Space

AalyriaLivermore

Communications·Space·Defense

Software that orchestrates networks across land, sea, air and space

ABL Space SystemsEl Segundo

Space·Aerospace·Defense

RS1 small launch vehicle with a containerized launch system

AetheroSan Francisco

Space·Electronics

Space-rated edge computers for satellites

AlbedoDenver

Space·Sensors

Satellites built to operate in very low Earth orbit

Apex SpaceLos Angeles

Space

Satellite buses built on a production line

ApolinkPalo Alto

Space·Communications

LEO relay satellite network for real-time space data links

Argo SpaceEl Segundo

Space

Reusable water-propelled space tugs for in-space transport

ArinnaPalo Alto

Energy·Space

Lightweight solar power systems for space infrastructure

ArkisysLos Alamitos

Space·Robotics

Modular spacecraft and orbital hosting platforms

AscendArcBeaverton

Space·Communications

Mass-produced small geostationary comms satellites

AstraAlameda

Space·Aerospace

Mobile small launch rockets for low Earth orbit

AstranisSan Francisco

Space·Communications

Small dedicated GEO communications satellites

Astro DigitalLittleton

Space

Spacecraft from CubeSats to 400 kg microsats

Astro MechanicaSan Francisco

Aerospace·Space

Jet engines efficient at subsonic and supersonic speeds

AstroboticPittsburgh

Space·Robotics

Lunar landers and rovers for payload delivery

AstroForgeSeal Beach

Space·Mining

Spacecraft for mining platinum group metals from asteroids

AstrolabHawthorne

Space·Robotics

Lunar rovers for crewed and robotic missions

Auriga SpaceGarden Grove

Space

Electromagnetic launch systems for space and defense

Axiom SpaceHouston

Space·Aerospace

Commercial space station and human spaceflight missions

AzoraSan Francisco

Space·Communications

Optical links carrying data from the edge to orbit

Benchmark Space SystemsBurlington

Space

In-space propulsion systems for satellites

BesxarWashington

Space·Manufacturing·Electronics

Space-based fabs for semiconductor substrates and films

Beyond ReachBrooklyn

Space·Energy

Deployable solar arrays for spacecraft power

BlackSkyHerndon

Space·Sensors

Satellite imagery and real-time geospatial intelligence

Blue OriginKent

Space·Aerospace

Reusable rockets and lunar landers

Cascade SpaceSan Francisco

Space·Communications

Deep space communication network for commercial missions

CastelionTorrance

Defense·Space

Low-cost hypersonic weapons built for mass production

CesiumAstroAustin

Space·Communications

Software-defined satellites and comms terminals

CharterLos Angeles

Space

Space program software and satellite insurance underwriting

CisluneLos Angeles

Space

Lunar excavation and resource recovery systems

Citra SpaceColorado Springs

Space·Sensors

Software that identifies and characterizes objects in orbit

Cosmic ShieldingHuntsville

Space·Materials

Radiation shielding for electronics in space

Cowboy SpaceSan Carlos

Space·Aerospace·Energy

Solar-powered GPU data centers in low Earth orbit

DiffraqtionSomerville

Space·Sensors·Optics

Quantum cameras for satellites and ISR

DispatchSan Francisco

Space·Manufacturing

Satellite heat shields and cargo return from orbit

Ecliptic EnterprisesPasadena

Space·Sensors

Satellite cameras and avionics for space missions

ElveoChevy Chase

Space·Communications

Direct-to-device satellite connectivity for phones

Epsilon3Santa Monica

Software·Space

Procedure management software for complex operations

EraDrivePalo Alto

Space·AI

Autonomy software for spacecraft and space traffic safety

Ethos Space ResourcesLos Angeles

Space·Mining

Processes lunar regolith into materials and propellant

Evolution SpaceMojave

Space

Solid rocket motors for space launch and defense

ExLabsLong Beach

Space·Robotics

Spacecraft and mission services for asteroid access

Fenix SpaceLos Angeles

Space

Reusable tow-launch system for orbital and hypersonic flight

Firefly AerospaceCedar Park

Space·Aerospace

Launch vehicles and lunar landers

Firehawk AerospaceAddison

Space·Defense

Solid rocket motors with 3D-printed propellant

FreeFall AerospaceTucson

Space·Communications

Satellite communication antennas for space and ground

Frontier AerospaceThousand Oaks

Aerospace·Space

Hypergolic bipropellant rocket engines and thrusters

General AstronauticsSan Francisco

Space·Robotics

Autonomous robots for work in orbit

General GalacticEl Segundo

Space

Spacecraft built for sustained maneuver in orbit

GRAMEl Segundo

Space

Six-legged autonomous robots for industrial field work

GraviticsSeattle

