Hardware Startups

Galaxy Therapeutics is a clinical-phase medical device company developing the SEAL Embolization Device, an intrasaccular flow diversion implant for treating brain aneurysms. Its products target neurointerventional physicians and are progressing through FDA PMA and European CE Mark regulatory pathways.

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Gardyn makes an indoor smart garden system for home use, with cameras and sensors and an AI assistant called Kelby that automatically manages light and water scheduling. It offers 100+ non-GMO plant varieties and a companion app with harvest reminders and real-time alerts, sold direct to consumers.

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General Graphene manufactures chemical vapor deposition (CVD) graphene and carbon-based materials at industrial scale using proprietary roll-to-roll technology. The company supplies graphene to research labs and industrial partners for application development across diverse industries.

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GenFlat Holdings is a company that has filed with the SEC and provides investor-related information and securities offerings. The page does not describe a specific product or service.

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Global Innovations, Inc. (GII) designs and integrates smart seismic sensor systems (ISSS), including early warning border and zone security systems for defense and security applications. The technology is also marketed for oil and gas exploration, medical diagnostic equipment, and other industrial uses, with the underlying sensor components developed by sister company Precision Sensors and Instruments, LLC.

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Gobi develops thermal technology for temperature-controlled shipping, including the Altai self-cooling parcel shipper for the biopharma industry and the Eclipse freeze-free vaccine carrier for global health. It serves cold chain logistics for life-enhancing and pharmaceutical products, using proprietary insulation and phase change material solutions.

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Grape Solar is a custom solar manufacturer offering grid-tied, off-grid, and commercial/industrial solar power systems along with panels, racking, inverters, controllers, and portable power products. The company sells solar kits and components through retail partners and operates a solar industrial park in Oregon.

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Gravitas Medical develops the Entarik Feeding Tube System, a medical device that assists in feeding tube placement and continuously monitors tube position using bio-impedance sensors and safety alerts. The system is designed for healthcare facilities and ICU nurses managing enteral nutrition for patients unable to feed orally.

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Grayl designs and sells water purifier bottles and related gear that remove pathogens, microplastics, chemicals, and heavy metals from drinking water. Its products target backpacking, hiking, camping, emergency preparedness, and global travel users.

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Green Source Holdings is an Austin-based holding company that identifies, builds, and scales technology companies focused on resource efficiency and disruptive innovation. Its portfolio targets edge AI, robotics, defense, and energy markets, with companies such as Octavo Systems building System-in-Package computing modules.

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GreenPower manufactures electric vehicles for school transportation, commercial goods delivery, and passenger services. The company produces a range of battery-electric buses, vans, and utility trucks under branded product lines including the BEAST school bus series and EV Star commercial vehicle platform.

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GridBridge develops power delivery solutions for electric utilities at substations and downstream distribution points. The company applies high-power conversion technology across grid, vehicular, and space applications.

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Guided Therapeutics develops medical devices based on patented biophotonic technology to detect diseases earlier, with its flagship LuViva Advanced Cervical Scan identifying tissue changes that are early signs of cervical cancer. The company sells to physicians and healthcare systems, with an international distribution presence including China.

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H2Plus develops technology that destroys PFAS (perfluoroalkyl and polyfluoroalkyl substances) from contaminated water and industrial waste streams. The system serves municipalities, water treatment facilities, and industrial operators seeking to eliminate persistent organic pollutants and comply with environmental regulations.

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HandsFree Labs develops and licenses hands-free footwear technology, powering brands such as Kizik and Blue Ox and licensing its platform to global footwear partners. Its products are sold through 100+ retailers including Nordstrom, Zappos, and DSW.

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Hansen Engine is an independent research company that develops a variable-displacement supercharger technology for OEM automotive engines aimed at a global market. Based near Minneapolis, it operates an engine test laboratory and works on advancing automotive engine technologies.

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Happier Camper designs and sells lightweight retro-modern travel trailers, including the compact HC1 with a modular honeycomb fiberglass floor and the 17' Traveler (HCT) with two living spaces, a bathroom, and a kitchenette. The company markets its campers to recreational travelers and outdoor enthusiasts.

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Haptech Defense Systems manufactures electronic weapon simulators and drop-in recoil kits for military training, compatible with VR, AR, MR, and live simulation environments. The company's ERIS platform provides simulated recoil and instrumentation without requiring pneumatic infrastructure.

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Harvest Today manufactures vertical indoor grow walls that enable users to produce fresh vegetables and plants in compact spaces using controlled-environment agriculture. The system uses a proprietary vertical irrigation technology and accompanying mobile app to reduce water consumption and pesticide use while maximizing yield in urban and space-constrained settings.

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Hazard Control Technologies manufactures fire suppression, vapor mitigation, and contamination control solutions using proprietary encapsulator technology. The company serves industry leaders and first responders to protect firefighters, business owners, and communities.

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HeatElite is a family-owned company that makes a heat detection system for cattle, giving cattle producers real-time notifications of when cows are in heat. It serves farmers and ranchers in the cattle breeding industry and manufactures its products in the USA.

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HELIOS makes an AI wearable device and companion app for ice hockey players and coaches, tracking skating metrics, performance trends, and time-on-ice while automatically clipping and syncing shift video with the performance data. It provides individual development tracking, peer comparison, and a coaching suite with dashboards for training optimization, load management, and game performance.

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HemoSonics develops FDA-cleared viscoelastic testing (VET) technology that provides real-time hemostasis data at the point of care for hospital teams managing bleeding in obstetric, trauma, and surgical settings. Its products support faster transfusion decisions and reduced blood product use in healthcare facilities.

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HFR Networks provides optical, packet, and radio access network transport solutions, including Smart Tunable Optics, flexiHaul transport, and FTTX/Carrier Ethernet equipment, for service providers, enterprises, and utility companies. It serves Tier 1 mobile operators, regional fiber builders, and enterprises across Korea, Japan, and North America, supporting 4G/5G and Private 5G deployments.

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