Facility	City	Industry	Status	Distance
Mechanical Work Center	Sterling	Guided Missile and Space Vehicle Manufacturing 336414	UNVERIFIED	0.4 KM
Blue Vigil LLC	Sterling	Commercial, Industrial, and Institutional Electric Lighting Fixture Manufacturing 335132	ACTIVE	0.5 KM
Northrop Grumman Systems CORP - Space Superiority Division	Sterling	Guided Missile and Space Vehicle Manufacturing 336414	UNVERIFIED	0.9 KM
Defense Technology Equipment, INC.	Sterling	Precision Turned Product Manufacturing 332721	ACTIVE	2.0 KM
Dowty Sterling VA	Sterling	Other Aircraft Parts and Auxiliary Equipment Manufacturing 336413	LIKELY ACTIVE	2.7 KM

Every listed plant in Loudoun County

Also at this address

No other federal record shares this street address.

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, CEDS, ICIS, NCDB, RCRAINFO, TRIS · EPA site type STATIONARY.

Source	Evidence	First seen	Last seen
EPA FRS	EXISTENCE	OCT 2016	OCT 2016
EPA ECHO	OPERATING	AUG 2006	AUG 2006

FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT

FIELD	SOURCE	SIGNAL
ADDRESS LINE1	EPA FRS	JUL 2026
CITY	EPA FRS	JUL 2026
GEOM	EPA FRS	JUL 2026
NAME	EPA FRS	JUL 2026
RCRA GENERATOR STATUS	EPA ECHO	AUG 2026
STATE	EPA FRS	JUL 2026

Status is computed from independent sources; nothing here is self-reported unless marked Claimed.

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