Defense Tech Startups

Reditus Space builds reusable spacecraft systems that enable routine return of cargo from low Earth orbit, supporting in-space manufacturing and physical industrialization of space. The company provides infrastructure for commercial operators and manufacturers to deliver products and materials back to Earth economically.

5 investors

ReOrbit is a space technology company that manufactures satellites and connected systems for national security, serving government and military customers seeking sovereign control of their space infrastructure and data. It offers co-development and knowledge transfer to help countries build national satellite capabilities, supporting clients from concept through deployment.

5 investors

Scout develops Fury, a multimodal foundation model for defense robotics that lets operators command fleets of heterogeneous ground, air, sea, and space robots via natural language and coordinate them autonomously. The company builds hardware-agnostic embodied AI intended for the US military and defense-ecosystem partners.

5 investors

SkyfireAI develops autonomous drone systems with AI-powered threat detection for first responders and security applications, reducing response times and false alarms in emergency situations.

5 investors

Skyfront develops long-endurance hybrid-electric drones for defense and commercial applications, including surveillance and detection missions. The company's Perimeter drone achieves up to 13 hours of flight time while carrying large sensor payloads at a lower cost than traditional manned aircraft.

5 investors

Slingshot provides real-time operational intelligence and autonomous coordination software for space operations, serving defense, commercial, and sovereign operators. The company transforms sensor data into actionable intelligence to enable faster decision-making and autonomous action in space.

5 investors

Valion Bio (Nasdaq: VBIO) is a clinical-stage immunotherapeutics company developing Entolimod, a TLR5 agonist that activates the innate immune system, for Acute Radiation Syndrome and oncology supportive care such as chemotherapy- and radiation-induced neutropenia. It also owns Velocity Bioworks, a U.S.-based contract development and manufacturing organization (CDMO) in San Antonio, Texas.

5 investors

Turbine One develops edge computing and autonomous fleet management software for military and defense operations. The platform ingests sensor data, coordinates decision-making across teams, and orchestrates synchronized systems for contested environments.

5 investors

UNION develops software and industrial operations systems for manufacturing, including a command platform (Faction) for planning and execution, and an execution layer (Fabric) for machine coordination. The company targets defense and advanced manufacturing sectors with modular, autonomous factories designed for rapid retooling and continuous production capability.

5 investors

Vantage Robotics designs and manufactures American-made small UAVs (drones), including the pocket-sized Trace nano drone and the Vesper drone, along with a rugged flight controller, for defense, security, and inspection use. Its products offer stabilized EO/IR cameras, encrypted communications, and NDAA-compliant, Blue UAS-cleared manufacturing aimed at government and mission-critical field operators.

5 investors

Worldview provides high-altitude balloon remote sensing and persistent stratospheric observation, integrating sensors and platforms across air, stratosphere, and space into a unified intelligence workflow. It combines multiple sensing modalities (EO/FMV, IR, SAR, hyperspectral) to deliver decision-grade intelligence for defense, government, and commercial missions.

5 investors

X-Bow Systems is a non-traditional producer of solid rocket motors that leverages advanced additive manufacturing techniques to deliver customizable, high-performance rocket motors and comprehensive flight test services for defense and space applications.

5 investors

ARMR Systems develops a wearable vascular clamp system for rapid hemorrhage control in trauma situations where medical help is not immediately available. The technology is designed for soldiers, first responders, and emergency personnel to stop life-threatening bleeding without advanced medical training.

4 investors

Aalyria develops software and hardware for managing wireless networks in motion, including directional optical communications terminals and a managed platform for orchestrating satellite, airborne, and terrestrial networks. The company serves commercial satellite operators, telecommunications providers, defense agencies, and space organizations.

4 investors

Altamira Technologies Corporation provides intelligence and technical solutions for U.S. national security missions, serving Intelligence Community and Department of Defense customers across space, cyber, operations, and intelligence tradecraft mission sets. The company has supported these missions for over two decades from offices across the United States.

4 investors

AMCA operates a software-enabled contract manufacturing facility that combines traditional and additive manufacturing with AI-powered simulation tools for product design and engineering feedback. The company serves customers requiring high-assurance manufacturing, testing, and validation capabilities, particularly those needing DO and MIL-STD qualification.

4 investors

Anadyr Horizon builds predictive simulation software powered by what it calls Agentic Systems Intelligence (ASI), designed to model human decisions and strategic outcomes before they occur. Originating from a security simulation program at Harvard, the company positions its product as decision infrastructure for strategic foresight and escalation prediction.

4 investors

ANGOKA provides secure machine-to-machine communications for robotic, autonomous, and mission-critical systems operating across air, land, maritime, space, and critical infrastructure. Its technology includes a hybrid 5G-satcom secure mesh network with low-SWaP communication terminals, data-link optimisation, and segregated data streams.

4 investors

ARX Robotics develops robotics and sensor systems, with a stated focus on defense applications that protect people and support European sovereignty and security.

4 investors

Avalanche Energy develops compact fusion technology to generate high-energy neutrons for materials testing, radioisotope production, and advanced nuclear battery systems serving defense, space, and commercial power applications. The company also provides high-voltage vacuum components and operates FusionWERX, a commercial-scale fusion testing facility.

4 investors

AV builds integrated defense systems for allied military operators, including unmanned aircraft, loitering munitions, counter-UAS systems, ISR, directed energy, and autonomy software across air, land, sea, and space domains. The company reports more than 50,000 deployments across over 55 countries.

4 investors

BETA Technologies develops electric aircraft (including the ALIA eVTOL) and associated charging infrastructure for sustainable aviation. The company also runs a flight school and works with the FAA and other regulators on aircraft certification.

4 investors

Bioflyte provides chemical and biological threat detection solutions for critical infrastructure and business operations, enabling organizations to monitor, identify and respond to bio/chem threats. The company serves government agencies, critical infrastructure operators, and other organizations responsible for security and safety.

4 investors

BiomX builds a portfolio of defense and security companies through subsidiaries, partnerships, and acquisitions, focusing on detection systems, aerial technologies, and infrastructure security. It targets field-proven products serving homeland security, critical infrastructure, border, transportation, and public safety needs within a Detection, Analysis, and Response operational chain.

4 investors