All Industries

Top Defense Tech Companies

1,176 Defense Tech companies, sorted by total funding raised.

OUTPOST TECHNOLOGIES, INC.

R&D company with 8 SBIR/STTR awards from Department of Defense, National Aeronautics and Space Ad...

HUNTSVILLE, United States11–50Defense Tech, Space Tech
Grant·$40.3M·Aug 2024
BBN TechnologiesAcquired

Advanced technology R&D subsidiary of RTX (Raytheon) specializing in AI/ML, cybersecurity, networ...

Cambridge, United States1001–5000Artificial Intelligence, Cybersecurity
Private Equity·$40.0M·Sep 2009
SKYDWELLER US INC.

R&D company with 13 SBIR/STTR awards from Department of Defense, National Aeronautics and Space A...

Oklahoma City, United States51–200Defense Tech, Space Tech
Series A·$40.0M·Sep 2021
Whisper Aero

Develops ultra-quiet, efficient electric propulsion systems for aircraft and drones, serving aero...

Crossville, United States51–200Aerospace, Clean Energy
Series A·$39.5M·Apr 2023
Vitruvian VR

Vitruvian VR® simulator is a professional mechanical system with a gyroscopic structure. The mac...

Turin, Italy1–10Defense Tech, Gaming
Extension Round·$39.3M·Dec 2023
PIASECKI AIRCRAFT CORP

R&D company with 32 SBIR/STTR awards from Department of Energy, Department of Defense, Department...

ESSINGTON, United States51–200Aerospace, Defense Tech
Grant·$38.7M·Nov 2023
Swebal

European supply chain platform rebuilding logistics capacity.

Nora, Sweden1–10Logistics, Supply Chain
Venture Round·$38.5M·May 2026
SOUTH 8 TECHNOLOGIES, INC.

R&D company with 8 SBIR/STTR awards from Department of Energy, Department of Defense, National Sc...

SAN DIEGO, United States11–50Advanced Manufacturing, Defense Tech
Grant·$37.8M·Apr 2026
Terran OrbitalIPO

Leading manufacturer of small satellites serving the United States and allied aerospace and defen...

Boca Raton, United States501–1000Aerospace, Defense Tech
Series B·$36.0M·Aug 2018
Antaris

AI-powered satellite mission planning and operations platform.

Los Altos, United States11–50Artificial Intelligence, Space Tech
Series A·$35.7M·Mar 2026
Arkenstone Defense

Helps commercial companies enter the federal defense market.

Menlo Park, United States51–200Defense Tech
Seed·$35.0M·Jul 2026
Blackshark

Blackshark.ai provides AI infrastructure for the physical world, converting satellite and aerial ...

Graz, Austria51–200Artificial Intelligence, Defense Tech
Extension Round·$35.0M·Nov 2023
Performance Drone Works

Drone technology company building next-generation combat robotics and multi-mission quadcopters f...

United StatesDefense Tech, Drones
Growth Equity·$35.0M·Nov 2025
Rangsons Aerospace

Defense electronics and aerospace manufacturing company.

Mysore, India201–500Defense Tech, Space Tech
Venture Round·$35.0M·Mar 2025
Swarm Aero

Developer of large UAV swarms for military and dual-use missions including sensing, cargo deliver...

New York, United States11–50Defense Tech
Series A·$35.0M·Mar 2026
Air Space Intelligence

Air Space Intelligence (ASI) is a software-first aerospace & defense company. We partner with org...

San Francisco Bay Area, United States51–200Artificial Intelligence, Defense Tech
Series B·$34.0M·Dec 2023
Lassen Peak

Bellevue-based startup developing handheld radar technology for safe, contactless concealed weapo...

Bellevue, United States1–10Defense Tech
Extension Round·$32.0M·Dec 2023
Smack Technologies

Frontier AI lab for national security research and development.

United StatesArtificial Intelligence, Defense Tech
Seed·$32.0M·Mar 2026
UMBRA LAB, INC

R&D company with 11 SBIR/STTR awards from Department of Defense.

SANTA BARBARA, United States51–200Defense Tech, Earth Observation
Grant·$32.0M·Mar 2025
RESCAN INC

R&D company with 8 SBIR/STTR awards from Department of Defense.

MENLO PARK, United States11–50Artificial Intelligence, Defense Tech
Grant·$31.2M·Jun 2024
Centaur Labs

Labeling medical data at scale

Boston, United States11–50Artificial Intelligence, Data & Analytics
Series B·$31.1M·Oct 2024
CX2

AI-enabled electronic warfare hardware and software for electromagnetic spectrum dominance.

El Segundo, United States11–50Artificial Intelligence, Defense Tech
Venture Round·$31.0M·May 2025
Sunflower Labs

Sunflower Labs is the only fully autonomous, AI-powered drone security system built to protect co...

Stallikon, Switzerland11–50Artificial Intelligence, Defense Tech
Series B·$31.0M·Nov 2025
Black Silicon Holdings (SiOnyx)

SiOnyx develops silicon-based ultra-low-light CMOS image sensors and night vision camera solution...

Beverly, United States51–200Defense Tech
Series A·$30.4M·Apr 2012
Rune Technologies

AI-powered logistics and sustainment software for military and contested environments.

Arlington, United States51–200Defense Tech
Series A·$30.2M·Jul 2025