Defense Tech Startups
1,120 companies tagged Defense Tech, with their investors and founders.
BSemis builds intelligent, high-reliability sensors across the imaging spectrum that connect devices and enable edge AI for real-time insights in mission-critical applications. Its sensors serve surveillance, military/defense, automotive, and IoT/machine vision customers.
1 investor
C-ASTRAL develops small unmanned aircraft systems, including fixed-wing and eVTOL drones, for ISR (intelligence, surveillance, reconnaissance), surveillance, surveying, remote sensing, and precision agriculture applications. Its systems, such as the BRAMOR and ATLAS-AS90X lines, serve first responders, special operations forces, and mapping/surveying users, with payload gimbals, long endurance, and high-precision data capture.
1 investor
C2GRID builds a geospatial awareness and decision-support platform that converts video, including drone footage, into near real-time 3D operational environments with multi-sensor data fusion and automated threat detection. It serves military operators and defence and security organisations, with the team also exploring civilian applications such as emergency response, infrastructure monitoring, and industrial inspection.
1 investor
Cachai develops collaborative autonomy software that converts hub-dependent systems into consensus-based distributed ones for mission-critical and defense applications. Its technology lets many devices operate as a coordinated swarm that divides tasks and adapts without a single point of failure.
1 investor
Caeli Nova, founded in 2018, develops physiological monitoring technology for fast jet aircrew that aims to improve safety, optimize performance, and reduce operational downtime, drawing on respiratory physiology, medical research, and aerospace engineering. Its roadmap extends to broader military personnel and other sectors where human performance is critical.
1 investor
Campbell Grinder Company designs and manufactures customizable vertical, creep feed, and 5-axis grinding machines for OEM and Tier 1 manufacturers, including makers of aerospace engines and land-based military applications. The machines handle grinding operations such as ID, OD, taper, and form grinding, and can also turn, mill, drill, and probe.
1 investor
The Canadian Armed Forces recruiting website provides information on military careers, occupations, pay, and benefits for prospective and former members in Canada. It covers enrolment, re-enrolment, and recruiting centre details for the country's armed forces.
1 investor
Canadian Strategic Missions Corporation (CSMC) develops dual-use space and defence technologies through two subsidiaries: CSMC Nuclear, which builds portable micro-nuclear reactors (LEUNR) for remote environments, and CSMC Labs, an R&D division commercializing deep-tech in quantum, robotics, nano-materials, and space systems. Its nuclear reactors target Canadian defence, Indigenous communities, and space exploration.
1 investor
Canopy Aerospace & Defense engineers advanced materials and components β including CNC machined parts, composites, thermal protection systems, and soft goods β and manages the value chain from design through production and sustainment. It serves aerospace, space, and defense customers, operating manufacturing and R&D facilities across the US and Europe.
1 investor
Safran Data Systems, a subsidiary of Safran Electronics & Defense, develops instrumentation, telemetry, and mission data management equipment and satellite ground station communications for aerospace, defense, and space applications. It serves space agencies, satellite providers, governments, integrators, and industrial customers in sectors including aviation and automotive.
1 investor
CERBAIR builds radiofrequency-based counter-drone systems for detecting, characterizing, and neutralizing malicious drones, serving armed forces, law enforcement, government sites, critical infrastructure, and large events. The French company deploys its systems in France and over 14 countries.
1 investor
Certus Core builds IBISβ’, an edge-deployable knowledge platform that combines agentic AI, natural-language querying, and AI governance to let teams connect, verify, and act on data from heterogeneous sensors. It targets defense and electronic warfare use cases, running on portable hardware without cloud or network infrastructure for military and mission environments.
1 investor
Chaac develops virtual reality training experiences, UAV/drone applications, aerial 3D modeling, and georeferenced field data collection using emerging technologies. Its solutions target workplace training and military operational readiness alongside industrial field operations.
1 investor
Chateauz provides a simulation and decision intelligence platform for evaluating infrastructure and capital decisions under uncertainty before deployment. Designed for energy, industrial, space, and defense sectors, it quantifies risk and creates an auditable record of decision-making processes.
1 investor
Chironix designs and deploys autonomous robotic systems that work alongside human teams to automate hazardous or routine tasks such as asset inspection, transport and security across mining, oil and gas, defence and medical applications. It also develops PilotOS, a control software platform compatible with ROS-operated robots, and distributes third-party robotic hardware in the Asia-Pacific region.
1 investor
Cigent develops data-at-rest security technology, including SSDs, firmware, and software, to protect data throughout its lifecycle against advanced data recovery and exfiltration. It serves defense, government, and commercial organizations, with solutions validated by US agencies such as NSA, NIAP, and DISA.
1 investor
Circle Optics develops 360-degree multi-camera imaging systems, including its Hydra product, which uses a patented method of aligning fields-of-view to eliminate image stitching. It targets aerospace, autonomous systems, and entertainment sectors for applications in situational awareness and immersive experiences.
1 investor
Civitanavi Systems designs, develops, and manufactures inertial navigation, geo-referencing, and stabilization systems, using in-house Fiber Optic Gyroscope (FOG) manufacturing, MEMS sensors, and inertial sensor fusion algorithms. It serves industrial customers (mining, oil and gas, marine) and defence markets across naval, land, and air domains.
1 investor
Claresys is a UK company that designs and supplies covert video surveillance products, including intrusive pinhole lenses, compact telephoto and long-range PTZ lenses, and ruggedised cameras. It serves specialist security and government end-users, offering custom and OEM optical and opto-electronic systems subject to UK export controls.
1 investor
ClearDrop develops a compact electronic device that uses invisible acoustic surface vibrations to clear water, mud, snow, frost, sand, and dust from protective glass without mechanical parts. The technology targets optical systems across industries including defense surveillance, sporting events, and smart agriculture.
1 investor
Clearview AI develops a facial recognition platform trained on a large image dataset, used to identify suspects, witnesses, and victims. It serves law enforcement agencies and organizations focused on public safety, national security, and secure commerce in the U.S.
1 investor
Cleyrop provides a sovereign Data & AI platform for organizations in sensitive sectors such as defense, aerospace, government, nuclear, and healthcare. Its products include a data management platform, a secure enterprise AI chat ("Le Druide"), and tools to build and deploy AI agents and apps, with hosting options including ISO27001, SecNumCloud, or on-premise. It targets the French/European market with an emphasis on data sovereignty.
1 investor
CMI Group is a precision manufacturing company that produces machined component parts and small assembled components. It serves the aerospace, defense, space, and commercial industries.
1 investor
Columbia builds, operates, and maintains heavy-lift helicopters for missions in remote and challenging locations. Its services include aerial firefighting, defense, forestry, construction, and disaster relief.
1 investor





