Defense Tech Startups

Acalvio provides ShadowPlex, a deception-based security platform that detects reconnaissance, credential misuse, and lateral movement during red and purple team exercises across IT, cloud, and OT environments. The solution uses strategic deception, honeytokens, and decoys to deliver early detection of attacker behavior and validate defensive gaps without disrupting operations.

6 investors

Agile Space Industries manufactures in-space chemical propulsion systems including thrusters and rocket engines for satellite and spacecraft operations. The company serves customers in the space economy with vertically integrated design, manufacturing, and testing capabilities.

6 investors

Alta Ares builds an AI stack for autonomous air defense and ISTAR, including counter-drone interceptor effectors, an ISR product suite, and mission management software designed for contested, GNSS-denied environments. The company serves allied militaries, with a focus on European and allied defense markets.

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

Echodyne develops radar technology with a commitment to aerospace-grade quality standards and safety protocols.

6 investors

Ethos is an AI-enabled Human Readiness Platform that quantifies skills and competencies, assesses team proficiency, and drives targeted interventions to close knowledge gaps that lead to operational failures. It serves high-stakes organizations including U.S. military branches, Fortune 500 companies, and professional sports teams.

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

Magrathea develops a new electrolytic process to produce magnesium metal from seawater and brines, aiming to establish American and Western supply of this defense-critical material currently dominated by China.

6 investors

PlanetiQ operates a satellite constellation using NASA-heritage GNSS radio occultation (GNSS-RO) receivers to collect atmospheric data used as input for weather forecasting models. It provides precision data and AI-driven insights to government, defense, and industry customers for weather prediction and mission-critical operations.

6 investors

Primer builds AI-driven intelligence software that transforms large datasets into actionable insights for decision-making. The platform serves leaders, researchers, and analysts in government, defense, intelligence, and commercial sectors including finance, retail, and life sciences.

6 investors

Red 6 develops augmented reality technology to create adaptive, immersive simulated training environments used outdoors for military pilots and warfighters. The company focuses on defense training for the U.S. armed forces.

6 investors

Rocket.Chat is an open-source communication platform used by over 12 million users across more than 150 countries. The company provides messaging and collaboration tools for organizations, with special support programs for non-governmental organizations and developer communities.

6 investors

Scout Space develops technologies for real-time sensing, data processing, and autonomous systems to protect space infrastructure. The company serves space operators and addresses safety and operational challenges in the space economy.

6 investors

Swan provides a modular autonomy platform for autonomous systems to operate in contested environments with degraded or denied GPS/GNSS signals. The platform delivers navigation, sensing, mapping, and precision-targeting capabilities for defense and tactical operations.

6 investors

Varjo develops extended reality (XR) simulation technology for military and defense training applications, with products designed to train personnel in operations such as counter-drone tactics.

6 investors

Visionary Machines develops passive optical sensing systems that produce real-time, georeferenced 3D representations of the environment across multiple spectral bands, including in GPS-denied conditions. Its technology serves defence, government, and commercial sectors for applications such as counter-drone detection, off-road autonomous navigation, and surveillance and reconnaissance.

6 investors

9 Mothers builds counter-drone defense systems that enable rapid deployment of point defense at infantry-mobile scale. The company serves military operators and procurement teams with hardware engineered for cost-effective attrition warfare against modern threats like FPV drones.

5 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.

5 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.

5 investors

Andrenam focuses on maritime domain awareness, addressing the gap in knowledge about the ocean and undersea environment. The company positions its work as relevant to U.S. and allied strategic and defense interests in the maritime domain.

5 investors

ANELLO Photonics develops silicon photonics-based inertial navigation systems, specifically its SiPhOG platform, which delivers optical gyroscope performance in a chip-scale form factor for GPS-denied environments. The company serves defense, autonomous systems, and commercial markets requiring resilient navigation in contested or GPS-denied conditions across land, air, and sea operations.

5 investors

Test range infrastructure for autonomous vehicles (unmanned aerial, ground, and marine systems) serving commercial and defense sectors. The company operates facilities with sensors and recovery resources to validate hardware and software performance across realistic operational conditions.

5 investors

AnySignal builds a software-defined, full-stack RF platform providing communications, radar, and sensing across space, land, air, and sea domains. Its systems target defense and space missions, offering resilient, jam-resistant links and space-grade hardware for operations in contested environments.

5 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.

5 investors