Alternatives to Observable Space

Designs, manufactures, and launches advanced rockets and spacecraft, aiming to make humanity multiplanetary.

A global leader in space and defense technology 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.

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

Orbital transfer vehicles for rapid satellite deployment and repositioning.

Air defense startup focused on mass-producing low-cost interceptors for drones and missiles.

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

A European satellite constellation and data services company.

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

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

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

Develops radiation shielding solutions for space.

Develops electrospray propulsion systems for satellites.

Loft Orbital provides a full-stack solution for deploying and operating microsatellites in orbit.

Global aerospace and defense technology innovator providing advanced solutions across multiple domains.

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

Satellite IoT connectivity provider.

NASA-inspired fire tech startup developing infrasound-based fire defense systems that detect and suppress fires without water or chemicals.

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

Building a global network of ground-based laser stations for precise orbital object tracking.

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

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

A premier player in precision technologies, specializing in critical safety components for solid rocket motors.

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

Market infrastructure platform for the global space economy.

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

Operator of internet satellites.

A global aerospace and defense company providing advanced systems and services.

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

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

Manufacturer of small satellites and satellite-based solutions for government and commercial partners.

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

Space DOTS provides space environmental intelligence to enhance spacecraft safety and mission success.

Satellite operator providing high-speed broadband internet to Southeast Asia and Pacific Islands.

Develops AI-powered, multi-domain unmanned aerial systems for defense and commercial applications.

Develops and sells laser communication products for terrestrial, airborne, and space applications.

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

Provides software for space situational awareness and operations.

Designs and manufactures spacecraft solutions for government and commercial customers.

Develops autonomous hybrid-electric VTOL cargo aircraft for middle-mile logistics and defense.

Developing space infrastructure for data centers and beyond.

Designs, builds, and operates unmanned aerial systems (UAS) for logistics, civil protection, and defense.

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

Aerial robotics company focused on autonomous inspection robots.

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

Designs and manufactures advanced unmanned aerial systems (UAS) for defense and public safety.

European private space ventures redefining independent orbital infrastructure.

Starlink is SpaceX's satellite internet constellation providing high-speed broadband internet access to underserved areas worldwide.

AI-native platform for autonomous, coordinated multiship drone operations.

Digitizing and automating airspace management for safe drone integration.

Developing ultracompact optical intersatellite links and hardware for high data rate communications in small satellites.

Specializes in plasma propulsion systems for spacecraft.

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

Developing autonomous firefighting drones for early wildfire suppression using AI-powered aerial systems.

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

Empowering the world with Earth observation data from microsatellites.

Developing and deploying advanced autonomous drones for critical missions.