Alternatives to EPSILON3

Provides software for space situational awareness and operations.

Provider of space domain awareness, intelligence, and advanced missile defense technology solutions.

Global aerospace and defense company producing business jets, combat vehicles, submarines, and IT services.

Developing space infrastructure for data centers and beyond.

Designs and manufactures spacecraft solutions for government and commercial customers.

A global leader in space and defense technology solutions.

Specializes in plasma propulsion systems for spacecraft.

Developing large unmanned aerial vehicles and sophisticated swarm command and control software for defense.

Japanese space tech startup developing hybrid rocket propulsion systems for satellite, launch, defense, and security applications.

Develops and operates small satellites and provides AI-powered Earth observation data analytics.

Specializes in propulsion systems for small satellites.

Rocket engine manufacturer for launch and in-space applications.

AI-driven satellite data compression platform to optimize transmission and storage of Earth observation data.

Develops radiation shielding solutions for space.

Develops electrospray propulsion systems for satellites.

Orbital transfer vehicles for rapid satellite deployment and repositioning.

Software for space situational awareness and collision avoidance.

Develops in-orbit infrastructure and components for space sustainability.

Software-first manufacturing company building a distributed network of AI-powered precision factories for critical industries.