Company Information

55 Charles Lindbergh Blvd #2
Uniondale, NY, 11553 United States
(516) 794-4500 †

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Frequency Electronics, Inc. (FEI) lets the good times roll. The company makes quartz-, rubidium-, and cesium-based time and frequency control products, such as oscillators and amplifiers, used to synchronize voice, data, and video transmissions in satellite and wireless communications. The US military uses its products for navigation, communications, surveillance, and timing systems in aircraft, satellites, radar, and missiles. Though FEI has diversified into commercial markets, nearly half of its sales still come from the US government. Other top clients include AT&T , Lockheed Martin , Northrop Grumman , and Thales Alenia Space. The company was formed in 1961 as a time and frequency control R&D firm.

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