Northrop Grumman
1111 W 3rd St - Bldg 160 in Basement, Azusa, CA 91702
UNVERIFIEDLAST SEEN IN FEDERAL DATA — · 1 SOURCE
Present in a source dataset, with no recent operating signal.
What they make
Aircraft Manufacturing336411Where it is
34.12721, -117.92218 · CENSUS TIGER
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Northrop Grumman Systems Corporation | Azusa | Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing 334511 | LIKELY ACTIVE | 0.1 KM |
| Airmark Plastics CORP | Azusa | Other Aircraft Parts and Auxiliary Equipment Manufacturing 336413 | LIKELY ACTIVE | 0.8 KM |
| Phaostron Instrument and Electronic Company | Azusa | Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals 334515 | LIKELY ACTIVE | 0.8 KM |
| Chipmasters Mfg | Azusa | Other Aircraft Parts and Auxiliary Equipment Manufacturing 336413 | UNVERIFIED | 1.0 KM |
| Chipmasters Mfg | Azusa | Other Motor Vehicle Parts Manufacturing 336390 | UNVERIFIED | 1.0 KM |
Also at this address
No other federal record shares this street address.
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 BR, OSHA-OIS, TRIS.
| 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 | SEP 2026 |
| CITY | EPA FRS | SEP 2026 |
| GEOM | EPA FRS | SEP 2026 |
| NAME | EPA FRS | SEP 2026 |
| STATE | EPA FRS | SEP 2026 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.