Top California Semiconductor Startups (40)
Luminus is a vertically integrated, fast-growing high-tech company that engages in high-power Light-Emitting-Diode (LED) solid-state lighting, lasers, and SiC power semiconductors for a variety of application areas, including industrial UV, IR, medical, projection displays, high-end illumination lighting, horticulture lighting, grid energy storage, EV and automotive industries. Luminus is at the forefront of the ongoing solid-state lighting revolution and SiC power...
Atomica Corp. unleashes the power of Micro Electro-Mechanical Systems (MEMS) to help solve the great problems of our time. Utilizing a uniquely collaborative approach to development and manufacturing, it partners with innovative companies to deliver breakthrough MEMS-based solutions in cloud computing, autonomous vehicles, cell therapy, molecular diagnostics, genomics, 5G, the Internet of Things (IoT), and more. Atomica is the largest...
Baya Systems is driving the next wave of foundational chiplet-based, high-performance, and modular semiconductor systems, with a focus on best-in-class on-chip fabric and communication technologies. By enabling seamless interoperability across a diverse array of industry-standard protocols, Baya Systems empowers best-of-breed compute, communication, and I/O solutions to work together. This approach enhances performance, yield, reusability, composability, development time and cost-efficiency. Named...
At EUV Tech, we enable the frontiers of semiconductor manufacturing and material science through the development of world-leading EUV and soft X-ray instrumentation and techniques.
Pivotal Systems provides best-in-class smart flow monitoring and process control technology designed for the global semiconductor and high-tech industries. Pivotal’s portfolio includes its patented Gas Flow Controllers (GFC™) and Flow Ratio Controllers (FRC). At Pivotal Systems, we aim to enhance fab productivity and capital efficiency with our innovative solutions.
Atomic Semi is building a small, fast semiconductor fab. We’ll build the tools ourselves then quickly push them to more advanced geometries. We’re building a small team of exceptional, hands-on engineers to make this happen.
We produce AI-designed analog chips. Our AI-based designs are faster and more optimized, enabling us to produce custom chips at scale. This means that customers can get the chip they want, not just what's on offer. We are a team of chip designers and AI engineers, who are bringing our skills together to transform electronics.
Bolt Graphics is a semiconductor startup building the fastest and most efficient graphics processors. Power consumption continues to rise with minimal performance improvements, resulting in increased cost and negative environmental impact. Hardware hasn’t kept up with consumer expectations, especially in industries like architecture, engineering, film, advertising, gaming, & scientific research. Our customers came to us to solve their two main problems:...
ElevATE is a leading supplier of innovative, low power, high density components for the design of next generation Automated Test Equipment (ATE). With a proven track record of consistently delivering the highest density, lowest power solutions available, systems designed around ElevATE products have a competitive advantage in the ATE market space and are able to adapt successfully to emerging trends...
At Multiscale AI, we’re revolutionizing semiconductor manufacturing with advanced, agentic AI. We partner with leading semiconductor manufacturers to tackle their most complex Semiconductor Manufacturing Process Optimization (SMPO) challenges. Our platform combines Bayesian digital twins, purpose-built ML models, and AI agents to extract actionable insights from limited silicon data and physics simulations. By unifying fragmented data, delivering domain-optimized ML, and enabling scalable, fab-ready...
Noribachi is a high technology company focused on lighting digitalization. We design, manufacture and sell industrial LED lighting products and digital displays. In only six years since inception, we have sold over 30,000 installations to 3,000 customers worldwide. We have been named to the Inc. 5000, Forbes list of America’s Most Promising Companies, Deloitte’s Technology Fast 500 and the Los...
Efabless enables non-hardware experts to create the electronics required for intelligent, connected products. Efabless offers a unique process where users can rapidly, cost-effectively and easily create electronics from community-developed building blocks and open design patterns, called templates. We provide everything needed to do this: - Marketplace & request process - Library of building blocks and open designs - Design tools - Manufacturing technology and services We employ multiple models...
InnoPhase, a fabless semiconductor company, specializes in ultra-low-power wireless connectivity solutions for IoT products. Its award-winning Talaria TWO™ Wi-Fi modules with BLE5 enable battery-based, intelligent, always-on, cloud-connected IoT products by increasing battery-life performance up to 8x current solutions with its patented digital radio design. It is ideal for remote security cameras, video doorbells, connected sensors, wearables, lossless audio, and other...
Magnum Semiconductor is a leading provider of silicon, modules, software and IP for the professional broadcast infrastructure market. Magnum provides top of the line products, tools and technologies for the entire video content creation and distribution chain, from contribution and production through distribution over cable, Satellite and IPTV to Over-the-Top video streaming. Magnum Semiconductor is headquartered in Milpitas, California, with...
Roviero has created AI Processor accelerator IP and associated software stack as a solution that scales across multiple applications. Roviero has solved the ultimate problem of scalability, programmability, power consumption with a hybrid approach to Hardware-Software. The IP is available today to integrate into our customer's SOC. Roviero is delivering FPGA based platforms today along with the software. The FPGA platform...
Morse Micro is a fast-growing fabless semiconductor company developing Wi-Fi HaLow solutions for the Internet of Things (IoT) market that can reach 10x the range of conventional Wi-Fi technology and last many years on a single battery. The company was founded by Wi-Fi pioneers and innovators, Michael De Nil and Andrew Terry, joined by the original Wi-Fi inventor Prof. Neil...
Providing premiere CMP and grinding technology to critical growth markets such as power, RF communications, LED, MEMS, solar,.
Corigine is a leading provider of I/O and Networking product IPs and ASICs. Founded in 2015, the company is led by a team of renowned silicon professionals that have innovated and brought forth new generations of products in semiconductor industry. Corigine has design locations in Santa Clara, California and in Shanghai and Nanjing, China.
Achronix Semiconductor Corporation is a fabless semiconductor corporation based in Santa Clara, California, offering high-performance FPGA solutions. Achronix is the only supplier to have both high-performance and high-density standalone FPGAs and embedded FPGA (eFPGA) solutions in high-volume production. Achronix FPGA and eFPGA IP offerings are further enhanced by ready-to-use PCIe accelerator cards targeting AI, ML, networking and data center applications....
Arc Machines, Inc. (AMI), designs, manufactures and distributes state-of-the-art and highly sophisticated automated orbital welding equipment for the power generation, oil & gas, semiconductor, aerospace, high purity, and other industries. Founded in 1976, AMI is headquartered in Pacoima, CA with offices in Houston, TX, Switzerland, Germany, UK, and India. An expansive network of domestic and international representatives allows AMI to...

































