Frequency Electronics INC

55 Charles Lindbergh Boulevard, Uniondale, NY 11553

LIKELY ACTIVELAST SEEN IN FEDERAL DATA DEC 2025 · 4 SOURCES

Operating signal within 24 months, or from a single source.

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Their homepage, crawled JUL 2026

What they make

Other Electronic Component Manufacturing334419

electronic warfare subsystems
rubidium clocks
quartz oscillators
synthesizers
JADC2 solutions
GPS receivers

NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026

Products

Sold by FREQUENCY ELECTRONICS INC · 7

Electrical And Electronic Assemblies, Boards, Cards, And Associated Hardware · Electrical Hardware And Supplies · Electronic Modules · Miscellaneous Aircraft Accessories And Components · Navigational Instruments · Oscillators And Piezoelectric Crystals · Time Measuring Instruments

Recorded against the company rather than this address. Federal award and drug records name the company, not the plant, so we cannot say which of its sites makes these.

Where these came from

7 from usaspending_psc · Federal registry

Supplied under federal award SPRRA225F0021 (2025-08-12), PSC . An award shows what the government bought from this company; it does not establish which of its sites made it.

Where it is

40.72263, -73.60328 · CENSUS TIGER

COUNTY

Nassau County

METRO AREA

New York-Newark-Jersey City, NY-NJ

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STREET VIEW

Open street-level view — JUL 2019

Other plants nearby

Facility	City	Industry	Status	Distance
Durabrite, INC.	Garden City	Commercial, Industrial, and Institutional Electric Lighting Fixture Manufacturing 335132	ACTIVE	1.6 KM
Vishay General Semiconductor	Westbury	Semiconductor and Related Device Manufacturing 334413	UNVERIFIED	4.1 KM
Applied Power Systems, INC.	Hicksville	All Other Miscellaneous Electrical Equipment and Component Manufacturing 335999	ACTIVE	6.3 KM
Semitronics CORP	Freeport	Semiconductor and Related Device Manufacturing 334413	ACTIVE	7.4 KM
Keystone Electronics CORP	New Hyde Park	Hardware Manufacturing 332510	ACTIVE	5.9 KM

Every listed plant in Nassau County

Also at this address

No other federal record shares this street address.

Where this record comes from

4 sources hold this plant, and 9 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 FIS, RCRAINFO · EPA site type STATIONARY.

OSHA injury and illness reportsOPERATING
Record 1413929 · first seen DEC 2025 · last seen DEC 2025
DOL Form 5500 retirement plan filingsOPERATING
Record 111986657|NY|11553|55 charles lindberg blvd · first seen DEC 2024 · last seen DEC 2024
EPA ECHO compliance recordsOPERATING
first seen JUN 2023 · last seen JUN 2023
EPA Facility Registry ServiceEXISTENCE
Record 110000905860 · first seen JUL 2013 · last seen JUL 2013

IN NASSAU COUNTY23 other plants share this one’s industry (Semiconductor and Other Electronic Component Manufacturing, NAICS 3344); 8 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.

Name: EPA: FREQUENCY ELECTRONICS INC · OCT 2026
Street address: EPA: 55 CHARLES LINDBERGH BOULEVARD · OCT 2026
City: EPA: UNIONDALE · OCT 2026
State: EPA: NY · OCT 2026
County (FIPS code): EPA: 36059 · OCT 2026
Coordinates: EPA: 40.72263,-73.60328 · OCT 2026
Employees (band): OSHA: 100-499 · DEC 2025
Retirement plan filing (Form 5500): DOL: 229 active participants, plan year ending 2024-12-31, 1 plan(s) · DEC 2024
Hazardous waste generator (RCRA): EPA ECHO: SQG · OCT 2026

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