Defense Tech Base

Defense tech companies

Find defense startups and established technology suppliers. Search by name or capability, filter by location and market, then compare company profiles.

1036 results · Showing 801–850

Companies

Scientific Research Corporation

Advanced engineering for defense, cyber, and intelligence missions.

Atlanta, Georgia, United States

Capabilities
  • C4ISR
  • Defense engineering
  • Cybersecurity
Markets served
  • Defense
  • Intelligence
  • Federal
Companies

Scientific Systems

Builds AI-powered autonomy and integrated platforms for defense, including collaborative weapons autonomy across air, land, sea, space and cyber domains.

Burlington, Massachusetts, United States

Capabilities
  • Autonomous systems
  • Space systems
  • Mission software
  • Cybersecurity
Markets served
  • Defense
  • National security
  • Space
Companies

SciTec, Inc.

Remote sensing and advanced defense technologies for national security missions.

Princeton, New Jersey, United States

Capabilities
  • Remote sensing
  • Mission software
  • Modeling and simulation
Markets served
  • Defense
  • National security
  • Space
Companies

Scout Space, Inc.

Space-based sensing, autonomy, and orbital intelligence for national security missions.

Reston, Virginia, United States

Capabilities
  • Space systems
  • Sensing & intelligence
  • Autonomy
  • Mission software
Markets served
  • Defense
  • Space
  • Intelligence
Companies

SeaCast, Inc.

Investment castings and engineered components for aerospace and defense.

United States

Capabilities
  • Advanced manufacturing
  • Metal casting
  • Components
Markets served
  • Defense
  • Aerospace
  • Manufacturing
Companies

SEACORP, Inc.

Maritime defense engineering and submarine electronic systems.

Middletown, Rhode Island, United States

Capabilities
  • Maritime systems
  • Electronic warfare
  • Sensing & intelligence
  • Cybersecurity
Markets served
  • Defense
  • Navy
  • Maritime
Companies

Sealing Technologies, LLC

Deployable compute and cyber systems for demanding environments.

Columbia, Maryland, United States

Capabilities
  • Cybersecurity
  • Mission software
  • Defense hardware
Markets served
  • Defense
  • National security
  • Government
Companies

Sea Machines Robotics

Retrofit and new-build autonomy for vessels.

United States

Capabilities
  • Maritime systems
  • autonomy
  • logistics
Markets served
  • Defense
  • National security
  • Maritime
  • Navy
Companies

SeaRobotics

Autonomous surface vehicles and marine robotics.

United States

Capabilities
  • Maritime systems
  • unmanned surface vehicles
Markets served
  • Defense
  • National security
  • Maritime
  • Navy
Companies

Seasats

Ocean autonomy that works.

United States

Capabilities
  • Maritime systems
  • unmanned surface vehicles
Markets served
  • Defense
  • National security
  • Maritime
  • Navy
Companies

Sechan Electronics, Inc.

Electronics manufacturing and engineering for mission-critical defense systems.

United States

Capabilities
  • Defense electronics
  • Advanced manufacturing
  • Mission systems
Markets served
  • Defense
  • Government
  • Aerospace
Companies

Second Front Systems, Inc.

Software deployment and DevSecOps platform for defense and government networks.

United States

Capabilities
  • Software
  • Cybersecurity
  • DevSecOps
  • Mission systems
Markets served
  • Defense
  • Government
  • National security
Companies

Secureworks

Cybersecurity capabilities for defense and national security.

Atlanta, Georgia, United States

Capabilities
  • Cybersecurity
  • managed detection
Markets served
  • Defense
  • National security
  • Government
Companies

Sedaro

Mission simulation software for national security.

United States

Capabilities
  • Defense software
  • Mission simulation
  • Digital engineering
  • Decision support
Markets served
  • National security
  • Defense
  • Space
  • Intelligence community
Companies

SEMPRE

Resilient communications and digital infrastructure for defense missions.

Colorado Springs, Colorado, United States

Capabilities
  • Communications
  • Cybersecurity
  • Cloud computing
  • Mission software
Markets served
  • Defense
  • Government
  • Critical infrastructure
Companies

Senior Aerospace

Aerospace components and flexible metal bellows for aircraft and defense platforms.

United States

Capabilities
  • Aerospace manufacturing
  • Components
  • Materials
Markets served
  • Defense
  • Aerospace
  • Space
Companies

Sensory Robotics Inc.

3D safety sensing for industrial robots and autonomous mobile robots.

Cincinnati, Ohio, United States

Capabilities
  • Autonomous systems
  • Sensing & intelligence
  • Robotics
Markets served
  • Defense
  • Advanced manufacturing
  • Critical infrastructure
Companies

Sentar

Cyber intelligence and systems engineering for national security.

