Alternatives to Open Cosmos

Capella Space builds and operates a constellation of Synthetic Aperture Radar (SAR) satellites for Earth observation.

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

Designs, manufactures, and operates small satellites and related space services.

A leading Chinese commercial aerospace company developing and operating the Jilin-1 remote sensing satellite constellation.

British aerospace and defence company specializing in advanced electronic solutions, aviation services, and communications technology.

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

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

Global leader in synthetic-aperture radar (SAR) satellite data and analytics for near real-time insights.

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

AI-powered satellite data analytics for actionable intelligence and global monitoring.

UK-based rocket company developing orbital launch vehicles and sustainable fuel.

Provides accurate, curated data on physical places for geospatial analytics and location-based applications.

Global provider of advanced space services including satellite ground segment, launch services, and space research.

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

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

Designs and manufactures spacecraft solutions for government and commercial customers.

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

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

Empowering the world with Earth observation data from microsatellites.

Develops and operates small satellites and provides AI-powered Earth observation data analytics.

AI-driven satellite data compression platform to optimize transmission and storage of Earth observation data.

Building the first and only space-based cellular broadband network connecting directly to standard mobile phones.

Orbital transfer vehicles for rapid satellite deployment and repositioning.

Satellite IoT connectivity provider.

Develops and manufactures PocketQubes (very small satellites).

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

Develops and manufactures sensors, electronic components, and satellite systems for aerospace and meteorological applications.

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

Provides software for space situational awareness and operations.

Developing space infrastructure for data centers and beyond.

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.

Digitizing and automating airspace management for safe drone integration.

Specializes in plasma propulsion systems for spacecraft.

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

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

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

Advanced greenhouse gas monitoring technology from space using miniaturized SWIR imager and micro-LIDAR instruments.

Specializes in propulsion systems for small satellites.

Provides test and operations execution software for complex systems.

Rocket engine manufacturer for launch and in-space applications.

Provides micro-propulsion and component solutions for satellites.

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.

Building the fastest space laser communications system to link data centers from orbit.

Develops electrospray propulsion systems for satellites.

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

Provides optical and photonic components for space.

Software for space situational awareness and collision avoidance.

Develops in-orbit infrastructure and components for space sustainability.

A next-generation commercial space station for the post-ISS low-Earth orbit economy.

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