Defense Tech Startups

Bavovna builds an AI-powered autonomy stack for uncrewed vehicle (UxV) systems, providing alt-PNT navigation, sensor fusion, airflow sensors, command stations, and marine platforms that operate in GNSS-denied and electronic-warfare-contested environments. It serves defense and drone operators, with products developed in the US and combat-tested in Ukraine.

1 investor

BBN Technologies, a subsidiary of RTX, develops network resilience and communications systems that automatically reroute data traffic in contested environments.

1 investor

BeeX develops autonomous underwater drones for inspection operations across offshore energy, defense, and coastal infrastructure sectors. The drones replace traditional remotely operated vehicles by operating independently, reducing costs and crew requirements while delivering consistent, geo-referenced inspection data.

1 investor

BEI manufactures high-energy-density lithium metal batteries for decarbonization applications. The company focuses on safer, more powerful, and cost-effective battery solutions through advanced materials and manufacturing processes.

1 investor

Leidos provides technology and services across defense, healthcare, and critical infrastructure, focused on national security and mission-driven outcomes for government and defense customers. The company develops defense technology, healthcare solutions, and infrastructure systems, with operations including a presence in North Alabama.

1 investor

Berry Aviation is a prime aviation contractor providing charter airlift and support services for the U.S. Government, Department of Defense, and non-defense agencies, as well as on-demand commercial cargo charter services. It operates over 30 aircraft across seven satellite locations on three continents.

1 investor

Big Bang Boom is an Indian defence technology company that develops systems for defence forces, governments, and strategic partners, including anti-drone defence, armored vehicle situational awareness, and non-lethal interdiction systems. Founded in 2019, it is an iDEX-recognized startup that exports defence systems internationally.

1 investor

BigBear.ai provides AI, machine learning, and computer vision solutions for edge decision-making and analytics, including its Shipyard AI product and the Ask Sage generative AI platform. It serves federal and defense agencies, the intelligence community, and industry, focusing on national security, homeland and border security, manufacturing, trade, and supply chains.

1 investor

BIRD Aerosystems develops defense technology to protect air, sea, and land fleets, offering aircraft missile protection systems and border surveillance ("border task force") solutions. It provides turnkey programs including design, certification, and installation through its own Maintenance and Repair Organization, serving governments and defense organizations such as the US government, UN Air Operations, and NATO forces.

1 investor

Black Rover builds an AI-driven video surveillance platform that connects to cameras, drones, bodycams, and vehicles to analyze video feeds, search historical footage, and perform re-identification and anomaly detection. It serves homeland security agencies, critical infrastructure operators (airports, ports, energy sites), and retailers for threat detection and theft prevention.

1 investor

Black Sea Tech provides systems and support for unmanned autonomous operations, including mothership platforms, logistics, training, and sustainment services that enable deployment and maintenance of autonomous fleets.

1 investor

BlackVe designs, produces, launches, and operates space systems for US national security missions, offering end-to-end mission system integration to the Department of Defense and Intelligence Communities. It operates a 30,000 sq. ft. manufacturing and clean room facility for spacecraft assembly, integration, and testing.

1 investor

Blue Laser Fusion develops high-energy pulsed OEC (Optical Enhancement Cavity) fiber laser technology, using coherent beam combining to deliver MJ-class laser output for laser-driven fusion energy generation and defense applications. The company targets both electric power generation to the grid and defense threat-engagement use cases.

1 investor

Blue Raven is an aerospace and defense supply chain company providing authorized parts distribution, strategic sourcing, and obsolescence management for air, land, and sea platforms. It serves procurement offices, program managers, and fleet operators, and offers a proprietary supply chain intelligence platform called SEDNA for demand forecasting and predictive insights.

1 investor

BlueWhite develops an autonomy stack and physical AI engine that automate high-risk, labor-intensive military operations such as combat logistics, route clearance, and border security. Its modular platform retrofits existing vehicle fleets with autonomous perception and actuation for defense forces operating in contested environments.

1 investor

Bluewhite develops autonomous unmanned ground vehicle (UGV) technology and physical AI for defense, homeland security, and heavy industrial ground operations. Founded in 2017, it partners with OEMs, defense organizations, and allied governments and was acquired by Elbit Systems in 2026.

1 investor

BlueX Industries coordinates a network of vetted U.S.-based contract manufacturers to provide sourcing, production, assembly, testing, and distribution as a single accountable partner. It focuses on secure, mission-critical manufacturing for defense and other critical industries, handling flight-rated assemblies, mechanical systems, and optical and electrical components.

1 investor

Bone Robotics builds modular, autonomous hardware platforms for air, sea, and land missions, developing the full stack from airframes and sensors to autonomy logic and mission control software. Its systems target complex and hazardous operations using integrated command and control and remote autonomous flight capabilities.

1 investor

Boston Micromachines develops MEMS deformable mirrors, MEMS grating modulators, and adaptive optics software for controlling and shaping light. Its photonics products serve researchers and defense contractors in astronomy, microscopy, laser communication, laser research, and retinal imaging.

1 investor

BotLab Dynamics designs and builds its own drone hardware and software to produce drone light shows (outdoor, indoor, and pyro) for brands and events, and also supplies drone components through its BotLab Store and develops defence applications under "Vayudh". Founded at IIT Delhi, the company operates from India and has performed shows for clients such as Zomato, Tata, and Mercedes.

1 investor

Avalon is an orchestration platform that translates natural language commands into coordinated multi-platform actions for defense systems, enabling operators to control multiple robotic platforms without a 1:1 operator-to-robot ratio. The platform works with existing hardware and voice control in contested environments.

1 investor

Breaking Defense is a digital news publication covering defense industry, military technology, and national security developments, serving defense professionals, policymakers, and industry stakeholders. It publishes reporting and analysis on topics such as naval systems, drones, air defense, and defense procurement across the US, Europe, and Asia.

1 investor

Bridge Defense is a defense technology company providing secure software development for classified environments, ruggedized edge compute hardware for tactical AI/ML and analytics workloads, and full-lifecycle contracting support. It serves U.S. Department of Defense and Intelligence Community customers with cleared engineering talent.

1 investor

BridgeComm (BCI) builds free-space optical laser communication systems, including optical ground terminals and stations, modems, and space situational awareness benches for ground-to-space and air-to-ground connectivity. It serves government, space, and telecommunications customers, including U.S. defense and intelligence agencies.

1 investor