Defense Tech Startups

Giga-tronics manufactures signal generators, threat emulation systems, RF capture and playback solutions, and microwave signal generators for military electronics and system verification applications.

1 investor

Givon Defense identifies operational gaps in national security and develops mission-ready defense capabilities across three verticals: autonomous warfare, border and critical infrastructure protection, and end-to-end solutions. It serves governments, industry partners, and investors, covering capability development from operational gap mapping through battlefield validation and global market deployment.

1 investor

GRA provides software solutions for advanced weapons systems analysis, including 6DOF missile simulations, testing and integration, modeling and simulation, data visualization, and safety and reliability analysis. The company serves defense program offices, NATO entities, and test ranges with physics-based modeling and real-time system data analysis capabilities.

1 investor

Global Elite Group provides aviation security services—including passenger and perimeter security, charter and special operations support, cargo screening, and program oversight—for airports, airlines, and charter operators. The company operates nationwide in the United States and aligns its programs with TSA and international regulatory standards.

1 investor

GovCIO delivers IT solutions and services to U.S. federal government agencies, including the military and Health and Human Services, using Agile methods to optimize operations and prepare customers for future challenges. The company operates a specialized services division and an independent subsidiary (GovCIO Media & Research) focused on federal IT insights.

1 investor

GovHost builds cloud-based software tools designed specifically for public safety agencies, including records management systems (RMS), computer-aided dispatch (CAD), and job management systems (JMS). The company serves police departments and law enforcement agencies, emphasizing ease of use, local support, and modern functionality for officers, dispatchers, and administrators.

1 investor

GovSignals provides a government contracting intelligence platform that tracks federal and SLED (state, local, education) opportunities, awards, and forecasts from pre-solicitation through award. It also offers proprietary data such as OTA consortium membership, teaming networks, and price-to-win benchmarks, operating within a FedRAMP authorization boundary for government contractors.

1 investor

Gravitics develops orbital carriers, spacecraft modules, and cargo/logistics systems built on a shared 4-meter form factor for rapid, on-demand deployment of mission vehicles. Its products target military, civil, and commercial space missions, including space mobility, emergency response, and missile defense.

1 investor

GreenSight develops and manufactures catalog and fully custom robotic vehicles, selling standard designs directly as well as designing bespoke units for customers' specific applications. The company serves defense and turf/golf course operations, with a dedicated Turf Division for greens management.

1 investor

Grengine (formerly Growing Greener Innovations) builds stackable, chemistry-agnostic clean energy battery units that can be combined to form larger, rechargeable energy systems. It targets global access to portable, technician-free clean energy and services batteries to keep them out of landfills.

1 investor

GROUPE ADF provides engineering, manufacturing, and maintenance services for production tools across low-carbon mobility, energy transition, and food and health sectors. The company delivers end-to-end solutions including eco-design, supply chain management, commissioning support, and digital operational solutions to optimize industrial performance and environmental responsibility.

1 investor

GRVTY is a national security company delivering capabilities across cyber, space, and spectrum domains. It provides mission and technical expertise to support U.S. defense and deter threats.

1 investor

G.S. Precision is a vertically integrated precision manufacturing platform serving aerospace and defense sectors, offering engineering, machining, gears, coatings, thermal treatment, and assembly across facilities in the United States, Mexico, India, and the United Kingdom.

1 investor

Genesis Molecular uses deep learning and molecular simulation to accelerate drug discovery and development. The platform helps identify and optimize drug candidates for challenging diseases.

1 investor

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

Hawthorn Aero provides high-rate airframe manufacturing, composite tooling, rapid prototyping, and full vehicle integration services for OEM customers in the aerospace and defense sector. The company covers early-stage design-for-manufacturing through full-rate production across 150,000 sq ft of certified facilities.

1 investor

Haltermann Carless manufactures hydrocarbon-based products and solvents for automotive, life science, industrial, and energy markets. Operating across eight global locations with over 160 years of combined heritage, the company produces specialty fuels, test fuels, performance solvents, and recycled transformer oils.

1 investor

HDT Global designs and manufactures military support systems and robotics, including ground support equipment for aircraft and drones, missile transporters, autonomous vehicles, and infrastructure systems for military operations.

1 investor

HEICO Corporation is a technology-driven aerospace, defense, industrial and electronics company operating two segments: a Flight Support Group supplying aftermarket aircraft parts and FAA DER repair/overhaul solutions to airlines, OEMs and the U.S. military, and an Electronic Technologies Group designing and manufacturing electro-optical and electronic products for aerospace, defense, space, medical and electronics markets. It is publicly traded (NYSE: HEI, HEI.A).

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 Laboratories designs and manufactures software-defined radio platforms and integrated hardware-software products for signals intelligence, electronic warfare, and communications applications. The company serves the U.S. Department of Defense, intelligence community, and allied nations with mission-critical systems optimized for size, weight, power, and cost performance.

1 investor

Hexcel manufactures honeycomb and composite materials for aerospace, defense, and industrial applications. The company was founded in the San Francisco Bay Area and has grown into a global supplier of advanced materials.

1 investor