Top California Hardware Startups (259)

Headquartered in sunny Los Angeles, GrayMatter Robotics is an AI robotics company that builds the factories of the future today, empowering people, creating safer workplaces, and shaping a more prosperous society. We build next-generation factories that transcend human constraints, driving exponential productivity and sustainable economic growth. Our technology brings together robotics, Physical AI, and human ingenuity to create intelligent systems...

Doodle Labs designs and produces industrial-grade wireless networking solutions. The company focuses on mesh networking for robotic systems, providing high throughput, long-range Mesh Rider solutions for UAVs, UGVs, AMRs and other robotic applications. The company’s Helix Mesh Rider Radio was developed with sponsorship from DIU and is the Blue UAS program’s datalink of choice. Doodle Labs was named one of Fast...

Turion Space is building the infrastructure to secure and sustain the future of space. Founded to address the growing need for space domain awareness, in-space servicing, and debris mitigation, Turion designs, builds, and operates spacecraft with real-world operational capability. Our vehicles are built for national security and commercial missions that require speed, autonomy, and resilience. We believe the next chapter of...

Red 6 is an innovative Augmented Reality (AR) technology startup leading the way in synthetic air combat training. Our primary technology, supporting our ATARS product, enables pilots to simulate the cognitive challenges of flying while accessing realistic, scalable training in dynamic outdoor environments

Radiant is a clean energy startup building a nuclear microreactor. A climate-friendly alternative to diesel generators, Radiant's Kaleidos 1MW microreactor will be the world's first portable, zero-emissions power source that works anywhere. We plan to test our development reactor by 2026 and if successful, it will be the first new commercial reactor design to achieve a fueled test in over...

Zoo develops modern tools for hardware design, including first-of-their-kind professional CAD platform, enhanced with ML through Text-to-CAD. Its flagship product is Zoo Design Studio, modeling software that serves as the central hub of a broader CAD ecosystem which includes innovative tools like Text-to-CAD and a suite of enterprise-ready CAD APIs for developers. Zoo’s products are built using its proprietary geometry...

We specialize on integrated connectivity, advanced timing, and signal integrity solutions for the computing, communications, and consumer market segments. Our technology offers system design solutions to the challenges presented by high-bandwidth, high-speed serial protocols. Our standards-compliant products enable signal integrity, switching, bridging and timing of high-speed signals for specific protocols such as PCI Express, SATA, SAS, USB, DisplayPort, HDMI/DVI, GbE,...

Samara Aerospace is revolutionizing satellite design by addressing the challenges of deploying and managing large satellite constellations. Our innovative Hummingbird spacecraft bus offers a modular and scalable platform that streamlines satellite production and deployment, significantly reducing launch costs. Hummingbird's compact architecture maximizes launch capacity, making it the most efficient and agile spacecraft in the industry. At the core of our...

Fidus specializes in leading-edge electronic product development. Our hardware, software, FPGA and signal integrity teams architect, design and deliver next-generation products for clients in emerging technology markets. We build long-term relationships by consistently exceeding expectations. Since 2001, Fidus has completed nearly 3000+ projects for 400+ customers in a variety of industries. By leveraging in-house expert knowledge and utilizing industry leading tools,...

Every company wants to change the world, and we are doing it. Skylo moves the world’s machine data from sensors to our satellite network and then delivers information to customers through our immersive interface. And we deliver that satellite connectivity affordably (at a monthly cost that’s less than a cup of coffee or chai). The connectivity drives real-time data which,...

We are an engineering consulting and design firm specializing in custom electronics and end-to-end electronic systems. We develop cross-disciplined solutions and products to help solve some of the world’s most difficult problems by optimizing solutions beyond the first order. Our team members have industrial experience developing power converters, motor controllers, analog sensor drivers, RF amplifiers, antennas, mixed signal circuits, and embedded...

Parasail is the first AI Deployment Network built for the new era of open and scalable AI. We connect teams to the world’s largest pool of on-demand GPU compute—giving AI builders fast, flexible, and cost-efficient infrastructure to deploy and scale models without contracts, quotas, or cloud complexity. From real-time inference to massive batch jobs, Parasail intelligently matches workloads across a global...

i3D.net is a global operating high performance hosting provider. We are specialized in global game hosting for publishers and developers. With i3D.net's own low-latency network and global coverage we also offer solutions for Enterprises and IT Service providers.

Sofar connects the world's oceans to power a more sustainable future. Sofar unlocks ocean data at scale. We deployed hundreds of Spotters globally to create the world’s largest privately-owned network of ocean sensors that collects 1.5 million real-time observations daily. Our team of ocean scientists assimilates this real-time data into our marine weather forecasts, which are up to 50% more...

Rigetti Computing is building the world’s most powerful computers to help solve humanity’s most pressing and important problems. These systems will perform computations that today’s fastest supercomputers are incapable of — unlocking entirely new classes of problems and offering a direct path to solutions. We believe quantum computing is going to significantly affect health care, how we treat disease, how...

Brilliant NextGen is transforming the smart home experience for builders, home owners, smart home professionals, and condos/apartment residents and property managers. Our award winning, all-in-one control hardware and platform, mobile app and connected ecosystem make it easy for integrators, builders, and homeowners to create beautifully designed, easily approachable intelligent living spaces. With a focus on design, simplicity, and performance, we’re...

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.

Lumafield is here to make it possible for humanity to solve our hardest problems as quickly as possible. Lumafield has developed the world's first accessible X-Ray CT scanner for engineers. Lumafield’s easy-to-use scanner and cloud-based software give engineers the ability to see their work clearly, inside and out, at an extremely affordable price. Engineers make million-dollar decisions every day, and they...

Axiado Corporation is a security processor company redefining hardware root of trust with hardware-based security technologies, including per-system AI. Its solution with Secure Vault™ boot system and Secure AI™ engine solution eliminates breaches at the perimeter of existing cloud infrastructures, networks, and IoT devices.

Advanced automation will make aircraft safer, more available, more affordable and fundamentally transformative to the way goods and people move around the planet. Starting with a certification-forward approach, Reliable Robotics first demonstrated gate-to-gate fully automated operation of a Part 23 aircraft and is now working towards commercialization of technologies for Part 23 cargo and Part 25 passenger vehicles.