All Industries

Top Defense Tech Companies

1,162 Defense Tech companies, sorted by total funding raised.

Starfish Space

Builds Otter, an autonomous satellite-servicing vehicle offering life-extension and disposal serv...

Kent, United States51–200Defense Tech, Hardware
Series B·$150.0M·Apr 2026
AC
Arris Composites

Advanced materials and manufacturing company producing lighter, stronger composite products using...

United StatesDefense Tech
Series C·$147.0M·Nov 2021
C
ColdQuantaIPO

ColdQuanta (now Infleqtion) develops quantum technology hardware and systems for computing, sensi...

Boulder, United States51–200Defense Tech, Developer Tools
Series B·$142.0M·Nov 2022
Overland AI

Builds autonomous off‑road ground vehicles and an autonomy stack for defense customers, providing...

Seattle, United States51–200Artificial Intelligence, Autonomous Vehicles
Series B·$142.0M·Feb 2026
CORVID TECHNOLOGIES, LLC

R&D company with 178 SBIR/STTR awards from Department of Defense, Department of Energy, National ...

MOORESVILLE, United States201–500Aerospace, Defense Tech
Grant·$135.8M·Oct 2023
ALL.SPACE

ALL.SPACE builds multi-band, multi-orbit flat panel satellite antennas for defense, government, a...

United KingdomDefense Tech, Space Tech
Series C·$135.0M·Jan 2024
PDW

Enterprise software platform.

Huntsville, United States201–500Aerospace, Defense Tech
Series B·$135.0M·Mar 2026
X-BOW LAUNCH SYSTEMS INC

R&D company with 5 SBIR/STTR awards from Department of Defense.

ALBUQUERQUE, United States51–200Defense Tech, Space Tech
Series B·$134.4M·May 2025
Freeform

AI-native autonomous metal 3D printing factory platform founded by former SpaceX engineers.

Hawthorne, United States51–200Artificial Intelligence, Defense Tech
Series B·$134.0M·Jun 2026
X-Bow Systems

Defense technology company manufacturing additively produced solid rocket motors and hypersonic p...

Albuquerque, United States201–500Defense Tech, Space Tech
Extension Round·$132.0M·May 2025
Phoenix Tailings

A mining company powered by technology, eliminating waste and creating sustainably produced metal...

Boston, United States51–200Clean Tech, Climate Tech
Extension Round·$131.6M·Feb 2026
Airis Labs

AI defense-tech visual intelligence and video platform

Tel Aviv, Israel11–50Artificial Intelligence, Defense Tech
Series B·$131.0M·May 2026
Auterion

Autonomous drone operating system and swarm software for defense and enterprise robotics.

Arlington, United StatesDefense Tech, Developer Tools
Venture Round·$130.0M·Sep 2025
MerlinIPO

Aviation technology company developing aircraft-agnostic AI-powered autonomous flight systems for...

Boston, United States51–200Aerospace, Artificial Intelligence
Grant·$130.0M·Jul 2024
Xoople

Workforce management platform

Madrid, Spain51–200HR Tech, Artificial Intelligence
Series B·$130.0M·Apr 2026
Percepto

Autonomous drone inspection platform enabling fully automated monitoring of critical infrastructu...

Artificial Intelligence, Defense Tech
Series C·$127.0M·Jun 2023
Hidden Level

Builds passive radar and RF sensing systems to detect and locate drones and other aerial threats ...

Syracuse, United States51–200Artificial Intelligence, Defense Tech
Series C·$121.6M·Feb 2025
Neros

Neros develops and manufactures advanced unmanned drone systems for battlefield defense with a U....

El Segundo, United States51–200Defense Tech
Series B·$120.9M·Nov 2025
Re:Build

End-to-end engineering and manufacturing partner for startups and enterprises, delivering product...

Framingham, United States201–500Advanced Manufacturing, Defense Tech
Growth Equity·$120.0M·Aug 2024
Trase

Agentic AI OS for regulated industries including healthcare and defense.

McLean, United StatesArtificial Intelligence, Defense Tech
Seed·$117.5M·Jun 2026
Digantara

Digantara is a space surveillance and intelligence company delivering advanced detection, trackin...

IndiaDefense Tech, Space Tech
Series B·$115.0M·Apr 2026
Infravision

Infravision builds drone-enabled systems that modernize power line construction for faster, safer...

United StatesRobotics, Clean Energy
Series B·$114.0M·Nov 2025
Rivet Industries

Defense technology startup developing AI-enabled hardware, software, and mobile systems for milit...

Artificial Intelligence, Defense Tech
Venture Round·$112.5M·Apr 2026
Leo Labs

Founded in 2016 as a venture-funded spinout of Silicon Valley research pioneer, SRI International...

Menlo Park, United States51–200Defense Tech, Space Tech
Venture Round·$111.0M·Feb 2024
OCTANT DATA, LLC

R&D company with 17 SBIR/STTR awards from Department of Defense.

NEW YORK, United States11–50Artificial Intelligence, Defense Tech
Series B·$110.0M·Apr 2022