Huntsville, Alabama, United States

Capabilities
  • Cybersecurity
  • Intelligence
  • Systems engineering
Markets served
  • Defense
  • Intelligence
  • Government
Companies

SentinelOne

Autonomous Singularity cybersecurity platform for federal agencies

United States

Capabilities
  • Defense software
  • endpoint security
  • SIEM
  • cloud security
Markets served
  • federal civilian agencies
  • defense
  • national security
Companies

Sentry View Systems, LLC

Remote communications and counter-drone systems for government missions.

Melbourne, Florida, United States

Capabilities
  • Communications
  • Sensing & intelligence
  • Autonomous systems
Markets served
  • Defense
  • Government
  • Critical infrastructure
Companies

Service Steel Aerospace Corp.

Specialty metals and supply chain services for aerospace and defense manufacturers.

United States

Capabilities
  • Materials
  • Supply chain
  • Metals
Markets served
  • Defense
  • Aerospace
  • Manufacturing
Companies

Servotronics, Inc.

Precision controls, actuators, and components for aerospace and defense.

United States

Capabilities
  • Aerospace electronics
  • Controls
  • Components
Markets served
  • Defense
  • Aerospace
  • Aviation
Companies

SES Space & Defense, Inc.

Secure multi-orbit satellite communications and ground solutions for U.S. government missions.

Reston, Virginia, United States

Capabilities
  • Space systems
  • Secure communications
  • Satellite communications
Markets served
  • Defense
  • Government
  • Intelligence
  • Space
Companies

Sev1Tech LLC

Defense technology, engineering, and IT mission support.

Woodbridge, Virginia, United States

Capabilities
  • C5ISR
  • Cybersecurity
  • Software
  • Engineering
Markets served
  • Defense
  • National security
  • Government
Companies

Shakespeare

Shakespeare combines materials science, engineering, and advanced manufacturing to develop and manufacture high-performance solutions, including military communications antennas, …

Columbia, South Carolina, United States

Capabilities
  • Communications
  • Advanced manufacturing
Markets served
  • Defense
  • National security
Companies

Sherpa 6, Inc.

Engineering and technology solutions for defense missions.

Littleton, Colorado, United States

Capabilities
  • Engineering
  • Mission systems
  • C5ISR
Markets served
  • Defense
  • Government
  • National security
Companies

Shield AI

AI pilots for the world’s most important missions.

San Diego, California, United States

Capabilities
  • Autonomous systems
  • Mission software
  • Sensing & intelligence
  • Aerospace systems
Markets served
  • Defense
  • National security
  • Aerospace
Companies

Shift5

Transforms operational-technology data from defense and transportation systems into actionable insights for cyber resilience, predictive maintenance and operational decision-makin…

Rosslyn, Virginia, United States

Capabilities
  • Mission software
  • Cybersecurity
Markets served
  • Defense
  • National security
Companies

Sidus Space, Inc.

Satellite manufacturing, space-based data, and defense hardware from an integrated space company.

Cape Canaveral, Florida, United States

Capabilities
  • Space systems
  • Satellite manufacturing
  • Sensing & intelligence
  • Defense hardware
Markets served
  • Defense
  • Space
  • Intelligence
  • Aerospace
Companies

Sierra Nevada Corporation

Mission systems, aircraft, and space technologies for defense.

Sparks, Nevada, United States

Capabilities
  • Mission systems
  • Aerospace
  • Space systems
Markets served
  • Defense
  • Aerospace
  • Government
Companies

Sierra Space

Building and operating the space economy.

Louisville, Colorado, United States

Capabilities
  • Space systems
  • Aerospace systems
Markets served
  • Defense
  • Space
  • Government
Companies

Sift

Engineering the future of flight

Minneapolis, Minnesota, United States

Capabilities
  • Unmanned aircraft
  • autonomy
  • flight systems
  • aerospace
Markets served
  • Defense
  • National security
  • Space
  • Aerospace
Companies

Sightline Intelligence, Inc.

Embedded video processing and vision AI for mission-critical platforms.

Portland, Oregon, United States

Capabilities
  • Artificial intelligence
  • Sensors and surveillance
  • Mission software
  • Embedded systems
Markets served
  • Defense
  • National security
  • Aerospace
  • Maritime
Companies

Sigma Defense Systems, LLC

Software-defined C5ISR, networking, and electronic-warfare training.

Perry, Georgia, United States

Capabilities
  • Communications
  • Mission software
  • Cybersecurity
  • Sensing & intelligence
Markets served
  • Defense
  • National security
  • Government
Companies

Silvus Technologies, Inc.

MANET radio and mesh-network communications

Los Angeles, California, United States

Capabilities
  • Communications
  • Cybersecurity
  • Defense hardware
Markets served
  • Defense
  • National security
  • Aerospace
  • Maritime
Companies

Sintavia, LLC

Metal additive manufacturing for aerospace, defense, and space systems.

