70 Defense & Security companies
Explore companies in Defense & Security on Cybersecurity Jobs List.
SimIS
SimIS is a veteran-owned IT firm specializing in cybersecurity, information assurance, and autonomous platform development for U.S. defense and government agenc…
AMArdent MC
Ardent MC provides security technology, cloud infrastructure, and data science solutions to federal agencies and public-sector defense missions.
DRDroneShield
Australian counter-UAS company providing RF sensing, AI/ML, and electronic warfare solutions to detect and neutralize drone threats for military, government, an…
JRC
JRC is a defense engineering firm specializing in radiation-hardened semiconductor technology and aerospace systems engineering for critical military and govern…
VLVannevar Labs
Vannevar Labs builds agentic AI systems for national defense and intelligence, delivering information dominance and decision advantage through mission-trained A…
LDLeonardo DRS, Inc.
Leonardo DRS is a leading defense technology provider that develops advanced sensing, network computing, and force protection solutions for the U.S. military an…
TSTeamWorx Security
TeamWorx Security builds AI-powered platforms that help security teams coordinate incident response, malware detection, and threat analysis across distributed e…
SFSecond Front Systems
Second Front Systems is a public-benefit software company that builds DevSecOps tooling to accelerate government and defense software deployment, automating Fed…
ACAccelint
Accelint delivers AI, autonomy, and mission systems for defense environments, building autonomous platforms, command-and-control systems, and training solutions…
ISICI Services
ICI Services Corporation is an employee-owned company providing engineering, logistics, and technical services to U.S. military and homeland security agencies,…
SSSierra Space
Sierra Space is a defense tech company building satellite platforms, reusable spaceplanes, hypersonic technologies, and space infrastructure for U.S. national s…
ASArlo Solutions
Arlo Solutions is a DC-based professional services firm delivering cybersecurity, program management, and strategic communications to U.S. defense and intellige…
OROrbis
ORBIS is a veteran-owned engineering solutions company providing technical services, automated test systems, and program management support to the Department of…
DDDelta Defense
Delta Defense operates the backend for the USCCA, managing marketing, customer care, and insurance operations for over 850,000 members across all 50 states.
QLQinetiQ Limited
QinetiQ is a British defence technology company providing technologically advanced services and products to defence, security and critical national infrastructu…
PIPeopleTec, Inc.
PeopleTec is an employee-owned defense contractor providing cybersecurity, AI/ML, hypersonics, and mission operations services to the Department of Defense and…
KGK2 Group, Inc.
K2 Group provides cybersecurity, intelligence analysis, and forward-deployed mission support for national security and critical infrastructure protection.
BTBelay Technologies
Belay Technologies is a veteran-owned small business delivering software development, CNO, AI, and engineering services to the Department of Defense and commerc…
EIEMW, Inc.
EMW is a global systems integration company providing lifecycle engineering, cybersecurity, and infrastructure support services to defense and government client…
ARApplied Research Solutions
Applied Research Solutions provides cleared defense contractors and subject matter experts to the DoD and Intelligence Community, specializing in machine learni…