Large-Sat
Technology 13Builds or operates large satellites (2,500+ kg)
Sectors
| Company ↑ | HQ | Status | Tags | |
|---|---|---|---|---|
| Busek | Natick, Massachusetts, USA | operating | → | |
| European Space Agency | Paris, France | operating GOV | → | |
| Eutelsat Group | Paris, France | operating | → | |
| Intelsat | McLean, Virginia, USA | operating | → | |
| K2 Space | Torrance, California, USA | operating | → | |
| MDA Space | Brampton, Ontario, Canada | operating | → | |
| OHB SE | Bremen, Germany | operating | → | |
| SES S.A. | Betzdorf, Luxembourg | operating | → | |
| Space Solar | Didcot, Oxfordshire, United Kingdom | operating | → | |
| Telesat | Ottawa, Canada | operating | → | |
| Vantor | Westminster, Colorado, USA | operating | → | |
| Viasat | Carlsbad, California, USA | operating | → | |
| York Space Systems | Greenwood Village, Colorado, USA | operating | → |
Busek
Busek
OperatingDesigns and manufactures electric propulsion systems for spacecraft, including Hall effect, electrospray, RF ion, and green monopropellant thrusters
European Space Agency
European Space Agency
OperatingIntergovernmental agency coordinating European space programs across science, Earth observation, navigation, telecommunications, and human spaceflight
Eutelsat Group
Eutelsat Group
OperatingOperates a multi-orbit satellite fleet combining 33 geostationary satellites and a 600+ LEO constellation to deliver broadcast, broadband, and connectivity services globally.
Intelsat
Intelsat
OperatingOperates the world's largest GEO satellite backbone delivering broadband, media, and mobility connectivity across 200+ countries via multi-orbit infrastructure
K2 Space
K2 Space
OperatingDesigns and manufactures large-scale, high-power satellite platforms with in-house electric propulsion and avionics for multi-orbit missions.
MDA Space
MDA Space
OperatingDesigns and manufactures satellite systems, orbital robotics, and geointelligence platforms for government, defense, and commercial space operators worldwide.
OHB SE
OHB SE
OperatingDevelops and manufactures satellite systems for navigation, Earth observation, telecommunications, and reconnaissance, and produces aerospace structures and launcher components
SES S.A.
SES S.A.
OperatingOperates a multi-orbit fleet of GEO and MEO satellites delivering video distribution, data connectivity, and managed network services to broadcasters, telecom operators, and governments worldwide.
Space Solar
Space Solar
OperatingDevelops space-based solar power technology to beam continuous clean energy from geostationary orbit to Earth via wireless power transmission
Telesat
Telesat
OperatingOperates a global GEO satellite fleet and is building Telesat Lightspeed, an enterprise-class LEO constellation delivering fiber-like broadband with ultra-low latency.
Vantor
Vantor
OperatingOperates high-resolution Earth observation satellites and develops AI-powered spatial intelligence software for defense, intelligence, and commercial mapping applications
Viasat
Viasat
OperatingOperates a global multi-orbit satellite network providing broadband, narrowband, and secure communications for commercial aviation, maritime, enterprise, and defense markets.
York Space Systems
York Space Systems
OperatingDesigns, mass-manufactures, and operates standardized spacecraft platforms and end-to-end mission solutions for national security and commercial constellation customers.