QuinStar Technology, Inc.
Defense and Space ManufacturingCalifornia, United States51-200 Employees
QuinStar Technology, Inc. is a mid-sized defense and space technology company based in Torrance, California, focusing on millimeter-wave solutions. It maintains ISO 9001:2015 and AS 9100D certifications, underscoring formal quality management across its manufacturing and product development activities. The company provides a spectrum of offerings from standard catalog components to high-performance RF signal generation, amplification, and conditioning devices, as well as fully integrated and customized subsystems for digital and analog sensing, communications, quantum computing, and testing applications. QuinStar serves a global customer base spanning government research and development programs, spaceflight missions with high reliability requirements, and commercial networks. In May 2026, QuinStar was recognized as a top supplier at Northrop Grumman's Supplier Excellence Awards, reflecting its role in supporting national security through strategic defense partnerships.