All Industries

Top Defense Tech Companies

951 Defense Tech companies, sorted by total funding raised.

SF
Second Front

Defense-tech company accelerating deployment of commercial software for national security missions.

Washington, United States51–200Cloud, Defense Tech
Series C·$108.0M·Sep 2024
MATRIX RESEARCH INC

R&D company with 13 SBIR/STTR awards from Department of Defense.

BEAVERCREEK, United States51–200Defense Tech
Grant·$107.3M·Aug 2025
LF
Leolabs Federal, Inc.

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

Chantilly, United States1–10Defense Tech, Space Tech
Extension Round·$107.0M·Feb 2024
MRL MATERIALS RESOURCES LLC

R&D company with 37 SBIR/STTR awards from Department of Defense.

Xenia, United States11–50Defense Tech, Hardware
Grant·$107.0M·Jan 2025
MerlinIPO

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

Boston, United States51–200Aerospace, Artificial Intelligence
Grant·$105.0M·Jul 2024
A
Adacore

AdaCore provides commercial development tools and services for Ada, SPARK, C, C++, and Rust, targ...

New York, United States51–200Defense Tech, Developer Tools
Growth Equity·$100.0M·Mar 2024
Tyvak Nano-Satellite Systems, Inc.Acquired

R&D company with 11 SBIR/STTR awards from Department of Defense, National Aeronautics and Space A...

Irvine, United States11–50Defense Tech, Space Tech
Growth Equity·$100.0M·Jun 2023
Collaborative Robotics

Cobot provides coworking space management software for community managers and space operators.

Santa Clara, United States51–200Artificial Intelligence, Defense Tech
Series B·$100.0M·Apr 2024
Northwood Space

Provides end-to-end ground infrastructure and phased-array ground stations for satellite communic...

Torrance, United States51–200Infrastructure, Space Tech
Series B·$100.0M·Jan 2025
O
Overland

Overland AI develops advanced ground autonomy solutions for the U.S. Military and defense partners.

Seattle, United States51–200Artificial Intelligence, Defense Tech
Series B·$100.0M·Feb 2026
Vannevar Labs

Vannevar Labs builds agentic AI systems for national security missions, delivering decision advan...

Palo Alto, United States51–200Defense Tech
Series B·$91.5M·Jan 2023
DedroneAcquired

Dedrone provides AI-driven counter-drone defense solutions and airspace security systems for mili...

Sterling, United StatesCybersecurity, Defense Tech
Series C·$85.5M·Jan 2023
Valinor

Defense and government technology holding company building and acquiring mission-critical product...

Baltimore, United StatesDefense Tech, GovTech
Series A·$85.0M·Jan 2026
Mariana Minerals

Software-first, vertically integrated minerals company supplying critical minerals for energy, AI...

Houston, United States51–200Artificial Intelligence, Defense Tech
Series A·$85.0M·Jul 2025
Slingshot

We place high school prodigies at YC, Techstars companies. Think about what college basketball sc...

Somerset, United States51–200Aerospace, Artificial Intelligence
Series A·$81.9M·Dec 2022
PARRY LABS, LLC

R&D company with 9 SBIR/STTR awards from Department of Defense.

ALEXANDRIA, United States201–500Defense Tech
Series A·$80.0M·Jul 2024
Mach Industries

Mach Industries is building a defense company for the post-unmanned world.

Huntington Beach, United States51–200Defense Tech
Series A·$79.0M·Oct 2023
Waytous

China's largest unmanned mining solution provider offering autonomous truck driving and excavator...

Qingdao, China51–200Artificial Intelligence, Defense Tech
Series C·$78.6M·Jan 2022
AMCA

Advanced Manufacturing Company of America designs and manufactures advanced aerospace and defense...

El Segundo, United States11–50Defense Tech
Seed·$76.5M·Apr 2025
Monarch Quantum

Quantum computing hardware company developing photonics control systems for quantum sensing and c...

San Diego, United States51–200Quantum Computing, Defense Tech
Venture Unknown·$76.0M·Apr 2026
Efficient Computer

Efficient Computer builds ultra-energy-efficient general-purpose processors using a spatial dataf...

Pittsburgh, United States11–50Artificial Intelligence, Defense Tech
Series A·$76.0M·Feb 2026
World View

Operates stratospheric high-altitude balloons (Stratollite) delivering persistent remote sensing ...

Arizona, United States51–200Data & Analytics, Defense Tech
Corporate Round·$73.5M·Mar 2026
Zeno Power Systems

Next Generation Radioisotope Power System

Arlington, United States51–200Space Tech, Clean Tech
Series B·$71.8M·May 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·$70.0M·Mar 2026
Avalanche Energy

Developer of compact, mobile fusion reactors providing neutron sources and distributed power for ...

Seattle, United States51–200Clean Energy, Defense Tech
Venture Unknown·$69.0M·Feb 2026