Defense Tech Startups

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

Epirus develops high-power microwave systems and electronic warfare technology for defense applications, including counter-unmanned aircraft systems for the U.S. military. The company serves government defense agencies and offers contracting vehicles and prototype solutions for advanced defense capabilities.

8 investors

Firehawk Aerospace manufactures solid rocket motors, energetic materials, and propellant using additive (3D printing) manufacturing to produce propellant grains and hybrid rocket engine components. It serves the U.S. defense sector, aiming to modernize propulsion supply chains for military applications.

8 investors

Harmattan AI develops autonomous systems for military and defense forces, focused on coordinating groups of autonomous platforms across operations and delivering payloads such as electronic warfare systems. It works with national defense clients, including programs with France and Morocco.

8 investors

Icarus designs and manufactures solar-powered autonomous aircraft that fly for months at the edge of space. The company serves applications requiring long-duration stratospheric surveillance and monitoring.

8 investors

Infleqtion develops quantum-enabled hardware and AI-powered products for positioning, navigation, and timing (PNT), including optical atomic clocks, quantum sensing, and quantum computing, serving commercial organizations and government/defense customers. Its UK subsidiary conducts research and manufacturing of quantum subsystems such as cold atom sources, atomic vapor cells, and photonic frequency combs.

8 investors

LeoLabs operates a network of ground-based radars and an AI-enabled cloud platform that tracks and maps objects and activity in low Earth orbit. It provides space domain awareness, space traffic management, and launch and operations support such as collision avoidance and threat monitoring for satellite operators and defense customers.

8 investors

SeaSats develops autonomous maritime vessels ("Lightfish" and "Quickfish") for ocean surveillance, intelligence gathering, and domain awareness. The company serves defense, government, and maritime security customers requiring real-time monitoring of coastal and open ocean areas.

8 investors

SkyFi operates a platform that provides access to satellite imagery and Earth observation analytics from multiple providers through a single, user-friendly interface with transparent pricing. The platform serves commercial and government sectors across various industries needing geospatial insights for decision-making.

8 investors

Venus Aerospace develops Rotating Detonation Rocket Engine (RDRE) propulsion technology, having flown a high-thrust RDRE. Its engines target defense, space, and high-speed commercial aviation applications.

8 investors

Voyager is a space company that recruits full-time staff and interns to work on space-related products and missions. This page is a careers/jobs listing outlining open roles and employee benefits.

8 investors

XTEND develops AI-powered operating systems and mission platforms for unmanned aerial and ground systems, enabling single operators to command and autonomously coordinate multiple assets across military and defense operations. The company serves defense organizations and tactical teams requiring reliable autonomous coordination in complex environments.

8 investors

Astra provides dedicated orbital launch services and manufactures electric propulsion systems for satellites. The company serves government and commercial customers seeking responsive space access and on-orbit satellite operations.

7 investors

Birdstop manufactures drone technology for government and industrial clients. The company specializes in remote sensing and aerial systems.

7 investors

Chariot develops transportable power systems and high-voltage power distribution equipment for military and tactical operations in field conditions. The company serves defense and expeditionary teams requiring sustained, portable power beyond grid infrastructure.

7 investors

Constellr builds and operates custom thermal-imaging satellites and an end-to-end system that measures surface temperature globally to deliver thermal intelligence on human activity, infrastructure load, and environmental stress. It targets defense operations and strategic planning, offering calibrated thermal measurements and analytics for mission readiness.

7 investors

Modern Intelligence builds artificial intelligence software for defense applications, providing target analysis and decision-making from small data samples. Its hardware- and software-agnostic AI integrates across platforms and is aimed at commercial industry and defense customers.

7 investors

North Vector Dynamics is a Canadian defence technology company developing precision interception, autonomy, and advanced propulsion systems, including counter-UAS solutions and hypersonics. It aims to build a full-spectrum sovereign missile capability for Canada and its allies, partnering with defence primes and systems integrators.

7 investors

Pano develops artificial intelligence and machine learning technology solutions to help utility companies and fire agencies detect and manage wildfire threats. The company serves emergency managers and professionals in the utility and fire industries seeking to protect communities from wildfires.

7 investors

RackTop Systems develops BrickStor, a cyberstorage platform that actively defends data against ransomware, insider threats, and data theft through inline inspection and real-time response at the storage layer. The platform serves federal agencies, defense organizations, and commercial enterprises that require active data protection capabilities.

7 investors

RunSafe Security develops cybersecurity software that hardens embedded systems and commercial/defense software against exploitation by disrupting the determinism attackers need to build reliable exploits. The company serves organizations across commercial and defense sectors seeking to protect mission-critical software and connected devices.

7 investors

SatVu operates satellites that capture high-resolution thermal infrared imagery and video (up to 3.5 m resolution) of the Earth's surface, day and night. The data supports applications including economic monitoring, national security, and climate resilience such as urban heat monitoring.

7 investors

Sea Machines develops autonomous command and control technology and computer vision systems for maritime vessels. The company serves the global shipping and marine industries with AI-powered navigation and autonomy solutions deployed on commercial and government vessels worldwide.

7 investors

CesiumAstro develops AI-enhanced, software-defined communications systems for space, air, and ground domain applications. The company provides advanced communication capabilities to mission-critical users across multiple operational environments.

7 investors