Facility	City	Industry	Status	Distance
Silentium Defense Corporation	Ashburn	Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing 334511	ACTIVE	0.9 KM
Hanley Energy	Ashburn	Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals 334515	LIKELY ACTIVE	1.3 KM
Foster & Freeman USA INC	Ashburn	Analytical Laboratory Instrument Manufacturing 334516	LIKELY ACTIVE	1.8 KM
Morcom International, INC	Ashburn	Telephone Apparatus Manufacturing 334210	ACTIVE	1.8 KM
Dtc Communications, INC.	Ashburn	Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing 334220	ACTIVE	1.9 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 sources hold this plant, and 3 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.

OSHA injury and illness reportsOPERATING
Record 1440833 · first seen DEC 2025 · last seen DEC 2025
DOL Form 5500 retirement plan filingsOPERATING
Record 541794938|VA|20147|20700 loudoun county pkwy · first seen JUN 2025 · last seen JUN 2025

IN LOUDOUN COUNTY20 other plants share this one’s industry (Navigational, Measuring, Electromedical, and Control Instruments Manufacturing, NAICS 3345); 5 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.

Coordinates: Census geocoder: 39.045721527506,-77.45022615467 · JUL 2026
Employees (band): OSHA: 1-19 · DEC 2025
Retirement plan filing (Form 5500): DOL: 0 active participants, plan year ending 2025-06-30, 2 plan(s) · JUN 2025

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