Top Space Tech companies
Ranked by total raised · 25 of 42 on the roster · Updated Oct 3, 2026
Together these 25 have raised $98.4B. SpaceX leads with $78.9B, followed by Stoke Space ($2.8B) and Relativity Space ($2.3B).
- #01
SpaceXSpaceX designs and flies reusable orbital rockets, builds the Starship super-heavy vehicle, and operates the Starlink broadband constellation.
Launch Vehicles · IPO $75B
Launch VehiclesIPO$75BHQ - #02
Stoke SpaceStoke Space develops Nova, a fully reusable medium-lift launch vehicle designed for rapid turnaround and aircraft-like operations.
Launch Vehicles · Series E $1BLaunch VehiclesSeries E$1BHQ - #03
Relativity SpaceRelativity Space builds rockets using large-scale metal 3D printing and is developing the reusable medium-lift Terran R launch vehicle.
Launch Vehicles · Series F $1.1BLaunch VehiclesSeries F$1.1BHQ
- #04
Sierra SpaceSierra Space builds the Dream Chaser reusable spaceplane and LIFE inflatable space habitats for cargo, crew, and commercial stations.
Launch Vehicles · Series C $550MLaunch VehiclesSeries C$550MHQ - #05
Firefly AerospaceFirefly Aerospace builds the Alpha small-to-medium launch vehicle, the Blue Ghost lunar lander, and is co-developing a medium launch vehicle.
Launch Vehicles · IPO $868MLaunch VehiclesIPO$868MHQ - #06
True AnomalyTrue Anomaly builds autonomous Jackal pursuit spacecraft for orbital inspection and rendezvous, paired with its Mosaic mission-software platform for space domain awareness.
Space Situational Awareness & Data · Series D $650MSpace Situational Awareness & DataSeries D$650MHQ - #07
Impulse SpaceIn-space transportation company building orbital transfer vehicles that ferry payloads to their final orbits after launch.
Launch Vehicles · Series D $500MLaunch VehiclesSeries D$500MHQ - #08
ICEYEFinnish operator of the world's largest synthetic-aperture radar satellite constellation, imaging the Earth day, night, and through clouds.
Satellites & Earth Observation · Series F $520M
Satellites & Earth ObservationSeries F$520MHQ - #09
Planet LabsEarth-observation company operating the largest fleet of imaging satellites, photographing the entire landmass of Earth every day.
Satellites & Earth Observation · IPO (SPAC) $545MSatellites & Earth ObservationIPO (SPAC)$545MHQ - #10
AstranisBuilds small, dedicated geostationary broadband satellites (MicroGEO) for targeted regional connectivity.
Satellite Comms & Direct-to-Device · Series E $300MSatellite Comms & Direct-to-DeviceSeries E$300MHQ - #11
Axiom SpaceAxiom Space flies private astronaut missions to the ISS and is building Axiom Station, a commercial successor to the International Space Station.
In-Space Infrastructure & Servicing · Equity & debt $350MIn-Space Infrastructure & ServicingEquity & debt$350MHQ - #12
Apex SpaceApex Space mass-manufactures productized, configurable satellite buses for commercial and defense customers, enabling rapid on-orbit deployment.
Satellites & Earth Observation · Growth $200MSatellites & Earth ObservationGrowth$200MHQ - #13
AST SpaceMobileBuilding a space-based cellular broadband network that connects directly to standard, unmodified smartphones.
Satellite Comms & Direct-to-Device · IPO (SPAC) $462MSatellite Comms & Direct-to-DeviceIPO (SPAC)$462MHQ - #14
Varda Space IndustriesVarda Space manufactures pharmaceuticals in orbit and returns them to Earth aboard its own reentry capsules.
In-Space Infrastructure & Servicing · Series D $251MIn-Space Infrastructure & ServicingSeries D$251MHQ - #15
VastVast builds commercial space stations, including Haven-1 and a Haven-2 bid to succeed the International Space Station.
In-Space Infrastructure & Servicing · Series A $500MIn-Space Infrastructure & ServicingSeries A$500MHQ - #16
K2 SpaceK2 Space builds 'Mega Class' high-power satellite buses that offer far more onboard power and payload volume than conventional platforms.
Satellites & Earth Observation · Series C $250MSatellites & Earth ObservationSeries C$250MHQ - #17
Voyager TechnologiesVoyager Technologies is a publicly traded space and defense company developing the Starlab commercial space station with Airbus.
In-Space Infrastructure & Servicing · IPO $409.4MIn-Space Infrastructure & ServicingIPO$409.4MHQ - #18
Spire GlobalSpire Global operates a CubeSat constellation that collects weather, aviation, and RF data sold as subscription analytics and Space Services.
Satellites & Earth Observation · IPO (SPAC) $265MSatellites & Earth ObservationIPO (SPAC)$265MHQ - #19
Loft OrbitalLoft Orbital provides space infrastructure as a service, flying customer payloads on shared standardized satellite buses without customers building their own spacecraft.
Satellites & Earth Observation · Series C $170MSatellites & Earth ObservationSeries C$170MHQ - #20
AstroscaleAstroscale is a publicly listed on-orbit servicing company developing debris removal, satellite life-extension, and refueling solutions, including the ADRAS-J debris-inspection mission.
In-Space Infrastructure & Servicing · IPO $153M
In-Space Infrastructure & ServicingIPO$153MHQ - #21
Xona Space SystemsBuilding the Pulsar low-Earth-orbit precision-navigation constellation as a more accurate, secure GPS alternative.
Satellite Comms & Direct-to-Device · Series C $170MSatellite Comms & Direct-to-DeviceSeries C$170MHQ - #22
Rocket LabRocket Lab flies the small-lift Electron rocket, is developing the reusable medium-lift Neutron, and builds satellites and spacecraft components.
Launch Vehicles · IPO (SPAC)Launch VehiclesIPO (SPAC)—HQ - #23
PixxelPixxel operates Firefly, a constellation of commercial-grade hyperspectral imaging satellites providing earth observation data for agriculture, mining, forestry, and environmental monitoring.
Satellites & Earth Observation · Series C $100M
Satellites & Earth ObservationSeries C$100MHQ - #24
Muon SpaceEnd-to-end space-systems company that designs, builds, and operates mission-optimized Earth-observation satellite constellations.
Satellites & Earth Observation · Series B extension $89.5MSatellites & Earth ObservationSeries B extension$89.5MHQ - #25
RedwireRedwire is a publicly traded space-infrastructure company supplying solar arrays, in-space manufacturing, and—after acquiring Edge Autonomy—defense drones.
In-Space Infrastructure & Servicing · Post-IPOIn-Space Infrastructure & ServicingPost-IPO—HQ