Alternatives to Exotrail

Provides in-space mobility solutions and electric propulsion for satellites.

Developing advanced propulsion systems for small satellite constellations.

In-space transportation company building autonomous orbital transfer vehicles, founded by SpaceX employee #1.

MDA is a leading provider of advanced satellite and space technology solutions for Earth observation, robotics, and communication.

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

Leveraging AI and satellite data to predict earthquakes and mitigate seismic risks.

Developing space infrastructure for data centers and beyond.

Developing advanced, green space propulsion systems for upper stages and in-space applications.

SpacePharma develops miniaturized lab systems for microgravity research, enabling scientific experiments in space environments.

Proprietary AI image processing using polarimetry for enhanced application data.

Provides off-the-shelf space robotics navigation systems for autonomous operations in orbit.

Orbital transfer vehicles for rapid satellite deployment and repositioning.

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

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

Develops in-space construction and manufacturing technologies.

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

A satellite company focused on providing secure and private data services.

MicroGEO satellite company providing dedicated broadband connectivity from geostationary orbit.

Stardust Labs is a space technology startup focused on developing advanced propulsion systems for spacecraft.

SAR satellite company delivering the most capable synthetic aperture radar data on the market.

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

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

Designs and manufactures flight-proven aerospace and defense systems, including rocket engines and hypersonic capabilities.

Autonomous satellite company for space debris removal, situational awareness, and in-space logistics.

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

End-to-end ground infrastructure provider for space missions, building next-gen satellite ground stations.

Software-first manufacturing company building a distributed network of AI-powered precision factories for critical industries.

Provides software for space situational awareness and operations.

Solar-electric, high-altitude pseudo-satellite for persistent stratospheric operations.

European leader in space launchers and defense systems, developing and operating reliable civil and military launch vehicles.

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

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

Builds space-resilient super-computing systems for cloud computing in space.

Designs and manufactures spacecraft solutions for government and commercial customers.

American aerospace company developing launch vehicles and spacecraft for commercial and government 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.

A global leader in space and defense technology solutions.

German rocket developer aiming to scale launch operations.

Digitizing and automating airspace management for safe drone integration.

A European satellite constellation and data services company.

Developing compact, cost-effective, high-power laser sources at precise wavelengths for quantum computing, atomic clocks, and other advanced technologies.

Get SAT designs and manufactures compact, lightweight satellite communication terminals and modems for various demanding applications.

Digitalizing space instruments for asset monetization and leasing via cloud connectivity.

Specializes in plasma propulsion systems for spacecraft.

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

Astroscale is a global leader in on-orbit servicing and space sustainability solutions.

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

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

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

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

Develops next-generation, high-thrust electric plasma propulsion systems for the space industry.

LEO constellation delivering global Ka-band connectivity for secure communications and cellular backhaul.

Empowering the world with Earth observation data from microsatellites.

A French aerospace startup developing sustainable aircraft.