Northrop Grumman

• WARN notice · filed MAR 9, 2020 · WARN — recorded; it does not change the status

Notices filed with the state under the federal WARN Act, as the state publishes them, collected by the WARN Act notices feed (CC BY 4.0). A notice records what the employer told the state; it is not by itself proof that the plant closed.

What they make

Where it is

Other plants nearby

Facility	City	Industry	Status	Distance
Blackbar Engineering, LLC	Sierra Vista	Aircraft Manufacturing 336411	◐ LIKELY ACTIVE	3.2 KM
SSSuncat Solar LLC	Elgin	All Other Miscellaneous Electrical Equipment and Component Manufacturing 335999	◐ LIKELY ACTIVE	33.9 KM

Every listed plant in Cochise County

Also at this address

No other federal record shares this street address.

Where this record comes from

3 sources hold this plant, and 7 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 AZURITE, ICIS, RCRAINFO · EPA site type STATIONARY.

• State WARN plant-closing and layoff noticesEXISTENCE
  first seen MAR 2020 · last seen MAR 2020
• EPA Facility Registry ServiceEXISTENCE
  Record 110003410782 · first seen APR 2011 · last seen APR 2011
• EPA ECHO compliance recordsOPERATING
  first seen APR 2009 · last seen APR 2009

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.

Name

EPA: NORTHROP GRUMMAN · NOV 2026

Street address

EPA: 4067 ENTERPRISE WY · NOV 2026

City

EPA: SIERRA VISTA · NOV 2026

State

EPA: AZ · NOV 2026

County (FIPS code)

EPA: 04003 · NOV 2026

Coordinates

EPA: 31.56602,-110.25633 · NOV 2026

Hazardous waste generator (RCRA)

EPA ECHO: VSQG · NOV 2026