Defense Tech Startups

Prince is a precision manufacturing company providing machining services for defense, aerospace, space, and high-reliability industrial programs. It operates AS9100-certified machining facilities, including a location in Pepperell, MA.

1 investor

Principal Mineral builds resilient supply chains for critical minerals and materials—such as copper foil, refined rare earth elements, and EMI shielding—used in defense, AI, energy, and advanced manufacturing. It combines assets, expertise, and intelligence into a single platform to address vulnerabilities in strategic material supply chains.

1 investor

Priori Analytica builds predictive and prescriptive analytics solutions using machine learning and explainable AI to forecast equipment failures weeks in advance and optimize maintenance, spare parts, and workforce tasking. Its "Operational Analytics" products serve the defense, energy, resources, and logistics sectors.

1 investor

Privoro develops phone-independent hardware and solutions that protect smartphones and their data from tracking and hacking, serving corporate and government/Federal clients. The company operates in the mobile security and privacy space.

1 investor

PteroDynamics designs autonomous vertical takeoff and landing (VTOL) aircraft built around its patented Transwing folding-wing system, which combines fixed-wing speed and range with VTOL capability for delivering cargo and ISR payloads to remote locations without runways. It serves defense customers such as the U.S. Navy and Air Force as well as commercial operators in maritime logistics, oil and gas, mining, and infrastructure inspection.

1 investor

The Center for a New American Security (CNAS) is a think tank that produces research, analysis, and commentary on U.S. national security and defense policy, covering topics such as defense, technology, transatlantic security, and economics. It also runs fellowship programs, events, and publications aimed at policymakers and the national security community.

1 investor

Purple Rhombus designs and manufactures uncrewed aerial systems (UAS) using standard U.S. sheet-metal manufacturing processes for rapid, industrial-scale production. The company serves military and defense customers requiring affordable, production-ready systems for warfighting applications.

1 investor

QL Research develops strategic defense capabilities for national security applications, applying private sector innovation approaches to military and defense challenges.

1 investor

QLUUos is a sovereign AI platform that detects, tracks, and neutralizes unauthorized drone threats to critical infrastructure, running entirely on edge infrastructure without cloud dependencies. The system serves power plants, water treatment facilities, airports, and natural gas pipelines, using machine learning to predict threat trajectories and generate response options in real-time.

1 investor

Periphery (Qomodo) provides a lightweight, architecture-agnostic security agent that installs at the point of device build and updates on-device as threats and regulations change. It hardens devices, detects breaches, and maintains regulatory compliance for critical infrastructure, defense, and AI infrastructure hardware.

1 investor

Quantum Research Sciences is an American company developing commercial quantum computing software and quantum technologies, including its ACID-R data-repository platform, quantum sensing, and Quantum Machine Learning applications. It serves defense customers such as the USAF and works with quantum hardware providers including IBM, IonQ, Quantinuum, and QuEra.

1 investor

QuantX develops positioning, navigation, and timing (PNT) systems designed for resilient operation in contested and congested environments, including military, aerospace, and telecommunications applications.

1 investor

Radius Aerospace manufactures precision aircraft structures, components, subassemblies, and systems for the commercial aviation, business jet, military, and industrial gas turbine markets. It offers capabilities such as titanium hot forming and super plastic forming, chemical milling, complex machining, welding, and structural assembly, operating four facilities across the U.S. and U.K.

1 investor

Rangeview develops and manufactures advanced cast components for turbine engine programs, serving defense and aerospace customers such as Kratos Defense & Security Solutions. It operates in the defense manufacturing sector.

1 investor

Raphe develops unmanned aviation systems, designing and building its aircraft and related technology in-house through end-to-end research, development, and manufacturing. The company operates in the aerospace and defense industry.

1 investor

Raptor Dynamix develops autonomous decision-making systems that combine sensing and augmented intelligence to protect space systems, secure airfields, and defend critical infrastructure. Its mission-intelligent solutions aim to reduce operator workload and move decision authority closer to the sensor for defense and national security applications.

1 investor

RTX designs, builds, and supports aerospace systems and defense technologies for aviation and national defense customers. The company operates through three business units spanning commercial flight and military applications.

1 investor

Redwire is an integrated aerospace and defense company that builds space infrastructure, autonomous aircraft, and multi-domain systems for government, military, and commercial customers, including NASA, the U.S. Space Force, and DARPA. Its work spans space exploration hardware, uncrewed aerial systems, and in-space pharmaceutical and biotech R&D and manufacturing.

1 investor

Re:Build Manufacturing operates a network of specialized manufacturing facilities across the United States, providing design, engineering, prototyping, and production services for embedded systems, composites, chemical processes, and medical consumables. The company supports product development at scale with over 1,200 technical experts and advanced manufacturing capacity.

1 investor

ReOrbital develops satellite servicing and in-space manufacturing technologies for government and commercial space applications. The company specializes in orbital refueling, satellite repair, and debris removal services.

1 investor

Reach Technologies Inc. develops and manufactures data acquisition, telemetry, and precision timing products and systems, and provides design, integration, and test services for turnkey systems. It serves the international aerospace, defense, energy, industrial, and transportation markets.

1 investor

RealmOne provides data science, cybersecurity, cryptologic, and computer science analysis services supporting U.S. national security and defense missions. It also develops Mobi, a custom software solution for data collaboration and interoperability across teams and stakeholders.

1 investor

Redgrove develops infrared camera sensors using nanomaterials and advanced antenna designs for applications in defense, security, driver assistance, and emissions monitoring. The technology targets cost-effective, high-sensitivity thermal imaging solutions for industrial and commercial markets.

1 investor

Repsense builds Havel, an AI-powered narrative intelligence platform that analyzes video and broadcast content to detect coordinated information operations and measure narrative impact. It serves defence and government institutions as well as commercial enterprises, and is based in Europe.

1 investor