Facility	City	Industry	Status	Distance
Northrop Grumman Systems Corporation - Troy Hill 1	Elkridge	Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing 334511	LIKELY ACTIVE	0.0 KM
Northrop Grumman Systems CORP -troy Hill 4	Elkridge	Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing 334511	UNVERIFIED	0.5 KM
Ngms-q953	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	1.3 KM
Phillips Corporation	Hanover	Machine Tool Manufacturing 333517	ACTIVE	2.6 KM

Every listed plant in Howard County

Also at this address

1 other record shares this street address. Separate filings can describe distinct businesses on one site, or the same plant recorded by different agencies, so every record is kept rather than merged away.

Teledyne Flir Defense, LLC

Elkridge, MD

LIKELY ACTIVE334511

Where this record comes from

2 sources hold this plant, and 8 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 BR, RCRAINFO · EPA site type STATIONARY.

SAM.gov entity registrationOPERATING
Record VEM6L3BCUJ51 · first seen JUL 2025 · last seen JUL 2025
EPA Facility Registry ServiceEXISTENCE
Record 110067546070 · first seen APR 2016 · last seen APR 2016

ALSO RECORDED ASTELEDYNE FLIR DEFENSE

IN HOWARD COUNTY36 other plants share this one’s industry (Navigational, Measuring, Electromedical, and Control Instruments Manufacturing, NAICS 3345); 14 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.

NameSOURCES DISAGREE: EPA: TELEDYNE FLIR DEFENSE · JUL 2026; SAM.gov: TELEDYNE FLIR DEFENSE, INC. · JUL 2025 · ON THIS PAGE
Street addressSOURCES DISAGREE: EPA: 7055 TROY HILL DR, STE 300 · JUL 2026; SAM.gov: 7055 TROY HILL DR STE B · JUL 2025 · ON THIS PAGE
City: EPA: ELKRIDGE · JUL 2026 · ON THIS PAGE; SAM.gov: ELKRIDGE · JUL 2025 · ON THIS PAGE
State: EPA: MD · JUL 2026 · ON THIS PAGE; SAM.gov: MD · JUL 2025 · ON THIS PAGE
County (FIPS code): EPA: 24027 · SEP 2026
Coordinates: Census geocoder: 39.200236783755,-76.753822970807 · JUL 2026 · ON THIS PAGE; EPA: 39.20038,-76.7545 · JUL 2026 · ON THIS PAGE
CAGE code: SAM.gov: 5JHA8 · JUL 2025
SAM registration expires: SAM.gov: 2026-07-29 · JUL 2025

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