Hollywood, Florida, United States

Capabilities
  • Advanced manufacturing
  • Aerospace systems
  • Defense hardware
Markets served
  • Defense
  • Aerospace
  • Space
Companies

Skurka Aerospace, Inc.

Power conversion and electrical systems for military and commercial aircraft.

Camarillo, California, United States

Capabilities
  • Aerospace systems
  • Power systems
  • Defense hardware
Markets served
  • Defense
  • Aerospace
  • Government
Companies

Skydio

Autonomous drones made in the USA.

San Mateo, California, United States

Capabilities
  • Autonomous systems
  • Sensing & intelligence
Markets served
  • Defense
  • Critical infrastructure
  • Government
Companies

Skydweller US Inc.

Solar-powered uncrewed aircraft designed for long-endurance missions.

Oklahoma City, Oklahoma, United States

Capabilities
  • Autonomous systems
  • Aerospace systems
  • Energy systems
Markets served
  • Defense
  • Aerospace
  • Space
Companies

Skyfish

The measurement drone

Missoula, Montana, United States

Capabilities
  • Unmanned aircraft
  • sensors
  • Sensing & intelligence
  • autonomy
Markets served
  • Defense
  • National security
  • Aerospace
Companies

Skyfront, Inc.

Hybrid-electric multirotor drones for long-duration sensing missions.

Redwood City, California, United States

Capabilities
  • Autonomous systems
  • Aerospace systems
  • Sensing & intelligence
Markets served
  • Defense
  • National security
  • Critical infrastructure
Companies

SkySafe, Inc.

Drone detection and airspace intelligence for defense and public safety.

San Diego, California, United States

Capabilities
  • Counter-UAS
  • Electronic warfare
  • Mission software
  • Sensors and surveillance
Markets served
  • Defense
  • National security
  • Public safety
  • Critical infrastructure
Companies

Skyways

Builds long-range, heavy-payload autonomous cargo aircraft and operates autonomous drone solutions for government and commercial customers.

Austin, Texas, United States

Capabilities
  • Autonomous systems
  • Aerospace systems
  • Mission software
Markets served
  • Defense
  • National security
  • Government
  • Aerospace
Companies

Skyworks Solutions

Skyworks develops analog and mixed-signal semiconductors for aerospace and defense applications, with RF and connectivity technologies.

Irvine, California, United States

Capabilities
  • Space systems
  • Aerospace systems
  • Communications
Markets served
  • Defense
  • National security
  • Space
  • Aerospace
Companies

Slingshot Aerospace

Commercial space-data company providing AI, data, and insights for space-domain awareness, mission planning, and operations.

Austin, Texas, United States

Capabilities
  • Space systems
  • Mission software
Markets served
  • Defense
  • National security
  • Space
Companies

Smiths Interconnect, Inc.

High reliability connectors and electronic components for defense systems.

United States

Capabilities
  • Defense electronics
  • Communications
  • Components
Markets served
  • Defense
  • Aerospace
  • Government
Companies

SMX

Mission technology, cyber, and digital modernization for defense and federal customers.

United States

Capabilities
  • Software
  • Cybersecurity
  • Mission systems
  • Government services
Markets served
  • Defense
  • Intelligence
  • Federal government
Companies

Soctera, Inc.

Thermally efficient RF power amplifiers for radar, electronic warfare, and satellite communications.

Ithaca, New York, United States

Capabilities
  • Semiconductors
  • RF components
  • Radar
  • Satellite communications
Markets served
  • Defense
  • Space
  • Telecommunications
Companies

Solvay S.A.

Advanced materials and specialty chemicals used in aerospace and defense platforms.

United States

Capabilities
  • Advanced materials
  • Composites
  • Chemicals
Markets served
  • Defense
  • Aerospace
  • Space
Companies

Sonalysts, Inc.

Modeling, simulation, and training systems for military missions.

Waterford, Connecticut, United States

Capabilities
  • Defense software
  • Modeling and simulation
  • Training systems
Markets served
  • Defense
  • Naval
  • Federal

Finding defense tech companies

Use this directory to shortlist companies by mission area, capability and market. For a scan of the full published set, see the alphabetical company list. Compare company capabilities and government awards.

What counts as defense technology?

This directory covers companies developing products for defense and national security, including dual-use technology with civilian applications. Sector tags help distinguish autonomy, software, sensing, space and other capabilities.

How should I compare companies?

Start with the capability and market tags, then review each company’s public website. Federal award activity is useful context on reported public awards, but it is not a measure of product quality, company size or private funding.

Does the directory include only startups?

No. It includes both emerging companies and established suppliers.

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