Alternatives to APEX

Developing a universal fuel station in orbit for satellites.

Developing modular, autonomous systems for self-assembling space infrastructure in orbit.

Bulgarian aerospace manufacturer designing, building, and operating CubeSats and Nanosatellites.

Spacecraft propulsion and in-space logistics company developing water-based electric propulsion systems.

ReOrbit manufactures software-defined satellites for sovereign communications and national security.

An independent Luxembourg-based fund services platform.

Designs, manufactures, and launches advanced rockets and spacecraft, aiming to make humanity multiplanetary.

Axiom Space is building the first commercial space station and providing human spaceflight services.

An end-to-end space company providing launch services, satellite manufacturing, and space systems solutions.

On-demand satellite manufacturing and deployment.

Developing passively cooled modular space computers for high-powered in-orbit data processing.

A lunar exploration company developing landers and rovers to deliver payloads to the Moon and establish a lunar economy.

Manufactures high-performance small spacecraft and components for space missions.

UK's first vertical launch spaceport for small satellites in Shetland.

Developing fully reusable rockets for low-cost, on-demand access to and from space.

SpaceFlux is developing advanced propulsion systems for in-space transportation and satellite maneuvering.

Loft Orbital provides a full-stack solution for deploying and operating microsatellites in orbit.

Designs and manufactures advanced in-space propulsion systems for satellites and spacecraft.

Designs and builds satellites for various missions.

Develops autonomous spacecraft for on-orbit satellite servicing, life extension, and debris capture.