Hardware Startups

SPG manufactures servo planetary reduction gears and related mechanical transmission products for industrial applications.

2 investors

Spherical Systems designs full-stack spacecraft electronics, covering systems, silicon, and software in-house. The company targets the space industry with integrated hardware and software for spacecraft.

2 investors

Spin operates dockless electric scooters for individual mobility in cities and campuses across North America and Europe, aiming to enable sustainable urban transportation and support 15-minute city design.

2 investors

SPiN designs and manufactures modular satellite components and provides satellite design services for space manufacturers, reducing design and production costs through its MA61C universal adapter and model-based system engineering methodology.

2 investors

Spinbotics offers Spinbot, a modular robotic worker for factory automation that handles repetitive tasks such as machine tending, metal part handling, and loading/unloading of lathes, mills, and lasers. It targets manufacturers facing operator shortages, requiring no programming or complex integration.

2 investors

Splice N Connect develops sensor hardware and analytics software for power infrastructure monitoring and management, serving the oil & gas and energy sectors. The company combines electrical engineering expertise with applied analytics to address operational challenges in energy infrastructure.

2 investors

Sportable develops a FIFA-certified connected soccer ball that captures real-time performance data to provide coaches, players, and analysts with actionable insights on technical skill, athlete workload, and match metrics. The platform enables performance tracking and benchmarking across player development pathways from youth through professional levels.

2 investors

SprayVision develops technology for optimizing coating and spraying processes, aiming to make coating faster and more efficient. The company positions its work around industrial coating optimization.

2 investors

Spring Loaded Technology develops bionic knee braces that enhance leg muscle power output for both therapeutic and athletic applications. The company serves people with mobility challenges seeking to restore function and reduce pain, as well as athletes looking to improve performance and reduce fatigue.

2 investors

Springs Window Fashions manufactures and sells window coverings and treatments across residential consumer, dealer, commercial, and European business units. The company operates in the building products industry with manufacturing across the United States, Mexico, and Europe.

2 investors

SRL Traffic Systems Limited supplies the UK's largest fleet of portable and temporary traffic signals, including pedestrian signals, variable message signs, CCTV systems, and safety barriers for roadworks and traffic management. The company serves traffic management contractors, local authorities, and infrastructure operators across the United Kingdom.

2 investors

SST Wireless provided industrial Internet of Things (IoT) products; its assets were acquired by TMS in January 2026.

2 investors

STAG designs and manufactures all-electric, battery-powered compact track loaders in the USA for construction, demolition, and equipment rental use. Its machines target indoor demolition, food processing, and tight jobsites, offering zero emissions and lower operating costs than internal-combustion equipment, and are sold through dealers.

2 investors

StandInBaby (SIB) is a newborn training mannequin with engineered stainless steel joints and medical-grade silicone skin that replicate a real newborn's range of movement and weight for realistic handling practice. It is used for clinical simulation in healthcare, nursing and midwifery education at universities, and by professional newborn photographers.

2 investors

Starling Systems develops fixed-wing electric vertical take-off and landing (eVTOL) drones for defense and military applications. The company focuses on aerodynamic efficiency and reliability for demanding missions requiring advanced unmanned flight capabilities.

2 investors

Starry provides residential internet service with fixed monthly plans, no long-term contracts, and included WiFi routers, serving both individual homes and multi-unit residential buildings. It operates in Los Angeles, Denver, Boston, New York City, and Washington DC, and offers a Starry Connect program for affordable access.

2 investors

Stirling Ultracold builds ultra-low temperature (ULT) freezers based on free-piston Stirling engine technology, offering high-density storage with lower energy consumption than conventional units. Its freezers serve research labs, hospitals, and cancer centers, and are sold directly and through laboratory supply distributors worldwide.

2 investors

Stormentum designs home energy storage systems with a focus on reducing costs through storage-first architecture, targeting residential adoption of modern energy systems.

2 investors

Stovekraft is a manufacturing-focused kitchen appliances company operating in India that designs and produces kitchen solutions. The company serves Indian consumers through a range of branded kitchen appliances and has established itself as a leading player in the domestic market.

2 investors

StretchSense develops a control platform for managing extended reality (XR) headsets during instructor-led training, enabling real-time monitoring of learner progress, performance analytics, and device management across educational and industrial settings.

2 investors

Stride Soles develops custom orthotics designed using mobile foot scanning technology and clinical data to deliver personalized insoles. The company serves athletes and individuals seeking medical-grade foot support without traditional in-person podiatrist visits and long wait times.

2 investors

Strive develops smart apparel and a hardware-software ecosystem that captures muscle and motion data to deliver performance insights for elite athletes, teams, and the U.S. Military. The platform helps users optimize training, reduce injury risk, and compete at peak physical performance.

2 investors

SmartVélo Mobility builds cargo e-bikes and an accompanying fleet-management system for business delivery operations, offering two bike models with GPS-tracked IoT management, cobalt-free LiFePO4 batteries, and branded box/bag attachments. It positions its product as a combined service-and-system infrastructure for commercial delivery fleets.

2 investors

Studio 3e8 builds a desktop metal 3D printing system with an integrated hardware, software, and materials platform that runs on a standard outlet. The company targets designers and fabrication users, aiming to lower the cost and complexity of professional-grade metal additive manufacturing.

2 investors