Ngms-q953

What they make

Where it is

Other plants nearby

Facility	City	Industry	Status	Distance
NGNorthrop Grumman Systems CORP -troy Hill 4	Elkridge	Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing 334511	◇ UNVERIFIED	0.2 KM
NGNorthrop Grumman Systems Corporation - Troy Hill 1	Elkridge	Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing 334511	◐ LIKELY ACTIVE	0.6 KM
TFTeledyne Flir Defense, INC.	Elkridge	Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing 334511	◐ LIKELY ACTIVE	0.6 KM
Proex Services LLC	Elkridge	Other Fabricated Wire Product Manufacturing 332618	● ACTIVE	1.8 KM
Phillips Corporation	Hanover	Machine Tool Manufacturing 333517	● ACTIVE	2.1 KM

Every listed plant in Howard County

Also at this address

No other federal record shares this street address.

Where this record comes from

1 source holds this plant, and 2 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 603986 · first seen DEC 2025 · last seen DEC 2025

IN HOWARD COUNTY36 other plants share this one’s industry (Navigational, Measuring, Electromedical, and Control Instruments Manufacturing, NAICS 3345); 13 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: 39.19506687737,-76.751203483573 · JUL 2026

Employees (band)

OSHA: 500+ · DEC 2025