Hard Tech Startups
130 companies tagged Hard Tech, with their investors and founders.
ZSCC designs AI silicon chips (XPU) optimized for energy efficiency in machine learning inference and training, targeting the infrastructure demands of recursive self-improvement and advanced AI systems. The company is developing both individual processor units and clustered systems for scientific discovery and model training applications.
5 investors
Atum Works develops scalable 3D lithography technology capable of printing metal structures with submicron resolution for advanced manufacturing applications.
4 investors
Cosmic Robotics develops autonomous construction equipment for critical infrastructure projects, starting with solar installations.
4 investors
Hubble has created a Bluetooth connection to space and is building a global, battery-efficient, and cost-effective network using satellite technology.
4 investors
Lightberry develops AI software that enables robots to understand and respond to voice commands, allowing non-technical users to control and program robots through conversation rather than traditional coding.
4 investors
Maritime Fusion designs and builds zero-emission fusion reactors for deployment in maritime transport and remote energy installations. The company aims to use these off-grid applications as a pathway to develop cost-competitive grid-scale fusion reactors.
4 investors
Mindstate Design Labs is a clinical-stage drug development company that uses AI to map the biological basis of emotion and cognition, synthesizing psychedelic phenomenology and biochemical data to design pharmaceutical compounds that induce specific therapeutic emotional and cognitive states for mental health treatment.
4 investors
NDEA develops artificial general intelligence technology and benchmarks. The company is founded by the creator of Keras and a co-founder of Zapier.
4 investors
Vena Vitals develops a noninvasive, continuous blood pressure monitoring device using patented sensor technology placed on the skin over an artery. The system targets anesthesiologists, sleep physicians, and hospitals for intraoperative, sleep disorder, and clinical monitoring applications.
4 investors
1849 bio engineers microorganisms to make metal extraction from low-grade copper and gold ores economically viable for mining operations. The company applies advanced bioengineering techniques to develop microbes capable of processing ore types that existing biomining processes cannot handle, targeting the hundreds of billions of dollars in copper currently considered uneconomical to extract.
3 investors
Airthium manufactures high-temperature industrial heat pumps that reach up to 550°C and operate in hybrid mode, switching between electricity and gas to optimize cost and carbon emissions. The system is designed for industrial process heat applications requiring reliable 24/7 operation in the 150–550°C range.
3 investors
Alba Orbital manufactures PocketQube satellites and operates as a launch broker, providing small satellite deployment services. The company also operates nighttime imaging satellites and ground station services for government and commercial clients in the space sector.
3 investors
AutoPallet Robotics develops small mobile robots that handle box movement and palletization in warehouses, designed to integrate into existing facilities at lower cost than traditional automation systems.
3 investors
Cactus Compute provides an on-device AI runtime for speech, vision, and text models that automatically routes between on-device and cloud inference based on complexity and audio quality. The platform enables developers to deploy speech transcription, voice assistants, and LLM applications across mobile, desktop, and wearable devices with privacy-first architecture.
3 investors
Care Weather operates a low-cost flat-panel radar satellite system that gathers high-precision weather observations for governments and maritime shipping operators. The satellite design achieves cost advantages through vertical integration, improved power generation, and orbital positioning closer to Earth's surface.
3 investors
Cascade Space develops software tools and infrastructure for designing, building, testing, and operating spacecraft communication systems. The company serves aerospace and space companies seeking to accelerate development with reduced team requirements.
3 investors
DeepSilicon develops software and hardware tools that enable neural networks to run with improved speed and reduced computational costs.
3 investors
GBatteries develops intelligent battery management systems and high-energy-density batteries using artificial intelligence and electrochemistry, targeting electric mobility applications from land to air transport.
3 investors
Greywing provides a data integration and vessel management platform for the maritime and shipping industry. The platform consolidates data from multiple sources into a unified dashboard, enabling real-time vessel tracking, operational decision-making, and analytics for crewing, commercial, and technical teams.
3 investors
Impossible Metals builds underwater robotic vehicles to collect critical metals from the seabed for clean energy applications, with a focus on sustainable and environmentally responsible extraction practices.
3 investors
Meticulous automatically detects regressions in web applications by replaying user sessions at scale, helping front-end developers build more reliable software. The platform uses distributed replay systems and algorithms to identify code path coverage and differentiate meaningful test sessions.
3 investors
Piris Labs develops photonic networking hardware to reduce idle time on AI computing chips and improve the efficiency of AI infrastructure deployments.
3 investors
Sensei connects robotics companies with human operators to collect real-world training data at scale. The platform supports the development of robotic systems by sourcing in-the-wild data from a distributed network of operators.
3 investors
Spaceium builds in-orbit refueling stations that store fuel and supply it to spacecraft, aiming to enable longer missions, larger payloads, and farther travel. The company operates in the space infrastructure sector.
3 investors