AstroscaleOPERATINGJPNEST. 2013Designs and operates spacecraft for on-orbit servicing, including debris removal, satellite life extension, and refueling across LEO and GEOSpace Sustainability & Debris RemovalIn-Orbit Servicing & AssemblySpace Domain AwarenessTokyo, JapanEXPLORE
Atomos SpaceOPERATINGUSAEST. 2018Develops orbital transfer vehicles for in-space transportation, satellite life extension, and payload delivery servicesSpace Transportation & LogisticsIn-Orbit Servicing & AssemblyBroomfield, ColoradoEXPLORE
Dawn AerospaceOPERATINGNZLEST. 2017Manufactures non-toxic green propulsion systems for satellites and operates reusable suborbital spaceplanes for research and high-speed flightSpace Transportation & LogisticsSpace PropulsionSuborbital & High-AltitudeChristchurch, New ZealandEXPLORE
Eta SpaceOPERATINGUSAEST. 2019Develops cryogenic propellant management systems for in-space storage, transfer, and refueling, and liquid hydrogen infrastructure for terrestrial energy applicationsSpace Transportation & LogisticsLunar ServicesSpace PropulsionRockledge, FloridaEXPLORE
Orbit FabOPERATINGUSAEST. 2018Develops on-orbit refueling infrastructure and operates fuel depots, shuttles, and standardized docking interfaces for satellite propellant delivery in Earth orbitSpace Transportation & LogisticsSatellite Components & SubsystemsIn-Orbit Servicing & AssemblyLafayette, ColoradoEXPLORE
Portal Space SystemsOPERATINGUSAEST. 2021Manufactures solar-thermal-propelled spacecraft buses for high-delta-v, multi-orbit maneuverability and tactically responsive space operationsSatellite ManufacturingSpace Transportation & LogisticsSpace PropulsionBothell, WashingtonEXPLORE