All Industries

Top Defense Tech Companies

951 Defense Tech companies, sorted by total funding raised.

GoTennaAcquired

Builds off-grid mesh networking hardware and software for public safety, military, and emergency ...

New York, United States51–200Defense Tech, Hardware
Series C·$40.8M·Jan 2021
MATRIXSPACE, INC

R&D company with 6 SBIR/STTR awards from Department of Defense.

BURLINGTON, United States51–200Artificial Intelligence, Defense Tech
Series B·$40.1M·Oct 2024
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
Venus Aerospace

Develops rotating detonation rocket engines and detonation ramjet propulsion for defense, space, ...

Houston, United States51–200Defense Tech, Hardware
Series B·$38.9M·Oct 2025
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
Odys Aviation

Vertical takeoff and landing aircraft for major airlines

Los Angeles, United States11–50Aerospace, Climate Tech
Venture Unknown·$38.4M·Oct 2025
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
Swebal

European supply chain platform rebuilding logistics capacity.

Nora, Sweden1–10Logistics, Supply Chain
Venture Unknown·$35.0M·May 2026
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
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
Rangsons Aerospace

Defense electronics and aerospace manufacturing company.

Mysore, India201–500Defense Tech, Space Tech
Venture Unknown·$35.0M·Mar 2025
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
Antaris

AI-powered satellite mission planning and operations platform.

Los Altos, United States11–50Artificial Intelligence, Space Tech
Series A·$31.5M·Apr 2026
CX2

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

El Segundo, United States11–50Artificial Intelligence, Defense Tech
Venture Unknown·$31.0M·May 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
Astro Mechanica

New jet engines for the new Jet Age.

San Francisco, United States11–50Aerospace, Industrials
Series A·$30.1M·Apr 2025
Allen Control Systems

Allen Control Systems builds AI-powered autonomous robotic weapon stations for counter-drone defe...

Alexandria, United States11–50Defense Tech
Series A·$30.0M·Mar 2025
Valthos

Applied biological intelligence company developing frontier AI systems to identify biological thr...

New York, United States1–10Artificial Intelligence, Biotech
Seed·$30.0M·Oct 2025
AGILE SPACE INDUSTRIES, INC.

R&D company with 4 SBIR/STTR awards from Department of Defense, National Aeronautics and Space Ad...

DURANGO, United States51–200Defense Tech, Space Tech
Series A·$30.0M·Feb 2026
AN
ANTARES NUCLEAR, INC.

R&D company with 4 SBIR/STTR awards from Department of Defense.

Torrance, United States11–50Climate Tech, Defense Tech
Series A·$30.0M·Oct 2024