Defense Tech Startups

Revision develops protective equipment and gear for military and law enforcement personnel, and supplies NATO countries through a contract with the NATO Support and Procurement Agency (NSPA). The company sells its products directly and offers discounts to verified military and law enforcement customers.

1 investor

Revolve Robotics develops inspection, surveillance, and maintenance robots for hard-to-reach industrial environments, with applications in inspection, construction, security, public safety, and defense sectors. The company combines expertise in drone technology with robotics engineering to create mobile robots for previously inaccessible spaces.

1 investor

REVTECH Materials designs and produces patented silicone-based energy dissipation materials engineered for impact protection, tested for elastic response across extreme temperature ranges. Its products are used by brands in recreational, health and wellness, sports, defense, and industrial applications, including military and sports helmets.

1 investor

RIFFAI applies artificial intelligence and hyper-multispectral satellite imagery with time-series analysis to Earth observation, detecting environmental changes and critical infrastructure. It serves industries, governments, and militaries across use cases such as renewable energy, environment monitoring, defense, intelligence, and urban settlement.

1 investor

Rift builds long-range electric VTOL drones with autonomous ground stations that launch, recover, and recharge aircraft for persistent aerial surveillance, delivering encrypted live EO/IR video to remote command centers. It sells aerial intelligence as a service to governments and industry for infrastructure monitoring, wildfire detection, and law enforcement.

1 investor

Rilian builds Caspian, an agentic security orchestration platform that unifies a fragmented security stack through a single interface and captures practitioner expertise, alongside DawnTreader, a deployment engine for air-gapped, sovereign, and compliance-restricted environments. It serves security operations teams, including those defending OT/ICS and critical infrastructure in mission-controlled and classified settings.

1 investor

RoadSense collects data on public roads and streets — including people flow, pedestrian safety, bus stop occupancy, and tourist crowding — to help make cities smarter and safer without using personal data such as smartphone tracking or license plates. It targets urban traffic safety and smart city applications, including support for autonomous transportation.

1 investor

Roam Robotics builds a modular, air-powered exoskeleton system that augments human strength and endurance, using lightweight actuators and a robotic knee brace to add power while reducing exertion, pain, and injury risk. The dual-use platform is ruggedized for military use and also being tested to reduce pain and improve mobility for patients with advanced knee osteoarthritis.

1 investor

Robodub develops multirotor drones with customizable payloads for military and commercial logistics operations. The drones feature autonomous reconfigurable capabilities for enhanced safety and load adaptability across various delivery scenarios.

1 investor

Rocket Lab is an end-to-end space company providing launch services with its Electron and in-development Neutron rockets, along with spacecraft design and manufacturing, satellite components, space solar cells, and flight and ground software. It serves commercial and government satellite operators.

1 investor

Collins Aerospace designs and delivers aerospace systems and solutions, working with customers and partners across the markets it serves. It operates in the aerospace and defense industry with a broad portfolio of capabilities.

1 investor

Rohirrim builds generative AI software that automates RFP responses and proposal writing for government contractors and enterprises.

1 investor

RT Robotics invents, manufactures, and field-tests drone systems and their components in-house, including tactical UAS platforms (HERA, VEGA), AI-powered gimbals, and autonomous ground control. Its systems serve defense, commercial, OEM, and training customers for uses such as ISR, powerline inspection, precision agriculture, and public safety.

1 investor

S-Connect (Esconnec, KOSDAQ 096630) is a South Korean manufacturer operating in secondary (rechargeable) battery components and anti-drone system development, with additional environmental technology work. It runs domestic R&D facilities and production plants in Vietnam and Dongguan, China.

1 investor

S2 Corporation provides research and development services and has secured over $25 million in Small Business Innovation Research (SBIR) funding from the U.S. Small Business Administration since 2002.

1 investor

Saab develops technology and products for the global defence and security market, offering solutions aimed at protecting people. The company operates internationally through strategic market presence and partnerships.

1 investor

Sabena technics provides aircraft maintenance, repair, and overhaul (MRO) services across the aircraft lifecycle for civil and governmental customers, including airlines and government fleets. Operating in the aviation industry, it handles line and base maintenance for aircraft such as Airbus A350, Canadair CL-415, Falcon jets, and helicopters, with a notable presence in France and its overseas territories.

1 investor

SafeFlight provides AI/ML-based systems for detecting, investigating, and responding to unauthorized drone activity at airports and critical infrastructure. The platform integrates counter-UAS technology with emergency dispatch centers and first responders to support incident reporting, forensic analysis, and risk mitigation.

1 investor

SafeKey Lab builds cybersecurity for autonomous spacecraft, offering space domain awareness, onboard defense for the command bus and onboard AI, and adversarial red-team testing through its Vela platform. It serves government space programs, commercial constellation operators, and satellite manufacturers, and offers an adjacent module for AI security in the ground segment.

1 investor

Salem Robotics develops autonomy software for robotic radiological surveys and inspections in nuclear and hazardous environments. The platform automates route planning, radiation measurement collection, and compliance reporting on existing robot hardware to reduce worker exposure and improve data consistency.

1 investor

Sandtable builds an AI-enabled planning and simulation platform for military operations, generating synthetic operating environments and courses of action to support command decisions and remote rehearsals. It serves defense forces and Servicemembers, combining AI with human judgment for mission planning, collaboration, and rehearsal.

1 investor

Sapient Perception is a physical AI company building a perception layer that combines ultra-high-resolution sensing with intelligent edge processing, using its IGNITE framework to turn sensor data into real-time actionable intelligence. It targets autonomous platforms and mission-critical decision-making, with roots in ultra-high-resolution UAV cameras for geospatial, industrial, and defense applications.

1 investor

Satellite Evolution is a media platform providing daily news, expert analysis, video interviews, podcasts, magazines, and events for professionals in the satellite, space, defence, and communications sectors. It offers a multichannel content platform and an industry directory connecting satellite operators, manufacturers, and service providers across the supply chain.

1 investor

SCATR provides "Zero Trust Transit," a security overlay that protects data in motion by segmenting, camouflaging, and distributing traffic across multiple paths to defeat traffic analysis, metadata fingerprinting, and quantum "harvest now, decrypt later" attacks. It targets defense, intelligence, and critical infrastructure operators as well as commercial sectors like finance, healthcare, and crypto, adding a transit-layer to existing encryption and Zero Trust stacks.

1 investor