Alternatives to solestial

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.

Develops radiation shielding solutions for space.

Developing the world's first fully reusable satellite platform to enable high-tempo, cost-effective orbital operations.

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

Designs and manufactures spacecraft solutions for government and commercial customers.

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

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

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.

Developing space-based solar power technology.

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

Rocket engine manufacturer for launch and in-space applications.

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

Developing large, cost-effective, deployable solar arrays for satellites.

A Spanish company developing small satellite launch vehicles.

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