Largest Space Companies

Develops in-space electric propulsion systems and advanced spacecraft solutions for commercial and defense satellite operators

Builds rapid-response orbital servicing vehicles for close-proximity inspection, monitoring, and protection of space assets across all Earth orbits

Develops small recoverable spacecraft for microgravity research and manufacturing, with high-frequency cargo return services from low Earth orbit

Develops high-thrust electric plasma propulsion systems for satellites and spacecraft using pulsed power and solid metal propellant

Manufactures and integrates modular satellites up to 500 kg from Abu Dhabi, offering physical, virtual, and on-demand space missions for government and commercial customers

Designs and manufactures modular space station modules, orbital carriers, and cargo logistics spacecraft for commercial and national security missions

Develops field emission electric propulsion (FEEP) systems for satellite mobility, station keeping, constellation management, and deorbiting

Develops containerized missile defense systems, low-cost liquid boosters for flight testing, and rapidly deployable ground support equipment

Operates high-resolution thermal infrared imaging satellites that capture heat signatures at 3.5-meter resolution, day and night, from low Earth orbit

Israeli nonprofit building robotic lunar landers and promoting STEM education

Builds electro-optical and infrared satellite sensors, mission autonomy software, and edge processing systems for space domain awareness

Develops space robotic systems for in-orbit servicing, satellite assembly, and lunar infrastructure construction

Designs and manufactures robotic arms, motor controllers, and mechanisms for space missions including Mars rovers, on-orbit servicing, and lunar exploration

Develops mass-manufactured small-lift launch vehicles, modular satellite systems, and an orbital data center constellation for in-space computing

Designs and operates autonomous orbital robots for payload hosting, in-space compute, inspection, space domain awareness, and in-space logistics services

Operates two spaceports in South Australia providing orbital launch, suborbital testing, orbital re-entry, and range services for domestic and international customers

Developing the first orbital power grid using optical power beaming to deliver concentrated solar energy to satellites without hardware modifications

Provides AI-powered procedure execution and resource management software for complex engineering, manufacturing, testing, and operations

Builds reusable orbital vehicles for precision Earth return of cargo and manufactures fiber optics in microgravity

Develops orbital logistics vehicles, asteroid capture systems, and space domain awareness telescopes for cislunar resource utilization

Provides autonomous collision avoidance, space traffic coordination, and astrodynamics software for satellite operators

Builds kinetic launch systems using ground-based centrifuges and develops the Meridian LEO broadband constellation for enterprise communications

Develops AI-powered satellite constellation management and mission planning software for commercial operators and government agencies

Develops space operations software and operates mission control centers for satellite operators and defense customers

Designs and operates automated microgravity research and manufacturing facilities aboard the ISS and develops free-flying orbital platforms