Semiconductor Hardware startups in Southern California

Revel builds software for hardware companies; aimed at the firmware and device-software layer of connected products.

Omnitron sensors provides sensor technology.

Kneron develops and provides edge AI-based integrated software and hardware for a variety of industries.

Cosemi Technologies Inc. is an Irvine; California-based company founded in 2006.

Gigajot Technology Inc. develops photon-counting CMOS Quanta Image Sensors for ultra-low-light and high-dynamic-range imaging.

Solarflare Communications; formerly Level 5 Networks; was an Irvine; California company founded in 2001 that made ultra-low-latency network interface cards and the Onload application-acceleration soft

Ring makes internet-connected home security hardware - video doorbells; security cameras and Wi-Fi extenders - paired with an app that lets an owner see and speak to whoever is at the door. Founded in

Mems Drive Inc. is a Pasadena; California-based company founded in 2014.

WiSpry is an Irvine; California fabless RF-semiconductor company founded in 2002 by Jeff Hilbert. It develops RF MEMS tunable capacitors; antenna-tuning components and evaluation systems for smaller w

U.S-based Cisco subsidiary designing fabless silicon photonics semiconductors.

Axiom Microdevices is an Irvine; California-based semiconductor company founded in 2002.

pSemi designs and manufactures RF; power-management and sensor integrated circuits for consumer electronics and communications infrastructure. It is a subsidiary of Japan's Murata Manufacturing.

Silicon Wave is a San Diego-based semiconductor company.

Sift is the unified observability platform for mission-critical hardware—ingest, store, and analyze telemetry at scale across aerospace, defense, and robotics.

SeeDevice pioneers SWIR (Short-Wave Infrared) vision technology using its patented QMOS™ silicon-CMOS image sensor for applications like ADAS/AV, thermal imaging, 3D depth sensing, and biometrics.

Modern and intuitive avionics. Our hardware and software are designed from the ground up using state-of-the-art UI/UX technology to create beautiful and safe avionics.

Tenovi remote patient monitoring 40+ FDA-cleared hardware devices power RPM and RTM programs with the first plug-and-play Cellular Gateway.

OpenLight Photonics is a company that provides custom Photonic Application Specific Integrated Circuits (PASIC) design enablement, inhouse design, and production using its silicon photonics technology.

Qolab is a quantum hardware company that engineers industrial-grade superconducting QPUs (quantum processing units) for useful computation through advanced semiconductor manufacturing.

Zymbit Resilient Edge Stack makes Linux devices more secure, reliable and recoverable. Trusted software and hardware that grows with your business.

Type III, Inc. designs and manufactures advanced mobility and communications hardware and accessories, offering engineering consulting and contract manufacturing services.

Pi Energy has developed innovative technology that combines standard and novel components to create flexible silicon solar that can be ultra-thin, easily installed on most surfaces, and can capture more energy per day than conventional silicon PV.

Nano porous silicon particles for controlled release drug delivery for the treatment of ocular diseases such AMD and for application to oncology

Craitor builds the production layer for critical hardware, deployed where it is needed, aiming to manufacture sovereignty.

Toshiba America Electronic Components is the North American electronic components arm of Toshiba; established in 1989.

Mirai Labs provides models, runtime, and infrastructure to make on-device AI interactive, ambient, and continuous, specifically co-designing models and runtime for Apple Silicon.

We make Silicon on the Moon.

Northwood Space is building a global ground network for space communications by providing hardware that deploys in hours, software that orchestrates contacts, and a network that moves data from spacecraft to customer.