Hardware Startups

Stirweld makes friction stir welding (FSW) technology accessible by supplying FSW heads that add welding capability to existing machining centers and an FSW spindle that converts industrial robots into hybrid welding/machining tools, along with engineering support and training. It serves manufacturers in sectors such as aerospace, automotive, rail, energy, and shipbuilding.

1 investor

Standard Energy develops vanadium ion battery technology for the energy storage market, departing from conventional battery approaches to create novel battery chemistry solutions.

1 investor

Stock Cropper Inc is a company operating in regenerative agriculture. It is a C-Corporation formed in 2021.

1 investor

Stolle Machinery manufactures and services equipment for the metal can manufacturing industry, supplying new machinery, OEM spare parts, field support, and machine rebuilds. It serves canmakers worldwide with a focus on aluminum canmaking technology and sustainability.

1 investor

StoneLock designs and manufactures near-infrared facial recognition access control systems. The company is a woman-owned business based in the United States and focuses on providing data privacy-respecting security solutions.

1 investor

Gravity is an industrial-grade digital tethering device that physically secures master keys and access cards and alerts workers when keys move beyond a set perimeter, aiming to prevent key loss events. It targets property and facility management firms responsible for buildings and multi-tenant high-rises where re-keying after a loss is costly.

1 investor

Storypod makes audio players and screen-free content for young children, including the Eddi all-in-one sleep, play, and learning system and Craftie/Token audio collections featuring licensed stories such as Eric Carle's "The Very Hungry Caterpillar." Its products combine sound machine and nightlight functions with expert-designed learning content aimed at early childhood development.

1 investor

STOWA manufactures and sells mechanical watches, offering customer service support including sales consultation, repair, maintenance, and watch band replacement.

1 investor

STRAFFR makes a smart resistance fitness band paired with a mobile app that guides and tracks strength workouts for home and travel exercisers. The German consumer fitness product is used by several thousand people across more than 30 countries.

1 investor

Strahman Group manufactures sanitary washdown equipment, industrial process valves, and automated valve systems for food and beverage, pharmaceutical, oil and gas, and chemical processing industries. The company operates domestic manufacturing in Pennsylvania with ISO 9001 certification and offers custom engineering-to-order solutions.

1 investor

Strata Skin Sciences develops and provides dermatology treatment devices, including the XTRAC excimer laser and VTRAC excimer lamp for psoriasis and vitiligo, and the TheraClearX photopneumatic system for acne. Its products serve professionals in dermatology, plastic surgery, and aesthetics.

1 investor

StrataVision develops an AI-powered computer vision platform that analyzes on-site operations to provide insights for retail and enterprise customers. The platform enables businesses to optimize operational efficiency, improve customer experiences, and make data-driven decisions across physical locations.

1 investor

Strategic Thermal Labs develops liquid cooling technology for data centers, including a CDU-replacement solution that eliminates cooling distribution units and recovers power budget. The company offers custom-built liquid cooling IP and a configurable portfolio of liquid cooling products tailored to customer requirements.

1 investor

Strato produces coupler systems and related components for railcars, including hose separation brackets, long-life yokes, and heavy-duty end hose straps. The company also provides on-site engineering consulting for rail customers with specialized projects.

1 investor

Stratus Neuro provides EEG hardware products and clinical software solutions for hospital systems and neurology practices. The company distributes electroencephalography equipment including mobile cart systems, point-of-care nets, and ambulatory EEG kits for inpatient and outpatient neurodiagnostics.

1 investor

Streamcheck offers a home uroflowmetry device with integrated sensors that measure urine flow rate, volume, and duration and analyze urine biomarkers via test strips, paired with an app that generates medical reports and trend analyses. The system targets men focused on urological health, letting them track prostate/urinary metrics at home and share results with their doctor.

1 investor

Stream Ocean develops AI-powered monitoring technology and hardware for real-time marine life and ocean ecosystem tracking. The company serves conservation organizations, researchers, and environmental agencies focused on protecting coral reefs and marine biodiversity.

1 investor

StreamPlay designs and develops embedded vision, Edge AI, and camera systems for defence, security, industrial automation, mobile work machines, and medical imaging applications. The company combines sensor integration, real-time video processing, audio analytics, and artificial intelligence to enable intelligent, connected products across demanding environments.

1 investor

Stridar builds the Siderunner, an unmanned ground vehicle (UGV) integration platform designed to carry third-party payloads, sensors, autonomy stacks, communications, and mission systems. It serves integrators, military teams, and civilian operators in sectors such as ISR, demining, logistics, construction, and infrastructure inspection.

1 investor

Strong Lighting makes stage and entertainment lighting systems used by lighting designers for live music events, including stadium shows, arenas, theaters, and festivals. Its products provide illumination and visual effects to support musical acts.

1 investor

StrongBó develops continuous weighing and monitoring systems for cattle operations that provide real-time performance data and use AI to detect early signs of illness. The company serves beef farmers and feedlots globally with hardware designed to withstand extreme farming conditions.

1 investor

A company providing automated solutions and 3D product configuration tools for consumers and operators, likely in the retail or display technology space.

1 investor

Stucki manufactures and supplies a comprehensive range of tank car components for railroad applications, serving chemical and industrial transportation sectors with specialized parts for different tank car types including acid-resistant, general purpose, pressure, and safety-compliance variants.

1 investor

Prairie Card is an NFC-enabled digital business card service: users tap the card on a smartphone to share a profile page with contact details, social accounts, and portfolio links without needing an app. It offers a free profile builder with paid physical cards, integrations with business-card management tools like Eight and Sansan, and a "Prairie Card for Business" plan for companies to create and manage employee cards.

1 investor