Defense Tech Startups

Havik Solutions develops portable military training and simulation systems using commercial off-the-shelf hardware and advanced gaming technology, serving U.S. Department of Defense operators and units for mission readiness, call-for-fires training, and distributed combat scenario exercises.

1 investor

HDT Global designs and manufactures expeditionary equipment for military, government, industrial, and commercial customers, including shelters, environmental control units, power generation systems, robotics, CBRN protection, and emergency medical products. Its offerings span advanced materials engineering, mechatronics, and engineering, manufacturing, and technical support services.

1 investor

Helicon Industries manufactures advanced composite parts for unmanned systems.

1 investor

Hellen Systems develops eLORAN, a terrestrial positioning, navigation, and timing (PNT) technology that serves as an independent complement to GPS/GNSS for critical infrastructure, government, and commercial customers. The company integrates low-frequency transmission, timing equipment, antenna design, and cybersecurity to provide resilience against satellite service disruptions.

1 investor

HEN Technologies builds an integrated fire defense platform combining re-engineered suppression hardware (nozzles, monitors, pump controls), a data layer, and real-time AI incident-command software (FLUID-IQ and STAR-IQ). It serves fire departments, military branches, and industrial and government organizations across 15+ countries for wildland and structural firefighting.

1 investor

Héroux-Devtek is a global supplier of landing gear solutions for the aerospace market, specializing in the design, development, manufacturing, repair, and maintenance of landing gear and actuation systems and components. It operates facilities across North America and Europe.

1 investor

Herrick Technology Labs designs and manufactures software defined radio (SDR) systems and modular electronic warfare hardware — including 3U VPX, SOSA-aligned, CMOSS-compliant chassis, enclosures, and modules — for military land, air, and sea operations. It provides low-SWaP, turn-key radio and EW solutions for defense and tactical mission use.

1 investor

Hexcel produces carbon fiber, honeycomb, and other composite materials for the commercial aerospace, space, and defense industries, and also supplies composites technologies to industrial markets. It is a large supplier of aerospace carbon fiber and serves U.S. military programs.

1 investor

Highwater is the global parent company providing independent naval vessel preservation services, including blasting, painting, protective coatings, corrosion mitigation, structural support, scaffolding, and acoustic tile work. It serves naval fleets—submarines, carriers, and surface combatants—for defense programs in the United States and Australia.

1 investor

HII designs, builds, and maintains military ships—including amphibious ships, destroyers, cutters, and aircraft carriers—for the U.S. Navy and U.S. Coast Guard, and develops integrated all-domain defense products through its Mission Technologies division. It operates three divisions (Ingalls Shipbuilding, Newport News Shipbuilding, and Mission Technologies) serving U.S. national defense.

1 investor

Himera builds secured communication systems designed to operate in environments with electronic warfare and radio jamming, using encryption, mesh/MANET networking, frequency hopping, and blue-force tracking. Its products include the G1 Pro portable radio and the B1 autonomous repeater, configured through a secure Android application and integrated with situational awareness systems.

1 investor

Hive Robotics develops command, control, and connectivity software for unmanned aerial, ground, and water-based robots and drones, including swarming and teaming capabilities. The platform serves defense, aerospace, and industrial operators requiring secure multi-domain robotic operations in GPS-denied environments.

1 investor

Holonic (Holonic Technologies) develops CodeIntent, a deterministic semantic AI platform for understanding and converting large-scale, undocumented legacy code into modernizable systems. It targets government and enterprise clients, including defense programs, that require provable, auditable, and traceable code transformations.

1 investor

Hoplynk develops AI-native network control software that configures, protects, and optimizes connectivity across devices, vehicles, and systems. The company serves organizations seeking simpler, more intelligent, and resilient network infrastructure.

1 investor

HumanSystems® Incorporated (HSI) provides human system integration, human factors engineering, and human performance consulting to make systems and personnel safer and more effective. It serves defense and military organizations as well as healthcare and other clients, with work spanning Canada, the U.S., and internationally.

1 investor

Hyperkelp develops persistent, rugged maritime sensing platforms that collect real-time ocean data for defense, commercial, and environmental monitoring applications. The platforms feature edge autonomy, secure communications, and modular payloads for coastal and open-ocean deployments.

1 investor

HyperSpectral develops a spectral sensing and AI layer for Physical AI that interprets matter through spectral data, molecular identification, and AI architecture. Its work spans applications in life sciences, defense, and enterprise, with experience in FDA regulatory pathways and clinical validation.

1 investor

HyperSphere builds a Data Neutralization Appliance (DNA) that sits between applications and S3-compatible object storage to encrypt and decrypt data using ephemeral, never-stored keys, so that exfiltrated data remains cryptographically unusable. It targets enterprise sectors such as financial services, healthcare, and AI infrastructure, as well as defense and government, and is available in the AWS Marketplace.

1 investor

HyperTunnel develops extended reality (XR) solutions for frontline workers in high-stakes industries including aerospace, defense, manufacturing, and logistics. The platform enables workers to visualize complex data, collaborate intuitively, and perform operational tasks with greater precision through spatial computing and digital twin technologies.

1 investor

ideaForge develops drones and unmanned aerial vehicle (UAV) systems. The available page content is limited to navigation and contact details, providing minimal detail about specific products or customers.

1 investor

ST Engineering iDirect develops satellite communication technologies and connectivity solutions for defense, government, enterprise, and media customers. The company provides satellite connection platforms and services for global connectivity applications.

1 investor

Illumia Labs builds human-in-the-loop multi-agent AI for high-stakes environments, capturing expert knowledge to accelerate training and provide real-time decision support. It serves organizations in defense, healthcare, and government for mission-critical training and operations.

1 investor

Imagesat International (ISI) provides end-to-end space intelligence, combining Earth observation satellites, ground and space infrastructure, and AI-driven geospatial analytics. It serves government and defense customers with sovereign or as-a-service satellite imagery and its GEOIMPACT intelligence platform.

1 investor

iMetalX develops real-time perception and characterization software for space object tracking and orbital operations, serving U.S. national security missions. The company provides decision support, autonomous maneuver planning, and command-and-control systems for space domain awareness and space control operations.

1 investor