Builds intelligent flying drones.
$850M raisedFunded 4/23/2026
Horizon3.ai
90 jobsSeries C+ · San Francisco, CA
Autonomous penetration testing platform that continuously finds and verifies exploitable attack paths.
$453.5M raisedFunded 8/3/2026
Vannevar Labs
35 jobsSeries B · Palo Alto, CA
Delivers national security technology.
$91.5M raisedFunded 1/18/2023
Foundation model for defense robotics and autonomous warfare.
$115M raisedFunded 4/29/2026
Building the world's best drone interceptors.
Harnessing the invisible to protect the physical through advanced antennas and electromagnetic systems.
Aurelius Systems
15 jobsSeries A · San Francisco, CA
Builds directed-energy laser systems.
$53.3M raisedFunded 6/26/2026
TurbineOne
13 jobsSeries B · San Francisco, CA
Processes military intelligence data.
$69M raisedFunded 5/14/2025
Chariot Defense
9 jobsSeries A · San Francisco, CA
Supplies battlefield power systems.
$48.3M raisedFunded 2/25/2026
Swan Technologies
8 jobsSeries A · San Francisco, CA
Scales autonomous defense systems.
$38.5M raisedFunded 7/1/2025
Guardian RF
3 jobsSeed · San Francisco, CA
Builds secure RF communications.
$4.1M raisedFunded 9/15/2024
Builds jam-resistant navigation.
$4.8M raisedFunded 4/17/2025
Saildrone
Series C+ · Alameda, CA
Operates unmanned surface fleets.
$289.8M raisedFunded 5/13/2025
Vantage Robotics
Series C+ · San Leandro, CA
Manufactures drone systems.
$45.6M raisedFunded 5/5/2023
How this list is built
BuildList includes active companies with a canonical sector and headquarters metro. Hiring counts come from verified openings collected directly from company applicant-tracking systems.