Deep Tech Startups

HSI delivers human factors and systems integration services across defense, nuclear power, emergency response, healthcare, and occupational safety sectors. The company focuses on optimizing how people interact with complex systems and organizational structures.

1 investor

Hummingbird Kinetics develops damping systems based on Fluid Structure Coupling technology adapted from NASA rocket vibration research to reduce wind-induced motion in buildings and bridges. It supplies the technology while partner firm RWDI handles design and construction implementation for structural engineering clients.

1 investor

Hummink develops NAZCA, a precision printing machine for manufacturing miniaturized electronics and nano-electronic components at nanometer-to-micrometer scales. The system enables direct printing of patterns onto various substrates with dedicated inks for research and manufacturing applications.

1 investor

HyBird builds an operating system that integrates industrial data and AI to help teams work safer and faster in critical industries. The platform unifies physical reality with digital systems to enable coordination between people, AI, and robots.

1 investor

HyC Light uses a light-driven methane photolysis process to co-produce carbon nanotubes and clean hydrogen. Its carbon nanotubes target applications such as copper-wiring replacement and battery technology, while its hydrogen is aimed at industries including fertilizers, polymer manufacturing, and oil refining.

1 investor

Hydroclimat develops climate solutions that convert climate data into actionable information, drawing on a team of scientists, data engineers, and climate and water resource specialists.

1 investor

Hydrogen in Motion develops solid-state hydrogen storage solutions to enable clean energy adoption across multiple industries. The company focuses on safe, lightweight, and scalable technologies for storing and deploying hydrogen fuel.

1 investor

Hydrogen Refinery is a company associated with hydrogen energy. The page provides an investor contact but gives no detail about its products or technology.

1 investor

HydroLux develops solid hydrogen storage materials for fuel cell vehicles and hydrogen energy applications. The company manufactures hydrogen storage alloys and related materials for the automotive and clean energy sectors in South Korea.

1 investor

HydroSurv develops uncrewed surface vessel (USV) platforms for maritime survey and marine operations. The company positions itself as making trusted USV platforms more accessible.

1 investor

HyET group is a collection of companies developing technologies for commercially viable, large-scale use of decentralized renewable energy sources, such as high-pressure hydrogen buffering of solar and wind power and low-cost roofing sheets with integrated solar modules. Its work also targets environmentally sustainable economic development and rural poverty reduction.

1 investor

HYGN develops hydrogen technologies designed to reduce fuel costs and emissions for federal, municipal, and private companies. The company's flagship product enables safer, simpler hydrogen harnessing.

1 investor

HyperloopTT is developing hyperloop transportation systems for passengers and cargo, having built a full-scale test track and capsule fuselage and established insurance and certification frameworks for commercialization. The company works with governments worldwide to develop commercial prototypes.

1 investor

Hyperpilot offers a platform of three AI engines that take a controls-engineering project from high-level requirements through executable test suites to production-grade control software. Its software-synthesis engine is built on an algorithm-discovery foundation model rather than an LLM, targeting engineers who build safety-critical control systems.

1 investor

HyperPV develops GPU-accelerated software tools for semiconductor chip design and verification, offering performance faster than CPU-based solutions with foundry-comparable accuracy. Its products are customizable via a Python API and scale across hybrid data center and cloud environments.

1 investor

Hypersonix develops reusable, hydrogen-powered scramjet aircraft designed for sustained Mach 5+ hypersonic flight and faster access to space. It targets aerospace and commercial applications with scalable, rapid mission deployment.

1 investor

Volygon (HypeVR) develops holographic video codec software for compressing and streaming volumetric, photoreal immersive content. It targets creators and platforms working with next-generation 3D and immersive media.

1 investor

Hyphen provides atmospheric-based measurement, reporting, and verification (aMRV) technology to quantify greenhouse gas removals and reductions across ecosystems and industries. The company serves carbon markets and climate-focused organizations by enabling transparent, science-backed carbon credit generation and emissions verification.

1 investor

HyReveal explores subsurface resources such as natural gases, natural hydrogen, and helium to support energy transition and sovereignty goals. The company focuses on geology and natural resource exploration in the energy sector.

1 investor

HyVibe develops connected vibration technology that turns objects and musical instruments into sound sources with high audio quality. Spun out of research at the IRCAM institute, the company builds smart acoustic and vibration hardware for connected objects and instruments.

1 investor

I-Discovery (Intellectual Discovery) is an investment firm that focuses on technology company investments and intellectual property monetization services. The company operates in South Korea, providing IP-backed recovery support and technology enterprise investment services.

1 investor

i-BrainTech develops neurofeedback technology that helps athletes improve motor skills, focus, and decision-making through personalized training systems informed by neuroscientific research. The company works with professional football clubs to enhance cognitive and physical performance.

1 investor

i2020 Accelerator (T123 LLC) is a drug discovery accelerator that de-risks early-stage science and advances drug discovery platforms toward lead and clinical candidate stage within roughly two years, working across therapeutic areas such as oncology, immunology, and infectious diseases. It co-creates and invests in biotech startups, operating as part of the Expert Systems integrated accelerator platform.</parameter> <parameter name="hq_city">San Diego

1 investor

i3 develops a hybrid intravascular imaging catheter combining near-infrared fluorescence (NIRF) and ultrasound (IVUS) sensors to provide real-time molecular and structural imaging during coronary interventions. The system enables detection of arterial injury and complications in cardiac catheterization procedures.

1 investor