Top California Hardware Startups (313)

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...

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

Treeswift builds physical AI for labor. We use robotics and machine learning to help the people who do real work get more done, starting with the crews who keep the electric grid running,.

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...

At Revel, we are revolutionizing the way the world’s most critical hardware is controlled—across aerospace, automotive, energy, and manufacturing sectors. Our next-generation software stack combines an intuitive command/control interface, a specialized programming language tailored for hardware control, and a high-performance runtime environment. We empower engineers to build, test, and deploy critical systems rapidly, reliably, and safely.

MatX designs hardware tailored for the world’s best AI models: We dedicate every transistor to maximizing performance for large models. For these models, we deliver 10× more computing power, enabling AI labs to make models an order of magnitude smarter and more useful. Our hardware would make it possible to train GPT-4 and run ChatGPT, but on the budget of...

Geneo United develops professional aesthetic technologies designed to regenerate skin non-invasively without downtime. Its flagship Glo2Facial system combines RF Pro for dermal collagen stimulation, Oxfoliation for natural oxygenation and renewal, advanced ultrasound infusion of ingredients, and hands-free massage. The company sells systems and recurring consumables to dermatologists, plastic surgeons, medical spas, and other aesthetic practices, supporting providers with training and...

Centric Business Systems, Inc. is an award winning document management company that specializes in providing the most innovative hardware and software office technology. As one of the largest providers in the nation, Centric offers a full range of products from Sharp, Ricoh and HP. Since 1990, the company has grown in double digits every year. Backed by its unwavering commitment...

TRL11 is a venture-backed aerospace and defense technology company based in Irvine, California. They specialize in developing advanced, space-rated imaging and full-motion video solutions, including cameras and edge processing hardware. Their mission is to bring cutting-edge video technology from the media and entertainment industry into the space economy to support applications such as mission assurance, space domain awareness, and proximity...

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:...

The world brings ever-evolving challenges; SciTec builds solutions. Our forward-thinking approach provides a wide range of services and fully integrated technical support to the defense industry, governmental agencies, and industrial system development firm applications. We empower our scientists, engineers, and developers to deliver cutting-edge, advanced sensor systems, tailor innovative technologies to our customers’ needs quickly from concept to operational reality,...

Life @ElveSpeed: hundred times faster internet access in urban settings and remote locations.

Eridu AI is a Silicon Valley startup focused on accelerating the performance of large AI models. The company is led by a veteran team of Silicon Valley executives and engineers with decades of experience in state-of-the-art semiconductors, systems and software, including serial entrepreneur Drew Perkins, co-founder of Infinera (NASDAQ: INFN), Lightera (acquired by Ciena), Gainspeed (acquired by Nokia) and Mojo...

Harris American Company is a manufacturer of scrap recycling and processing equipment, including balers, shears, and compactors. The company was formed through the consolidation of three subsidiaries of Avis Industrial Corporation.

Observable Space is unlocking continuous, real-time observations of space with the industry’s first line of vertically integrated hardware and software products. The company is the result of a merger between PlaneWave Instruments, the leader in advanced telescope design and manufacturing in the US, and OurSky, a company founded by SpaceX’s former VP of software engineering to create a developer platform...

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...

Freeform is deploying software-defined, autonomous metal 3D printing factories around the world, bringing the scalability of software to physical production. Our proprietary technology stack leverages advanced sensing, real-time controls, and data-driven learning to produce digitally-verified, flawless parts at unprecedented speed and cost. Our mission is to make the transformative power of 3D printing available to all industries at scale and...

Faststream Technologies is a global product engineering services company headquartered in Los Angeles, with a design center in Bangalore, India. Specializing in product and system engineering, the company focuses on IoT, semiconductor design, and AI infrastructure. They partner with Fortune 100 and 500 clients to develop hardware and software systems, offering expertise in digital transformation, big data, and embedded software...

Molekule’s mission is to eliminate indoor air pollution for everyone, anywhere. Founded by a family trying to address the adverse impacts of polluted air, Molekule was created with a goal of using the power of science to eliminate indoor air pollution around the world.

Reotemp Instruments is a globally recognized U.S. manufacturer of temperature and pressure instrumentation. Its product portfolio includes thermometers, thermocouples and RTDs, temperature transmitters, thermowells, pressure gauges, pressure transmitters, diaphragm seals, valves and pressure accessories. The company serves industrial markets, offers standard and application-specific products, and emphasizes ISO 9001:2015 quality, customer support, long-term relationships and 3–5-day standard lead times for industrial...