Private Companies
171Statistics
Key Tags
| Company ↑ | HQ | Status | Tags | |
|---|---|---|---|---|
| SatEnlight | Milan, Italy | operating | → | |
| Sateliot | Barcelona, Spain | operating | → | |
| Satellite Vu | London, United Kingdom | operating | → | |
| Satlyt | San Francisco, California, USA | operating | → | |
| Scout Space | Reston, Virginia, USA | operating | → | |
| Sierra Space | Louisville, Colorado, USA | operating | → | |
| Skyroot Aerospace | Hyderabad, Telangana, India | operating | → | |
| Skyrora | Glasgow, Scotland, United Kingdom | operating | → | |
| Slingshot Aerospace | Colorado Springs, Colorado, USA | operating | → | |
| Solstar Space | Santa Fe, New Mexico, USA | operating | → | |
| Southern Launch | Adelaide, South Australia, Australia | operating | → | |
| Space Forge | Cardiff, United Kingdom | operating | → | |
| Space Machines Company | Botany, New South Wales, Australia | operating | → | |
| Space One | Minato-ku, Tokyo, Japan | operating | → | |
| Space Pioneer | Beijing, China | operating | → | |
| Space Solar | Didcot, Oxfordshire, United Kingdom | operating | → | |
| Space Tango | Lexington, Kentucky, USA | operating | → | |
| SpaceX | Hawthorne, California, USA | operating | → | |
| Spacebilt | Lakeland, Florida, USA | operating | → | |
| Spacety | Changsha, China | operating | → | |
| SpiderOak | Reston, Virginia, USA | operating | → | |
| SpinLaunch | Long Beach, California, USA | operating | → | |
| Star Catcher | Jacksonville, Florida, USA | operating | → | |
| Stara Space | Manhattan Beach, California, USA | operating | → | |
| Starcloud | Redmond, Washington, USA | operating | → |
SatEnlight
SatEnlight
OperatingDevelops optical multiplexing receivers for satellite free-space communication using orbital angular momentum of light.
Sateliot
Sateliot
OperatingOperates the first LEO satellite constellation delivering 5G NB-IoT connectivity from space, extending cellular IoT coverage globally
Satellite Vu
Satellite Vu
OperatingOperates high-resolution thermal infrared imaging satellites that capture heat signatures at 3.5-meter resolution, day and night, from low Earth orbit
Satlyt
Satlyt
OperatingBuilds a decentralized edge computing platform that interconnects satellites for on-orbit AI processing, data optimization, and compute marketplace services
Scout Space
Scout Space
OperatingBuilds electro-optical and infrared satellite sensors, mission autonomy software, and edge processing systems for space domain awareness.
Sierra Space
Sierra Space
OperatingDesigns and manufactures satellite platforms, reusable spaceplanes, expandable habitats, and propulsion systems for national security and civil space
Skyroot Aerospace
Skyroot Aerospace
OperatingDevelops small-lift launch vehicles for the small satellite market using solid-fuel boosters, 3D-printed liquid engines, and cryogenic propulsion
Skyrora
Skyrora
OperatingDesigns and manufactures small-lift orbital launch vehicles and orbital transfer vehicles from Scotland, using 3D-printed engines and Ecosene fuel derived from waste plastic.
Slingshot Aerospace
Slingshot Aerospace
OperatingProvides AI-powered space domain awareness, satellite tracking, space traffic coordination, and orbital simulation for government and commercial operators.
Solstar Space
Solstar Space
OperatingProvides commercial Wi-Fi access points, space communicators, and persistent connectivity services for spacecraft, space stations, and lunar missions
Southern Launch
Southern Launch
OperatingOperates two spaceports in South Australia providing orbital launch, suborbital testing, orbital re-entry, and range services for domestic and international customers
Space Forge
Space Forge
OperatingManufactures advanced semiconductor materials and alloys in microgravity using reusable, returnable satellite platforms for return to Earth
Space Machines Company
Space Machines Company
OperatingBuilds rapid-response orbital servicing vehicles for close-proximity inspection, monitoring, and protection of space assets across all Earth orbits
Space One
Space One
OperatingDevelops and launches the solid-fuel KAIROS small satellite launch vehicle from its private Spaceport Kii facility in southern Japan
Space Pioneer
Space Pioneer
OperatingDevelops reusable kerosene-liquid oxygen launch vehicles and rocket engines for commercial and government satellite deployment missions
Space Solar
Space Solar
OperatingDevelops space-based solar power technology to beam continuous clean energy from geostationary orbit to Earth via wireless power transmission
Space Tango
Space Tango
OperatingDesigns and operates automated microgravity research and manufacturing facilities aboard the ISS and develops free-flying orbital platforms
SpaceX
SpaceX
OperatingDesigns and operates reusable launch vehicles and spacecraft, manufactures satellite internet hardware, and operates the Starlink broadband constellation
Spacebilt
Spacebilt
OperatingDevelops reusable spacecraft through on-orbit assembly and reprovisioning, extending operations and cutting lifecycle costs by 80%
Spacety
Spacety
OperatingSmall satellite manufacturer operating a dual-band SAR constellation for all-weather Earth observation and providing satellites-as-a-service for rapid in-orbit technology demonstrations
SpiderOak
SpiderOak
OperatingZero-trust cybersecurity platform securing data exchange and access control for space, defense, and edge computing environments
SpinLaunch
SpinLaunch
OperatingBuilds kinetic launch systems using ground-based centrifuges and develops the Meridian LEO broadband constellation for enterprise communications
Star Catcher
Star Catcher
OperatingDeveloping the first orbital power grid using optical power beaming to deliver concentrated solar energy to satellites without hardware modifications.
Stara Space
Stara Space
OperatingOperates a constellation of nano-satellites providing secure data relay, storage, and computation as a service for satellite operators
Starcloud
Starcloud
OperatingDevelops orbital data centers that provide GPU compute and AI inference services in space using solar power and passive radiative cooling.