Hardware Startups

Stûv designs and manufactures wood-burning stoves, pellet stoves, and built-in wood fireplace inserts, including freestanding and wall-mounted models with customizable finishes, colors, and dimensions. Its pellet stoves use a patented sculpted-flame technology aimed at low emissions and quiet operation, sold through a network of dealer-installers.

1 investor

Styku provides 3D body scanning hardware, analytics software, and mobile app services for health and wellness businesses to track client body composition and progress. The platform serves fitness facilities, weight loss clinics, spas, and medical practices seeking to improve client engagement and retention.

1 investor

Subeca provides smart water metering technology that delivers real-time and hourly meter readings over flexible network options including Amazon Sidewalk, LoRaWAN, and Bluetooth. Its devices work with existing meter inventory and serve water utilities and HOAs for utility metering and sustainability monitoring.

1 investor

THEVA develops and manufactures high-temperature superconductor tape (THEVA Pro-Line) that carries far more current than copper with virtually no losses, aimed at manufacturers of cables, power electronics, industrial drives, and busbars. The German company serves the power, drive, magnet, and manufacturing industries with its own patented production process.

1 investor

Sumisho Metalex is a materials trading and manufacturing company that supplies aluminum products, heat exchange materials, electronic components, and secondary battery parts and equipment. The company engages in sales, processing, and import-export activities across the full value chain from raw materials to finished products.

1 investor

Sumitomo Precision Products is a Japanese manufacturer of MEMS foundry services, heat exchangers (including data-center cooling units and liquid-hydrogen heat exchangers), semiconductor processing equipment, and hydraulic systems. It serves semiconductor, aerospace, and industrial customers.

1 investor

Sumitronics is an electronics parts distributor and supply chain outsourcing provider specializing in components for electronic devices, offering services including inventory management, kitting, assembly, and just-in-time delivery.

1 investor

Summit Interconnect produces specialized printed circuit boards for defense applications including autonomous systems, radar and sensor platforms, and intelligence/surveillance/reconnaissance equipment.

1 investor

Sunburnt Space operates reusable round-trip rockets that fly satellite hardware to space and recover it, letting satellite makers test their parts under real orbital conditions before committing to a one-way orbital launch. It designs and builds most of its rockets, including engines, in-house and serves commercial satellite customers.

1 investor

Sunday Light makes a high-output LED luminaire that mimics daylight, producing over 34,000 lumens and shifting color temperature through the day to follow the sun. The device is designed for home and office use to support circadian rhythm, mood, sleep, and wellbeing.

1 investor

Sundwiger Messingwerk is a fully integrated manufacturer of copper alloys processed into strips and wires for technically demanding applications. Its portfolio spans bronze, nickel silver, low-alloyed copper-base alloys and hardenable special alloys, serving international customers primarily in the automotive, electrical, and telecommunications sectors.

1 investor

Sundyne manufactures integrally geared centrifugal pumps and compressors, sealless magnetic drive pumps, and diaphragm gas compressors. It serves companies in the energy, chemical, petrochemical, and industrial processing markets worldwide.

1 investor

INFIN Robotics (formerly Sunfish Robotics) develops solar-powered autonomous underwater vehicles capable of months-long operation without human intervention, aimed at making ocean data collection cheaper and more scalable. The company builds underwater robotics technology for persistent ocean observation and monitoring.

1 investor

Sunman develops ultra-light solar panels. The page requires JavaScript and returned no usable content beyond a tagline describing the company as a maker of ultra-light solar products.

1 investor

Provider of smart point-of-sale and IoT hardware devices for retail, hospitality, and payment businesses. The company offers connected terminals and handheld devices for merchant and commercial use.

1 investor

Sunna Design designs, develops, and manufactures in France autonomous, connected solar-powered street lighting for public lighting of roads, parks, and urban, peri-urban, rural, and remote areas. Founded in 2011, it serves municipalities and territories, with over 160,000 solar solutions deployed across 60 countries.

1 investor

SunoKitaab builds an audio-based offline learning device that delivers school curriculum through podcasts and audio lectures for students in rural areas without reliable internet access. The company serves students in villages where teacher shortages and lack of technology limit educational access.

1 investor

Sun's Electric provides solar and electrical installation services using premium products and focusing on sustainability across Oregon, Washington, California, and Belize.

1 investor

SUNSTATION USA manufactures and distributes weather-resistant, touch-free sunscreen dispensers for public spaces to prevent sunburns and skin cancer. The company targets communities and venue operators seeking accessible sun protection solutions.

1 investor

Vital Signs Media provides battery-powered sunscreen and hand sanitizer kiosks for festivals, parks, and outdoor venues, offering guests free access to reef-safe SPF while reducing single-use plastic waste. The kiosks double as sponsor-funded advertising platforms with real-time engagement analytics, available through sponsorship, direct purchase, or lease across the U.S.

1 investor

Sunu makes an augmented reality neck-worn device that uses radar, audio, and haptics to help visually impaired people navigate obstacles and orient themselves via GPS voice features. The company builds assistive mobility and daily-living hardware for blind and low-vision users.

1 investor

SUPER73 designs and sells electric bikes styled as adventure vehicles, marketed to a community of consumer riders. Founded in 2016 via a Kickstarter campaign, the brand sells electric bikes globally, with early roots in Orange County, US.

1 investor

Autofabricantes collaborates with Universidad Politécnica de Madrid on research and development projects for mechanical prosthetics and mobility devices, designed and tested with individuals who have motor disabilities. The organization works on arm and leg prosthetics, specialized wheelchairs, and 3D printing materials research in partnership with university students and faculty.

1 investor

Hydratight supplies heavy-duty machining, torque, and flange tools for construction, maintenance, and decommissioning projects. The company offers precision equipment for critical bolt tightening and hydraulic applications, sold for full ownership rather than rental.

1 investor