Stellant Systems

Founded in 2021, Stellant Systems is a defense subsystem manufacturer based in Torrance, United States working in space, communications & satcom.

Stellant Systems is a manufacturer of RF and microwave amplification products, including traveling-wave tubes and amplifiers, solid-state high-power amplifiers, microwave power modules, active and passive components, and related electron devices. Its products serve space, defense, medical, scientific, industrial, wireless and satellite communications markets, with defense customers including prime contractors and government research organisations. The company operates manufacturing facilities in Torrance and Folsom, California, Williamsport, Pennsylvania, and Topsfield and Melville in the northeastern United States, and reports approximately 1,100 employees. Stellant Systems was established in 2021, succeeding the L3Harris Electron Devices and Narda Microwave-West businesses, and traces its heritage to earlier engineering laboratories founded in 1932 and 1959. The company is owned by Arlington Capital Partners and states that it follows U.S. export control regulations, including the EAR and ITAR. It holds ISO 9001:2015 and AS9100:2016 certifications.