103 Defense & National Security companies
Explore companies in Defense & National Security on Cybersecurity Jobs List.
IDINTRACOM DEFENSE
INTRACOM DEFENSE is Greece's leading defense systems company, designing and manufacturing advanced electronics, communications systems, missile telemetry, and t…
BABarbaricum
Service-Disabled Veteran-Owned Small Business delivering cyber security, intelligence, mission support, and technology services to U.S. defense and intelligence…
VLVannevar Labs
Vannevar Labs builds agentic AI systems for national defense and intelligence, delivering information dominance and decision advantage through mission-trained A…
IFInstitute for Defense Analyses (IDA)
The Institute for Defense Analyses is a nonprofit corporation that administers three federally funded research and development centers, providing rigorous, inde…
IDITC Defense
ITC Defense Corp. is a dynamic, technology-based HUBZone small business providing systems engineering, software development, IT, cybersecurity, supply chain man…
GRGlobal Resource Solutions
Global Resource Solutions is a Service Disabled Veteran-Owned Small Business providing cybersecurity, intelligence analysis, IT, and security services to U.S. d…
SDSphinx Defense
Sphinx Defense develops secure, high-performance software and proprietary platforms for satellite operations, ground data transport, and SATCOM planning across…
RSRender Security Engineering
A Service-Disabled Veteran-Owned Small Business providing cybersecurity, security engineering, and tactical networking services to government and commercial cli…
DUDefense Unicorns
Defense Unicorns delivers containerized software to air-gapped military systems, satellites, and submarines using tools like Zarf and UDS.
ADAgile Defense
Agile Defense is an IT services company delivering digital transformation, cybersecurity, and data analytics solutions for national security and civilian govern…
ANAnduril
Anduril Industries builds advanced autonomous systems and defense technology to protect US and allied forces, taking a software-first approach to transform nati…
QLQinetiQ Limited
QinetiQ is a British defence technology company providing technologically advanced services and products to defence, security and critical national infrastructu…
TSTwo Six Technologies
Two Six Technologies builds and deploys cyber, information operations, data science, electronic systems, and mobility products for U.S. government and defense c…
WRWatermark Risk Management International
Watermark Risk Management International provides expert risk management, CBRNE defense, biosecurity, information security, and nuclear security services to gove…
WSWatershed Security
Veteran-owned firm delivering cybersecurity, full-spectrum cyber operations, and IT solutions to DoD and Federal organizations worldwide since 2003.
KGK2 Group, Inc.
K2 Group provides cybersecurity, intelligence analysis, and forward-deployed mission support for national security and critical infrastructure protection.
LLLawrence Livermore National Laboratory
LLNL is a federally funded research and development center applying science and technology for over 70 years to strengthen U.S. national security through nuclea…
SSSierra Space
Sierra Space is a defense tech company building satellite platforms, reusable spaceplanes, hypersonic technologies, and space infrastructure for U.S. national s…
Targeted Solutions
Targeted Solutions is a small, cleared cybersecurity firm providing DoD-focused network defense, malware analysis, incident handling, and SAP monitoring service…
HTHII Technical Solutions Corporation
HII Technical Solutions (Mission Technologies) is a division of Huntington Ingalls Industries that delivers integrated all-domain defense solutions including C5…