Castelion

Aventra Defense Systems, founded in 2025 and based in Herndon, Virginia, builds autonomous stratospheric and ultra-long-range ISR and precision effects platforms. Its Piranha system is a balloon-dropped modular payload glider with AI-guided terminal attack and GPS-independent accuracy, supporting ISR, electronic warfare and kinetic missions.

Mach Industries, founded in 2022 in Huntington Beach, California, USA, develops high-tech drone systems for defense agencies.

Hermeus, founded in 2019 in El Segundo, California, develops high-Mach/hypersonic unmanned aircraft for defense applications.

Furientis, founded in 2025 in Dallas, Texas and El Segundo, California, develops ship-based interceptor missiles designed for low-cost, large-scale production.

Anduril is a defense technology company founded in 2017 in Costa Mesa, California, reporting approximately $500 million in revenue last year.

Singularity (Singularity Defense Corp) is a Los Angeles-based defense-tech company founded in 2023 that designs and mass-produces low-cost air-defense interceptors using automotive-style commercial manufacturing, aiming to counter the proliferation of cheap drones and missiles on modern battlefields. Its ~65-person team includes alumni of SpaceX, Tesla, Anduril, Lockheed Martin and Toyota, plus former service members who deployed air defenses in combat.