Alternatives to APEX

Developing a universal fuel station in orbit for satellites.

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

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

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

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

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.

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.

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.

D-Orbit Portugal is the Portuguese subsidiary of D-Orbit, a space logistics and orbital transportation company.

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

German rocket developer aiming to scale launch operations.

Japanese company developing robotic lunar landers and rovers for exploration and resource development.

SpinLaunch is developing a kinetic launch system to reduce the cost of space access.