Defense Tech Startups
1,128 companies tagged Defense Tech, with their investors and founders.
Albedo develops a flight-proven platform for Very Low Earth Orbit operations, providing satellite-based insights and connectivity services for national security and critical infrastructure systems. The company focuses on making space infrastructure operationally viable and resilient.
11 investors
Antares Industries develops nuclear reactor technology, with teams spanning nuclear, reactor hardware, and mission engineering as well as manufacturing and regulatory operations. The company works in the nuclear energy and deeptech sector.
11 investors
Hadrian operates AI-powered precision manufacturing factories for the aerospace and defense industrial base, producing precision components and offering manufacturing capacity as a service. Its Opus platform interprets legacy designs and automates production and inspection while training factory technicians, serving U.S. defense and industrial customers.
11 investors
Inversion develops spacecraft and systems to establish Low-Earth Orbit as an on-demand logistics network for rapid global transportation and defense applications. The company manufactures reentry vehicles and related hardware to enable cargo transportation across Earth via space.
11 investors
Quantum Systems designs and manufactures electric vertical take-off and landing (eVTOL) unmanned aerial systems for military, defense, and commercial customers to collect aerial intelligence and real-time mission-critical data. The company develops hardware and software integrated platforms for geospatial operations, security, and situational awareness across government and private sectors.
11 investors
Second Front delivers software solutions to government and allied democracies to accelerate access to emerging technologies. The company operates as a public-benefit corporation focused on strengthening global security through improved technology acquisition and deployment.
11 investors
Umbra designs, builds, tests, and operates satellite systems with precision radar imagery capabilities for space-based missions and intelligence applications. The company provides end-to-end spacecraft and sensor solutions for government and defense customers globally.
11 investors
Airspace Link provides a unified platform (AirHub Portal) for airspace security, drone operations management, and air traffic coordination, serving government agencies, defense organizations, and commercial enterprises operating unmanned aircraft systems.
10 investors
Chaos Inc. develops portable radar systems and unmanned aerial system (UAS) detection technology for defense applications, offering efficient multi-target tracking and rapid deployment capabilities.
10 investors
Cognitive Space develops AI-driven automation software for satellite operations, enabling constellation operators to scale while meeting operational requirements. The platform serves satellite operators and government agencies managing distributed space systems.
10 investors
Forterra develops autonomous weapons, sensors, and battlefield systems using distributed control networks for defense operations. The company also operates in commercial sectors including autonomous transit buses, yard trucks, and agricultural vehicles.
10 investors
Hadean is a deep-tech company that builds distributed computing technology. The company positions itself as a scale-up that grew from an early-stage deep-tech startup.
10 investors
Havoc develops software for coordinating autonomous vehicles across air, sea, and land domains, enabling operators to supervise hundreds or thousands of autonomous assets simultaneously through a unified control platform. The company serves defense and mission-critical applications requiring resilient multi-asset autonomy in degraded communication environments.
10 investors
Hermeus is a high-speed aircraft manufacturer developing unmanned, hypersonic aircraft for defense and national security missions. The company works with the Department of War and other government organizations to deliver advanced aerospace capabilities.
10 investors
Advanced Navigation develops navigation and positioning systems using inertial, photonic, and quantum sensing technologies for autonomous systems across defense, space, climate science, and commercial applications. The company specializes in GPS-independent autonomy and assured position, navigation, and timing (APNT) solutions.
9 investors
Bounce Imaging manufactures tactical 360-degree camera systems and robotics for first responders, law enforcement, and military personnel to safely assess confined spaces. The company serves state and local agencies, federal organizations including the FBI and Department of Defense, and civilian emergency response teams.
9 investors
CesiumAstro builds software-defined, AI-enhanced communications systems for space, air, and ground applications. The company provides mission-critical communication hardware and solutions for a range of aerospace and defense uses.
9 investors
Pyka develops all-electric cargo aircraft for military logistics applications. The company delivers autonomous aircraft to the U.S. Air Force through AFWERX to support contested logistics operations.
9 investors
Ursa Major develops flight-proven aerospace and defense systems, including hypersonic engines, solid rocket motors, and space mobility solutions for military and defense applications. The company combines additive manufacturing with rapid development to deliver systems for land, sea, air, and space domains.
9 investors
Vulcan Elements manufactures rare earth magnets for critical applications in defense, semiconductors, satellites, data centers, and industrial equipment. The company is building a Western supply chain focused on resilience and security for the U.S. and allied nations.
9 investors
Airspace Intelligence develops predictive software for mission-critical operations in defense and infrastructure sectors, serving large airlines and US government agencies. The company uses geospatial AI and machine learning to provide decision-makers with predictive capabilities rather than reactive visibility into complex operational environments.
8 investors
Allen Control Systems develops autonomous precision weapon systems designed to counter unmanned aerial threats for military and allied forces. The company specializes in counter-drone technologies and autonomous systems for modern warfare applications.
8 investors
Aurelius Systems builds Archimedes, an autonomous counter-UAS laser system that combines high-power directed energy, optical sensors, and AI to detect, track, and neutralize aerial drone threats without an operator. It targets defense applications, protecting military forces, facilities, and critical infrastructure.
8 investors
Auriga develops electromagnetic launch technology used for ground-based hypersonic testing, deployment of unmanned systems and effectors, missile defense interceptors without rocket motors, and responsive launch to low Earth orbit. It serves defense and commercial space customers with platforms that replace conventional propulsion and rocket first stages.
8 investors










