Hardware Startups

KidKraft manufactures wooden outdoor playground equipment and playsets for children, including swing sets and clubhouse structures.

2 investors

Kingdom manufactures robotic lawn mowers designed for large commercial terrains such as golf courses, sports fields, parks, and campuses. The robots operate autonomously with sensor fusion technology and are controlled via a mobile app for remote monitoring and management.

2 investors

Kibeam develops learning and play products aimed at improving childhood literacy in the US. The company focuses on education for children through tools that combine learning, play, and connection.

2 investors

KIRIU manufactures automotive brake and suspension-related safety components for global vehicle manufacturers, with expertise in optimized design, noise reduction, and lightweight engineering. The company operates as a core division of Sumitomo Corporation's automotive parts business across 16 facilities in 8 countries.

2 investors

KISAB operates cleanroom and laboratory facilities for semiconductor manufacturing operations in Sweden. The company provides specialized infrastructure and secure storage with 24/7 technical support.

2 investors

KKSP Precision Machining produces custom screw machine parts to exact customer specifications for manufacturing industries. Established in 1968, it operates the largest machine shop network in North America with over 425 machines across four U.S. and Mexico locations, offering high-precision manufacturing with ISO/IATF 16949 certification.

2 investors

KLOwen Orthodontics builds a full custom digital orthodontic system, including a custom bracket portfolio, cloud-based treatment planning software, a digital lab, and 3D-printed indirect bonding trays. It serves licensed orthodontists, aiming to reduce treatment time and the number of patient appointments.

2 investors

KNL builds Cognitive Networked HF (CNHF) software-defined radio systems that provide long-range, beyond-line-of-sight communications for military and security operations. The company serves government, defence, and security customers globally with secure, reliable connectivity in contested and extreme environments.

2 investors

Kognitive Networks builds cloud-managed SD-WAN and SASE networking solutions that combine satellite, 5G, and terrestrial connectivity into a single secure network fabric. It serves industries operating in maritime, aviation, and remote-edge environments worldwide.

2 investors

Koherent develops a long-range radio positioning system based on radio interferometry principles, designed for precision localization in industrial applications including construction, mining, logistics, and machine automation.

2 investors

Kolibree makes a smart toothbrush system for children that combines a connected brush with an augmented reality app featuring game worlds and brushing coaching, with a one-time purchase model alongside optional premium subscription content.

2 investors

Kolmostar develops ultra low power GNSS SoC sensors for integration into devices.

2 investors

Koloni builds smart locker systems that help organizations manage assets, deliveries, and storage. Its intelligent storage infrastructure serves businesses and communities across various industries.

2 investors

KORE develops an SGP.32 eSIM solution for enterprise IoT deployments, enabling flexible, programmable connectivity that can be managed and adapted remotely across global, long-lived device fleets. The platform is designed for headless and hard-to-access IoT devices that require centralized orchestration without physical SIM intervention.

2 investors

Korrus makes the OIO System, a circadian lighting ecosystem consisting of smart bulbs, a spectral-control app, and a light sensor that shift light spectrum through the day to support focus and alertness and remove blue light at night to aid sleep. The consumer products aim to align household lighting with the body's circadian rhythm.

2 investors

KPMI develops uni-directional composite materials marketed as FLEXARMOUR, using Aramid UD and UHMWPE UD fiber technologies for high-performance applications. The company serves aerospace, automotive, sports equipment, and ballistic protection industries requiring specialized mechanical properties.

2 investors

Kratos develops and manufactures defense technologies including hypersonic solutions, unmanned systems, propulsion systems, space systems, and microwave electronics for the U.S. military and allied nations.

2 investors

Kreios Space develops satellite technology designed to operate in Very Low Earth Orbit (200km), enabling sustained operations for higher-resolution Earth observation, improved satellite communications, and more responsive missions. The company uses ABEP-based satellite design to allow satellites to fly lower, longer, and more efficiently than conventional satellites.

2 investors

Kremenak NanoTech (KNT) is a deep tech startup that develops patented and patent-pending nanoengineered material platform technologies and products, including Shredder, which uses material science to prevent microbial spoilage in commercial beverage production. Its R&D laboratory operates out of the University of Missouri Life Science Business Incubator.

2 investors

KubeSail provides tools and custom hardware for self-hosting applications at home, letting individuals run apps like PhotoPrism, NocoDB, and Minecraft while retaining ownership of their data. For businesses, it offers on-demand deployment of software instances to end users, either in the cloud or via pre-configured shipped hardware.

2 investors

Kubos Semiconductors develops a Cubic GaN growth process to produce more efficient long-wavelength (green, amber, red) LEDs and full-colour microLED displays for applications including AR/VR headsets, TVs, general lighting, and visible light communications. Its technology is compatible with standard silicon CMOS substrates and MOCVD production tools, serving the LED and display device market.

2 investors

Kuprion develops ActiveCopper materials and printable conductive inks used to manage heat in high-power, high-temperature electronic systems, serving electronics engineers and manufacturers across industries including semiconductor packaging, electric vehicles, and 5G communications. Spun out of Lockheed Martin, the company supplies copper interconnect and adhesive materials for improved electronics performance and reliability.

2 investors

Kura develops AI-powered augmented reality glasses with features including a high-performance AR display, 6-DoF head tracking, SLAM environment mapping, eye-tracking, and gesture input. The hardware supports Unity, Unreal, and OpenXR development and includes a telepresence platform with robotics integration and AI app development toolkits.

2 investors

Kwema makes wearable safety devices that let workers discreetly call for help within seconds during workplace emergencies or acts of violence. Originally built to prevent gender-based violence, the products now target broader worker safety needs.

2 investors