Alternatives to Lux Aeterna

Developing reusable spacecraft to manufacture pharmaceuticals and high-end materials in microgravity for Earth use.

Specializes in plasma propulsion systems for spacecraft.

Specializes in propulsion systems for small satellites.

Building satellites for very low Earth orbit (VLEO) to advance global connectivity and insight.

Develops radiation shielding solutions for space.

Develops electrospray propulsion systems for satellites.

Orbital transfer vehicles for rapid satellite deployment and repositioning.

Provides optical and photonic components for space.

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

Designs and manufactures spacecraft solutions for government and commercial customers.

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

Developing space infrastructure for data centers and beyond.

Building a space-based economy with a reusable spaceplane and orbital destinations.

Designs, manufactures, and sells airplanes, rotorcraft, rockets, satellites, and missiles worldwide.

A global leader in space and defense technology solutions.

European private space ventures redefining independent orbital infrastructure.

Indian rocket startup preparing for the country's first private orbital launch.

A leading enabler of the new space economy, specializing in 3D-printed satellite components and systems.

Developing next-generation commercial space stations to enable long-term human presence and microgravity research.

Rocket engine manufacturer for launch and in-space applications.

Provides micro-propulsion and component solutions for satellites.

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

A Spanish company developing small satellite launch vehicles.

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

A next-generation commercial space station for the post-ISS low-Earth orbit economy.

Develops in-orbit infrastructure and components for space sustainability.

Develops innovative, iodine-fueled electric propulsion systems for small satellites.

Develops electric propulsion solutions for satellites.

Develops in-space construction and manufacturing technologies.

Building data centers in space.

Developing reusable satellites to manufacture advanced semiconductor materials in space for Earth-based applications.

Market infrastructure platform for the global space economy.

Developing advanced energy solutions for space exploration.

Satellite bus manufacturer enabling rapid, productized spacecraft production for space missions.

Develops and manufactures sensors, electronic components, and satellite systems for aerospace and meteorological applications.

Provider of satellite transportation, integration, and deployment solutions and services.

Global leader in aircraft engines, avionics, and aviation products for commercial, defense, and space applications.

Provides software for space situational awareness and operations.

Operating the world's only commercial fleet of flight-ready MACH 2+ supersonic aircraft for space launch.

Develops autonomous hybrid-electric VTOL cargo aircraft for middle-mile logistics and defense.

Designs, builds, and operates unmanned aerial systems (UAS) for logistics, civil protection, and defense.

Aerial robotics company focused on autonomous inspection robots.

Designs and manufactures advanced unmanned aerial systems (UAS) for defense and public safety.

Hypersonic aircraft manufacturer building high-Mach vehicles for national defense and rapid global transport.

Digitizing and automating airspace management for safe drone integration.

A European satellite constellation and data services company.

German startup developing hybrid-propulsion rockets for cost-effective satellite launches.

Designs and manufactures microsatellites for Earth observation, specializing in wildfire detection.

Empowering the world with Earth observation data from microsatellites.

Developing space-based solar power technology.

Developing and deploying advanced autonomous drones for critical missions.

AI-powered procurement platform automating aircraft parts sourcing for airlines and maintenance providers.

Building ultrathin, flexible, and efficient solar cells for spacecraft.

A French aerospace startup developing sustainable aircraft.

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