Defense Tech Startups
1,584 companies tagged Defense Tech, with their investors and founders.
HighGround provides investment research and intelligence tools for defense sector investors, including private equity, venture capital, and sell-side teams. The platform offers contract-level federal procurement data, policy-driven capital flow analysis, and competitive risk modeling to support investment underwriting and decision-making.
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 is a defense contractor with three divisions: Ingalls Shipbuilding and Newport News Shipbuilding, which design and build naval vessels for the U.S. Navy, and Mission Technologies, which develops integrated defense solutions including C5ISR systems, AI/ML applications, cyberspace capabilities, and unmanned systems. The company serves the U.S. Department of Defense and operates as a critical supplier of military platforms and all-domain defense solutions.
1 investor
HIMERA develops tactical radio communication systems designed to be resistant to electronic warfare (EW), hard to detect, and simple to use for military units. Founded to address frontline communication needs, it serves defense forces, including the Ukrainian Defense Forces, and has begun supplying the US market.
1 investor
HIPER Global designs and delivers compute-based products and hardware solutions for technology and defense companies globally, with over 30 years of experience. The company provides engineering, design, testing, and integration services to help customers accelerate innovation across defense and commercial sectors in more than 50 countries.
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
HKT Kabeltechnik develops and manufactures complex cabling systems and cable assemblies for aerospace, defense, and safety-critical applications, including wiring for cockpits, cargo systems, rockets, missiles, and turbines. It also produces custom connector series, overmolded and potted junctions, laser-marked and braided cables, and waterproof shrink-technology wiring systems, in operation since 1998.
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
Horizon Technologies is an OEM developing airborne satellite phone monitoring and signals intelligence (SIGINT) systems used to detect and geolocate satellite phone communications. Its products serve military, defense, and maritime surveillance customers, including NATO and government agencies, for applications such as counter-piracy, search and rescue, and maritime domain awareness.
1 investor
HTX Labs builds advanced training and operational preparedness capabilities, including the EMPACT platform leveraging immersive technologies (VR, MR, AR) and AI, designed to help warfighters prepare for real-world missions. The company serves defense and military customers with software solutions focused on mission readiness.
1 investor
HSI delivers human factors and systems integration services across defense, nuclear power, emergency response, healthcare, and occupational safety sectors. The company focuses on optimizing how people interact with complex systems and organizational structures.
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
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
Hypori provides a mobile access platform that streams pixels rather than data, giving employees secure virtual access to enterprise apps and information from personal devices without MDM or software that compromises personal privacy. It targets BYOD needs for organizations with strict compliance requirements, supporting standards such as CMMC, FedRAMP High, IL4/5, and HIPAA.
1 investor
iBase-t is a cloud software company providing manufacturing operations and maintenance/repair/overhaul solutions for aerospace and defense manufacturers, helping them improve production efficiency, reduce backlog, and maintain quality standards.
1 investor
Ictect develops software that applies artificial intelligence and intelligent content technology to document editing, transformation, and publishing workflows, serving the Department of Defense, corporations, publishers, and associations. The company provides tools integrated with Microsoft Word to improve operational efficiency in complex document processes.
1 investor
IDEMIA provides identity and security solutions for access control, connectivity, payments, public security, and travel, serving governments, state organizations, and enterprise customers across more than 180 countries. With over 60 years of expertise and more than 1,500 active patent families, the company secures billions of essential interactions globally.
1 investor
ST Engineering iDirect builds ground systems software for satellite networks serving operators, service providers, telcos, and systems integrators. The company develops solutions that manage satellite connectivity and integrate space-based and terrestrial networks.
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) designs, develops, and operates sovereign satellite missions integrated with AI-driven geospatial analytics and advanced multi-satellite control systems for government and defense customers. The company delivers end-to-end space-based intelligence solutions including high-resolution Earth observation satellites and actionable intelligence services.
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
Immersive Wisdom develops a Remote Collaborative Operations Center software platform that serves government, financial services, and logistics sectors. The company enables teams across diverse industries to manage operations through collaborative digital tools.
1 investor
ANVIL is a data fusion and intelligence platform serving Canadian and allied defense organizations for operational intelligence, strategic threat analysis, and tactical field operations. It ingests multi-domain data to provide unified battlespace awareness and enables decision-making across disconnected environments.
1 investor











