HWTS-DATAMART, ICIS, NCDB, NPDES, RCRAINFO, SEMS · EPA site type STATIONARY.

• SAM.gov entity registrationOPERATING
  Record U6V4EWXNS1D8 · first seen NOV 2025 · last seen JUL 2026
• EPA Facility Registry ServiceEXISTENCE
  Record 110000621293 · first seen JUN 2017 · last seen JUN 2017

ALSO RECORDED ASNORTHRUP GRUMMAN ELECTRONIC SYSTEMS

IN LOS ANGELES COUNTY338 other plants share this one’s industry (Navigational, Measuring, Electromedical, and Control Instruments Manufacturing, NAICS 3345); 74 of them have a size band on record.

What each source says

Every field below, as each source filed it. The value this page shows is marked; where the sources disagree, the field says so. Status is computed from independent sources; nothing here is self-reported unless marked Claimed.

NameSOURCES DISAGREE

EPA: NORTHRUP GRUMMAN ELECTRONIC SYSTEMS · JUL 2026

SAM.gov: NORTHROP GRUMMAN SYSTEMS CORPORATION · JUL 2026 · ON THIS PAGE

Street addressSOURCES DISAGREE

EPA: 1100 WEST HOLLYVALE STREET · JUL 2026

SAM.gov: 1100 W HOLLYVALE ST · JUL 2026 · ON THIS PAGE

City

EPA: AZUSA · JUL 2026 · ON THIS PAGE

SAM.gov: AZUSA · JUL 2026 · ON THIS PAGE

State

EPA: CA · JUL 2026 · ON THIS PAGE

SAM.gov: CA · JUL 2026 · ON THIS PAGE

County (FIPS code)

EPA: 06037 · SEP 2026

CoordinatesSOURCES DISAGREE

Census geocoder: 34.127146758277,-117.923044188722 · JUL 2026 · ON THIS PAGE

EPA: 34.127214,-117.922177 · JUL 2026

CAGE code

SAM.gov: 70143 · JUL 2026

SAM registration expires

SAM.gov: 2027-07-09 · JUL 2026