Alternatives to Arkadia Space

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

Develops electric propulsion solutions for satellites.

Designs and manufactures spacecraft solutions for government and commercial customers.

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

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

European private space ventures redefining independent orbital infrastructure.

Specializes in plasma propulsion systems for spacecraft.

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

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

A Spanish company developing small satellite launch vehicles.

Develops radiation shielding solutions for space.

Provides optical and photonic components for space.

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

Building data centers in space.

Developing compact rotating detonation rocket engines (RDREs) for faster, smaller, and more efficient in-space mobility.

Market infrastructure platform for the global space economy.

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

Provides software for space situational awareness and operations.

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

Developing space infrastructure for data centers and beyond.