Space·Manufacturing

Orbital carriers and modules for space stations

GRUSan Francisco Bay Area

Aerospace·Manufacturing·Space

Lunar surface habitats, starting with a Moon hotel

HawkEye 360Herndon

Space·Sensors·Defense

Helicity SpacePasadena

Energy·Space

Fusion propulsion and power for in-space travel

HermeusEl Segundo

Aerospace·Space

High-speed and hypersonic aircraft for defense

Hubble NetworkSeattle

Space·Communications

Bluetooth network connecting IoT devices through satellites

Icarus RoboticsBrooklyn

Robotics·Space

Robots that take on crew chores inside spacecraft

Impulse SpaceRedondo Beach

Space

In-space transfer vehicles that move payloads beyond LEO

InterluneSeattle

Space·Mining·Materials

Lunar helium-3 harvesting and space resource hardware

Interstellar MappingLos Angeles

Space·Software

Geospatial intelligence for lunar surface operations

Intuitive MachinesHouston

Space·Robotics

Inversion SpacePlaya Vista

Space·Defense

Reentry vehicles for rapid delivery from orbit

K2 SpaceTorrance

Space

Large, high-power satellite buses for every orbit

Karman Space & DefenseHuntington Beach

Space·Defense

Missile and launch vehicle subsystems, from fairings to motors

Katalyst SpaceFlagstaff

Space

Robotic spacecraft that service and upgrade satellites

Kayhan SpaceBroomfield

Space·Software

Satellite operations and collision avoidance software

KymetaRedmond

Communications·Defense·Space

Multi-orbit satellite terminals for mobile connectivity

Kyte DynamicsSouth El Monte

Space

Dual-stage drone payload system for precision delivery

LeoLabsMenlo Park

Space·Sensors·Defense

Radar network that tracks objects in low Earth orbit

Loft OrbitalSan Francisco

Space

Hosted satellite payload missions in low Earth orbit

Longshot Space TechnologiesEmeryville

Space·Defense

Ground-based kinetic launch systems for reaching orbit

Lunar OutpostGolden

Space·Robotics

Lunar rovers and robotic infrastructure for the Moon

Lux AeternaDenver

Space·Aerospace

Reusable satellites that return to Earth and refly

Mantis SpaceAlbuquerque

Space·Defense

Laser power beaming systems for spacecraft in orbit

Max SpaceMerritt Island

Space

Expandable habitats for Earth orbit, the Moon and Mars

MomentusSan Jose

Space

In-space transport vehicles and satellite services

Morpheus SpaceEl Segundo

Space

Electric propulsion systems for satellites

mPower TechnologyAlbuquerque

Energy·Space

Ultralight solar cell modules for satellites

Muon SpaceMountain View

Space·Manufacturing·Sensors

Builds and operates Earth observation satellites

New Frontier AerospaceKent

Space·Aerospace·Defense

Rocket engines for hypersonic aircraft and orbital transfer

Northwood SpaceTorrance

Space·Communications

Ground station antennas and network for satellite data

NUVIEWOrlando

Space·Sensors

Lidar satellites that map Earth's land surface in 3D

Observable SpaceLos Angeles

Space·Optics

Telescopes and a global network for tracking space objects

OdysseyEl Segundo

Space

Supercomputers in orbit for AI workloads

Oligo SpaceLos Angeles

Space

Orbion Space TechnologyHoughton

Space

Hall-effect thrusters for small satellites

Orbit FabLafayette

Space

In-space refueling ports and fuel depots for satellites

Orbital OperationsLong Beach

Space

High-thrust maneuvering satellite vehicles for space defense

Orbital OutpostSanta Clara

Space

Spacecraft docking connectors for power, data and fluids

Orbital SidekickSan Francisco

Space·Sensors

Hyperspectral imaging satellites for Earth monitoring

Outpost SpaceLos Angeles

Space

Reusable spacecraft that return cargo from orbit to Earth

Overview EnergyAshburn

Space·Energy

Satellites that beam solar power down to the grid

Paragon Space DevelopmentTucson

Space·Aerospace

Life support and thermal control systems for spacecraft

Peregrine SpaceLos Angeles

Space·Optics

Optical comms terminals and timing payloads for spacecraft

Phantom SpaceTucson

Space·Aerospace

Small launch vehicles and modular satellites

Phase FourHawthorne

Space

Plasma electric propulsion for satellites

Planet LabsSan Francisco

Space·Sensors

Earth-imaging satellites and daily planetary data

Planetary UtilitiesLos Angeles

Energy·Space

Conversational interface for systems engineering models

Portal Space SystemsBothell

Space·Aerospace

Solar-thermal spacecraft built for rapid orbital maneuvers

Proteus SpaceLos Angeles

Space

Payload-tailored satellite buses built on rapid timelines

Quantum SpaceRockville

Space

Maneuverable spacecraft for space defense and cislunar ops

