Hardware Startups

GoTrustID makes hardware security keys for multi-factor authentication, including its Idem Key USB security key that supports protocols such as FIDO2, U2F, PIV, OTP and OpenSSL. The company targets organizations and individuals seeking phone-free MFA and protection of digital assets.

1 investor

G Pen makes portable vaporizer devices for ground material, including the Dash+ handheld vaporizer. The company sells consumer vaporizer hardware directly through its website.

1 investor

GPS Air manufactures air ionization systems designed to reduce airborne viruses and bacteria in shared indoor spaces. The company offers ceiling tile fans and duct-mounted devices that use soft ionization technology to improve air quality in classrooms, offices, and other commercial environments.

1 investor

Grabber develops fasteners and specialty tools for steel framing, drywall fabrication, and ceiling tile installation, including collated fastening systems, prefabrication workstations, and jobsite equipment. The company serves construction professionals and provides both digital and printed product catalogs.

1 investor

GrainSense develops a compact, portable NIR sensor for rapid grain quality analysis that measures protein, moisture, oil, and carbohydrate content. The technology serves farmers, grain traders, mills, breweries, and industrial processors globally.

1 investor

Grakon designs and manufactures advanced lighting systems and engineered trim components for original equipment manufacturers in automotive and adjacent transportation sectors. The company serves global vehicle manufacturers, electric vehicle producers, and off-highway equipment makers with custom-designed solutions developed through expertise in industrial, mechanical, electrical, and optical engineering.

1 investor

Grant Victor owns four business units providing complete ATM services across North America, including equipment placement, managed services, wholesale sales, and specialty ATM offerings for financial institutions.

1 investor

Grapheal develops graphene-based biosensors, including PFAST, a field-deployable device for fast, real-time detection of ultra-trace PFAS ("forever chemicals") in water. The platform enables point-of-need testing to support PFAS monitoring under regulations such as the EU Drinking Water Directive.

1 investor

Graphic Controls (now part of Nissha Medical Technologies) manufactures precision printed and consumable products for industrial monitoring and medical applications, including data recording systems for drilling and exploration. The company serves healthcare, industrial monitoring, and transactional media markets with core manufacturing capabilities in printing, coating, laminating, and molding.

1 investor

Gravitics develops orbital carriers, spacecraft modules, and cargo/logistics systems built on a shared 4-meter form factor for rapid, on-demand deployment of mission vehicles. Its products target military, civil, and commercial space missions, including space mobility, emergency response, and missile defense.

1 investor

Gravity develops wearable human flight technology, including a jet suit that augments human capability to enable individual flight. The company operates in the aerospace and deeptech hardware category.

1 investor

GravTech Solutions develops miniaturised gravity gradiometer sensors mounted on drones to conduct geophysical surveys of subsurface structures. Its technology serves mining, water, oil and gas, and infrastructure sectors for resource exploration, reservoir mapping, and ground stability assessment.

1 investor

Green Elephant Biotech manufactures 96-well microplates and related lab consumables for life science research. The company sells through authorized distributors across Europe and the United States, as well as directly to labs.

1 investor

GreenFortune manufactures window and door systems in India using PVC profiles and supplies them to fabricators who serve end customers. The company operates as a B2B2C business with a tech-driven approach, offering customizable products manufactured to international standards while tailored for Indian climate conditions.

1 investor

Green Grid Energy builds integrated power management hardware and firmware for constructing and operating DC, AC, or hybrid microgrids, including converters and inverters. Its products serve utility companies and energy traders, using AI-based coordination to manage power delivery and optimise cost.

1 investor

Green Optics is a South Korean manufacturer of optical components, producing most of its core optical parts in-house. It operates multiple manufacturing factories and a space optics lab in Korea plus a factory in Vietnam.

1 investor

Green-Y develops oil-free, water-injected air-end compressor technology that reduces the energy consumption of compressed-air systems by up to 20%, with a product range from 11 to 90 kW and pressures of 3 to 40 bar. It supplies this Swiss-engineered technology to compressor manufacturers, industrial users, and plant engineers for applications including heat pumps, biogas, and CCUS.

1 investor

KLX Energy Services is a U.S. onshore oilfield services provider offering drilling, completion, production, and well intervention solutions for technically demanding wells. It serves oil and gas operators across major U.S. shale basins including the Gulf Coast, Midcontinent, Northeast, Rockies, and Permian.

1 investor

Greenhill builds commercial HVAC systems designed for faster payback, with each installed system connected into a larger managed power fleet. The company frames its approach as developing HVAC infrastructure that functions as a distributed power plant.

1 investor

Greenlight Networks is a locally operated internet service provider that builds and owns 100% fiber optic networks delivering symmetrical speeds from 500 Mb to 8 Gig to homes and small businesses. It operates across eight markets in New York, Pennsylvania, and Maryland, including Rochester, Buffalo, Binghamton, Albany, the Hudson Valley, Northeast and South Central Pennsylvania, and Baltimore.

1 investor

GreenSight develops and manufactures catalog and fully custom robotic vehicles, selling standard designs directly as well as designing bespoke units for customers' specific applications. The company serves defense and turf/golf course operations, with a dedicated Turf Division for greens management.

1 investor

Greenwood Clean Energy is a cleantech company based in Redmond, Washington.

1 investor

Greenzie builds autonomous driving software and sensor systems that equip commercial lawn mowers to operate robotically, letting landscaping crews mow sites automatically while switching between manual and autonomous modes. Its technology is sold through outdoor power equipment manufacturer partners and dealers rather than directly to end users.

1 investor

GR Energy Services provides completions, downhole technology, and automated perforating systems, along with well intervention services, for oil and gas operators. It offers proprietary tools and digital platforms (such as PHIRE and Wellmatics) for real-time diagnostics, remote monitoring, and predictive maintenance, with experience in the Permian Basin.

1 investor