104 Defense & National Security companies

Nightwing is the intelligence services company that continually redefines the edge of the possible to keep advancing our national security interests.

Oak Ridge National Laboratory is the U.S. Department of Energy's largest multi-program science and technology laboratory, conducting world-leading research in e…

SimIS is a veteran-owned IT firm specializing in cybersecurity, information assurance, and autonomous platform development for U.S. defense and government agenc…

Chickasaw Nation Industries is a wholly Chickasaw Nation-owned holding company operating 19 subsidiaries that provide government contracting and commercial serv…

Parsons Corporation is a digitally enabled solutions provider founded in 1944, focused on delivering defense, intelligence, and critical infrastructure solution…

teKnoluxion is a Service-Disabled Veteran-Owned Small Business providing software and systems engineering, cloud services, IT advisory, and data analytics to th…

MBDA is a world-leading defence company delivering essential missile systems and military capabilities to protect national security across the UK and allied nat…

Leidos is a Fortune 500 innovation company rapidly addressing the world's most vexing challenges in national security and health through advanced technology sol…

PeopleTec is an employee-owned defense contractor providing cybersecurity, AI/ML, hypersonics, and mission operations services to the Department of Defense and…

Arlo Solutions is a DC-based professional services firm delivering cybersecurity, program management, and strategic communications to U.S. defense and intellige…

Applied Research Solutions provides cleared defense contractors and subject matter experts to the DoD and Intelligence Community, specializing in machine learni…

Second Front Systems is a public-benefit software company that builds DevSecOps tooling to accelerate government and defense software deployment, automating Fed…

GCI is an engineering and analytics firm delivering cyber operations, data analytics, and mission solutions for national security and intelligence communities s…

SilverEdge Government Solutions provides innovative AI, cybersecurity, software, and intelligence solutions for the Defense and Intelligence Communities, with 9…

EMW is a global systems integration company providing lifecycle engineering, cybersecurity, and infrastructure support services to defense and government client…

GBSI is a federal IT contractor founded in 1995, providing cybersecurity, cloud, AI/ML, and cyber range training solutions to U.S. government agencies and the D…

Atlas Advisors is a veteran-owned small business providing cybersecurity, logistics, operations, language services, and advisory support to U.S. government and…

AMERICAN SYSTEMS is a 100% employee-owned federal government contractor founded in 1975, delivering IT and Engineering solutions to national priority programs a…

Australian counter-UAS company providing RF sensing, AI/ML, and electronic warfare solutions to detect and neutralize drone threats for military, government, an…

Ardent MC provides security technology, cloud infrastructure, and data science solutions to federal agencies and public-sector defense missions.