QuindarDenver

Space·Software

Mission management software for spacecraft operations

Radian AerospaceSeattle

Space·Aerospace

Single-stage-to-orbit reusable spaceplane

Ravee OpticsDayton

Space·Optics·Communications

Compact optical links for small satellites

Re:Build ManufacturingFramingham

Manufacturing·Defense·Aerospace

Engineering and contract manufacturing for product companies

Rebel Space TechnologiesLong Beach

Space

RF spectrum intelligence to protect satellite operations

Reditus SpaceAtlanta

Space·Manufacturing

Reusable return satellites for microgravity manufacturing

RedwireJacksonville

Space·Manufacturing

Spacecraft infrastructure and components for space missions

Reflect OrbitalHawthorne

Space·Energy

Satellites that reflect sunlight to Earth on demand

Relativity SpaceLong Beach

Space·Manufacturing

Reusable orbital rockets

reOrbitalLos Angeles

Space

Rocket LabLong Beach

Space·Aerospace

Launch vehicles and spacecraft

Scout SpaceReston

Space·Sensors·Defense

Onboard sensors and autonomy for space domain awareness

Seleno IndustriesPasadena

Space·Robotics

Heavy surface transport vehicles for the Moon

Senra SystemsRedondo Beach

Space

Designs and builds custom wire harnesses

Sierra SpaceLouisville

Space·Aerospace

Dream Chaser spaceplane and commercial space habitats

Slingshot AerospaceColorado Springs

Space·AI·Defense

Space domain awareness data and satellite tracking software

SolestialTempe

Energy·Space

Silicon solar cells and arrays for spacecraft

Space KineticLos Angeles

Space

Fuel-free launchers that fling microsatellites in orbit

SpaceiumLong Beach

Space

In-space refueling stations for satellites

SpaceXStarbase

Space·Aerospace

Designs, manufactures and launches rockets and spacecraft

Spin GarageLancaster

Space

Wire harnesses for aerospace and ground vehicles

SpinLaunchLong Beach

Space

Satellite broadband constellation and kinetic launch systems

Star CatcherJacksonville

Space·Energy

Optical power beaming network for satellites in orbit

StarcloudRedmond

Space·Electronics

Data centers in orbit for AI compute

Starfish SpaceKent

Space·Robotics

Satellite servicing spacecraft for docking in orbit

Starpath RoboticsHawthorne

Robotics·Space

Robots producing power and propellant on the Moon

StellerianKinnelon

Space·AI

Computer vision payload for satellite proximity operations

Stoke SpaceKent

Space·Aerospace

Fully reusable rockets starting with the Nova vehicle

StratolaunchMojave

Aerospace·Space

Reusable hypersonic test vehicles and the Roc carrier plane

TeralinkBoston

Communications·Space·Drones

High-speed communication systems for satellites and drones

Thor DynamicsOrlando

Defense·Space

Directed energy systems for counter-drone defense

Tomorrow.ioBoston

Space·Sensors·AI

Weather intelligence software and weather satellites

TransAstraLos Angeles

Space

TRL11Irvine

Space

Space cameras and imaging for orbital awareness

True AnomalyCentennial

Space·Defense

Autonomous spacecraft for space domain awareness

Turion SpaceIrvine

Space

Spacecraft and mission software for orbital operations

UmbraSanta Barbara

Space·Sensors

Synthetic aperture radar satellites and imaging data

Ursa MajorBerthoud

Space·Aerospace·Defense

Rocket engines and solid rocket motors for defense

Varda Space IndustriesEl Segundo

Space·Manufacturing

Orbital labs and reentry capsules for microgravity drugs

VastLong Beach

Space

Commercial space stations

Virgin GalacticTustin

Space·Aerospace

Suborbital spaceplanes that fly people to space

Viridian Space CorporationEl Segundo

Space

Air-scooping electric thrusters for very low orbit

Voyager SpaceDenver

Space

Commercial space station and defense space systems

VXB AerospaceCulver City

Space·Software

Generative design software for aerospace hardware

WardstoneLos Angeles

Space·Defense

Modular interceptors against cruise and ballistic missiles

X-Bow SystemsAlbuquerque

Space·Defense

Solid rocket motors built with additive manufacturing

Xona Space SystemsBurlingame

Space·Sensors

LEO satellite constellation for precise navigation

York Space SystemsDenver

Space·Manufacturing

Satellite buses and spacecraft for government missions

ZennoLos Angeles

Space·Materials·Electronics

Superconducting magnets for satellite attitude control

Zeno PowerWashington DC

Space·Nuclear·Energy

Radioisotope power systems for space and seabed missions

Zephyr FusionSan Diego

Nuclear·Energy·Space

Megawatt-class fusion reactors for power in orbit