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

Humelo develops voice AI technology including high-quality voice cloning from short audio samples, emotional text-to-speech (DIVE TTS), speech synthesis, and voice conversion. It supplies these voice AI solutions for music, media, entertainment, and communication applications.

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

Husky manufactures injection molding systems designed to optimize productivity and consistency across industries including beverage packaging, medical devices, food containers, and diagnostics. The company offers a comprehensive portfolio of specialized molding platforms for high-volume and mid-volume production applications.

1 investor

HVR Cardio develops medical devices for cardiovascular applications, drawing on a management team with combined expertise in structural heart technologies and medical device commercialization.

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

Hybron develops composites manufacturing technology, with all production based in the United States. The company positions itself as offering faster, lower-cost, and more scalable composites manufacturing.

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

HyCom develops an xPU Connectivity Platform using electro-optic waveguide modulators for AI data centers, enabling higher-performance data transfer while consuming significantly less energy and requiring reduced physical space. The platform targets data center operators seeking more efficient cooling and compact infrastructure solutions.

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

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

HyImpulse develops hybrid rocket propulsion systems and launch vehicles powered by paraffin-based technology to provide affordable, reliable access to low-Earth orbit for smallsat operators and space services customers. The company combines launch services, satellite-as-a-service, and space-data-as-a-service offerings to reduce cost barriers and expand commercial use of space.

1 investor

Hypercubic provides AI software for mainframe modernization, helping enterprises and governments rebuild and secure their critical infrastructure systems.

1 investor

HyperLight develops thin-film lithium niobate (TFLN) photonic integrated circuits for high-bandwidth, energy-efficient optical applications in data centers, telecommunications, quantum computing, and AI systems. The company designs, manufactures, and tests TFLN chiplets at scale using semiconductor-compatible processes.

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

HyperSpectral develops a spectral sensing and AI layer for Physical AI that interprets matter through spectral data, molecular identification, and AI architecture. Its work spans applications in life sciences, defense, and enterprise, with experience in FDA regulatory pathways and clinical validation.

1 investor

HyperTunnel develops extended reality (XR) solutions for frontline workers in high-stakes industries including aerospace, defense, manufacturing, and logistics. The platform enables workers to visualize complex data, collaborate intuitively, and perform operational tasks with greater precision through spatial computing and digital twin technologies.

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