Frequency Electronics INC
At a glance
Employees100-499
In business sinceNot reported
HeadquartersMitchel Field, NY
US patents8
SAM.gov UEILQJ8L3UFTVX3
CAGE code14844
Incorporated inDE
LEI549300S56SO2JB5JBE31
- electronic warfare subsystems
- rubidium clocks
- quartz oscillators
- synthesizers
- JADC2 solutions
- GPS receivers
Named on the company’s own website, read JUL 29, 2026
Supplier designations
For Profit OrganizationManufacturer of Goods
Self-certified by the company in its SAM.gov registration
Patents
8 US patents granted 1987–2006, none of them in the five years to SEP 2025.
Basic communication processes 8
- Method for achieving highly reproducible acceleration insensitive quartz crystal oscillatorsUS 7,106,143 · granted SEP 12, 2006
- Precision oven-controlled crystal oscillatorUS 6,753,737 · granted JUN 22, 2004
- Precision oven-controlled crystal oscillatorUS 6,577,201 · granted JUN 10, 2003
- Multimode crystal oscillatorUS 5,309,116 · granted MAY 3, 1994
- Multimode crystal oscillatorUS 5,160,901 · granted NOV 3, 1992
Newest 5 shown · Granted to Frequency Electronics, Inc. · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plants
2 FACILITIES| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Frequency Electronics INC | Mitchel Field | NY | — | ACTIVE |
| Frequency Electronics INC | Uniondale | NY | 100–499 | LIKELY ACTIVE |
Compiled from federal records — EPA, OSHA, SAM.gov and the U.S. Census — and from the company’s own website. Federal source data is public domain. Each plant’s page names the source of every field.


