QuinStar Technology, Inc.

QuinStar Technology designs and builds millimeter-wave and microwave RF hardware, including waveguides, amplifiers, antennas, receivers, attenuators and custom subsystems. Its customers include aerospace, defense, quantum computing and scientific research organizations, and the company says it works on custom millimeter-wave assemblies and does ongoing R&D on MMIC power amplifiers. Its product lines include solid-state power amplifiers that have flown in space.

Customers request quotes through an online RFQ form on the website. QuinStar lists its address on Garnier Street in Torrance, and it holds ISO 9001:2015 and AS9100D quality certifications. Its products are sold to organizations rather than walk-in customers, so most contact happens by phone or email.