Alternatives to EPSILON3

Provides software for space situational awareness and operations.

Developing space infrastructure for data centers and beyond.

Designs and manufactures spacecraft solutions for government and commercial customers.

Specializes in plasma propulsion systems for spacecraft.

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

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

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

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.

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.

Developing novel radioscopic generator technology for space and lunar exploration.

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

A global leader in space and defense technology solutions.

Develops AI-powered, multi-domain unmanned aerial systems for defense and commercial applications.

Develops advanced robotic components and systems for space and industrial use.

Aerospace manufacturing and supply-chain technologies

Enabling scalable, low-cost space-to-Earth laser communications.