Defense Tech Startups
1,584 companies tagged Defense Tech, with their investors and founders.
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.
6 investors
Aeon Industrial designs and builds weapon systems and targeting software for military operators, combining warfighter experience with engineering. Its products focus on precision targeting and autonomous weapon capabilities for battlefield use.
6 investors
Aerodome, part of Flock Safety, provides a Drone as First Responder (DFR) system that remotely deploys docked drones to 911 calls, license-plate hits, and gunshot alerts, streaming live HD, thermal, and night-vision video to first responders and dispatch. It serves public safety agencies and police departments with flight operations software, hardware, and support for FAA compliance.
6 investors
Alloy Enterprises designs and manufactures thermal management and cooling solutions for high-density servers and critical IT equipment. The company offers integrated cooling, lightweighting, and power efficiency optimization across the full product lifecycle from design through testing.
6 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.
6 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.
6 investors
Ascenti Tech builds WearTAK, a wrist-worn Tactical Assault Kit (TAK) end-user device that passively monitors operator vitals, drops MIL-STD-2525D map points, sends alerts, and provides microphone-based gunshot and UAS detection over existing TAK infrastructure. It serves military and public safety users, including U.S. and allied special forces, Air Force, Army, and fire departments, with encrypted communications and no external servers.
6 investors
Auterion develops products and services around open standards for autonomous systems technology, contributing to open source projects and supporting academic institutions.
6 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.
6 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.
6 investors
Bluewhite develops physical AI and autonomous technology for unmanned ground vehicles (UGVs), converting conventional ground operations into autonomous missions for use in defense, homeland security, and heavy industrial applications. Founded in 2017 by Israeli Air Force and autonomous technology veterans, it partners with OEMs, defense organizations, and allied governments and was acquired by Elbit Systems in 2026.
6 investors
Cambridge Terahertz commercializes terahertz sensor technology based on MIT research, delivering compact on-chip radar systems that use non-ionizing radio waves to create 3D images analyzed by AI. The technology miniaturizes capability previously available only in airport scanners for enterprise security and imaging applications.
6 investors
Cohere Technologies develops software for mobile and wireless networks, including its Universal Spectrum Multiplier (USM) for 4G and 5G and Pulsone technology based on the Zak-OTFS waveform, aimed at Mobile Network Operators. Its products support spatial multiplexing, Massive MIMO, and Open RAN/cloud architectures, and it also builds multi-waveform RAN technology for integrated sensing and communications (ISAC) under a U.S. government contract.
6 investors
Defense Unicorns delivers secure, vendor-lock-free software deployment solutions for the U.S. Department of Defense and mission-critical environments. The company helps government agencies and system integrators accelerate software delivery in air-gapped and classified networks while maintaining security compliance.
6 investors
Dhruva Space provides satellite launch solutions, including a range of space-qualified CubeSat orbital deployers (1–32 kg payloads) and integrated small satellite launch services across multiple launch vehicles such as PSLV, SSLV, Falcon, and Vikram. It also offers constellation deployment, hosted payload, and assembly, integration, and launch services for low Earth orbit and other missions.
6 investors
Flyby Robotics builds the F-11 Series of US-made drones with onboard NVIDIA Jetson compute, an open GPU, and ArduPilot flight controller, aimed at both operators running ISR, photogrammetry, and mapping missions and developers deploying custom on-edge AI applications. The platform offers NDAA-compliant options, RTK GPS geotagging, EW-resistant C2 links, and support for pre-integrated or custom payloads.
6 investors
Fortem Technologies builds counter-unmanned aerial systems (C-UAS), including TrueView radars, DroneHunter interceptors, and SkyDome Manager software, integrated into the end-to-end SkyDome System for detecting and defeating unauthorized drones. It serves military, government, and commercial customers for airspace security, ISR, and perimeter defense, and is also working toward advanced air mobility (AAM).
6 investors
Grid develops uncrewed, long-range cargo aircraft ("Lifter") that carry heavy payloads over thousands of miles, operated as a distributed, autonomous mesh network managed by small ground teams. The aircraft use an autonomy stack combining classical controls and AI for logistics in strategic and contested environments.
6 investors
Kraken Technology develops next-generation maritime systems and platforms, drawing on engineering experience from world-championship offshore powerboat racing. The company focuses on maritime and defence capability, combining operators, engineers, and strategic advisors.
6 investors
Lagrange builds cryptographic infrastructure for verifiable compute, with two products: Halo, which coordinates distributed autonomous systems in degraded or contested conditions for defense applications, and DeepProve, which generates zero-knowledge proofs verifying that AI inference outputs came from a specific model and inputs. It also operates a decentralized ZK prover network live on EigenLayer, providing proofs for rollups, apps, ZK coprocessors, and AI.
6 investors
Long Wall develops missile defense systems, including its Cyclops, RSX, and Ironwood products, building on prior R&D to deliver defense technology for government and military customers. The company designs, builds, and operates these systems with engineering, quality, licensing, and flight operations capabilities.
6 investors
Lookup Space is a space company whose team page lists its leadership across operations, engineering, product, and commercial functions. The page does not describe the specific product or service offered.
6 investors
Merlin develops autonomy software for crewed and uncrewed aircraft for military and civil applications. The AI-powered software platform is aircraft-agnostic and designed for legacy and next-generation airborne systems, with operational use demonstrated through hundreds of autonomous flight hours.
6 investors
nLIGHT designs and manufactures high-power semiconductor lasers for defense systems, directed energy applications, and advanced manufacturing. The company provides vertically integrated laser solutions from semiconductor chips to complete systems.
6 investors
















