Aerospace

ABL Space SystemsEl Segundo

Space·Aerospace·Defense

RS1 small launch vehicle with a containerized launch system

Airhart AeronauticsLong Beach

Aerospace

Avionics hardware and software for general aviation

Airship IndustriesLos Angeles

Aerospace

Autonomous cargo airships for freight delivery

AmcaEl Segundo

Aerospace

Critical parts like sensors and bearings for defense

AmpaireLong Beach

Aerospace·Energy

Hybrid-electric propulsion systems for regional aircraft

APEX Space & DefenseSanta Ana

Manufacturing·Aerospace

Machined parts and assemblies for space and defense

Archer AviationSan Jose

Aerospace·Mobility

Electric vertical takeoff and landing aircraft

AstraAlameda

Space·Aerospace

Mobile small launch rockets for low Earth orbit

Astro MechanicaSan Francisco

Aerospace·Space

Jet engines efficient at subsonic and supersonic speeds

Axiom SpaceHouston

Space·Aerospace

Commercial space station and human spaceflight missions

Beehive IndustriesCentennial

Aerospace·Defense·Manufacturing

3D-printed jet engines for drones and munitions

BETA TechnologiesBurlington

Aerospace·Energy·Mobility

Electric aircraft and the chargers that power them

Blue OriginKent

Space·Aerospace

Reusable rockets and lunar landers

Boom SupersonicCentennial

Aerospace

Supersonic airliners and the Symphony jet engine

CorridianBoston

Robotics·Defense·Aerospace

Cowboy SpaceSan Carlos

Space·Aerospace·Energy

Solar-powered GPU data centers in low Earth orbit

Elroy AirSan Francisco Bay Area

Aerospace·Drones·Logistics

Autonomous heavy-cargo VTOL drones for defense logistics

Enigma AerospaceBoston

Aerospace·Defense

Long-range autonomous aircraft for contested missions

Firefly AerospaceCedar Park

Space·Aerospace

Launch vehicles and lunar landers

FortastraTorrance

Robotics·Aerospace

Maneuverable spacecraft that defend assets in orbit

Frontier AerospaceThousand Oaks

Aerospace·Space

Hypergolic bipropellant rocket engines and thrusters

FurientisLos Angeles

Defense·Aerospace·Manufacturing

Low-cost interceptor missiles built at scale

FuturamicWarren

Manufacturing·Aerospace

Aerospace tooling and precision fabrication

GaladyneAustin

Defense·Aerospace·Manufacturing

Liquid-fuel missiles built for mass production

Grid AeroSan Leandro

Aerospace·AI

Uncrewed long-range cargo aircraft

GRUSan Francisco Bay Area

Aerospace·Manufacturing·Space

Lunar surface habitats, starting with a Moon hotel

H3X TechnologiesLouisville

Energy·Manufacturing·Aerospace

Lightweight electric motors for aircraft and defense

Heart AerospaceEl Segundo

Aerospace·Mobility

Develops the ES-36 hybrid-electric regional airliner

Heaviside IndustriesLos Angeles

Defense·Aerospace

Autonomous precision munitions for special operations

HermeusEl Segundo

Aerospace·Space

High-speed and hypersonic aircraft for defense

IcarusLos Angeles

Aerospace·Defense

Solar-powered stratospheric drones for sensing and comms

Inorbit AerospaceLos Angeles

Aerospace

Jet ZeroLong Beach

Aerospace·Energy

Blended-wing-body airliner with 250 seats

Joby AviationSanta Cruz

Aerospace·Mobility

Electric air taxis for passenger flights

Karman IndustriesSignal Hill

Aerospace

Industrial heat pumps for process heat

Lux AeternaDenver

Space·Aerospace

Reusable satellites that return to Earth and refly

magniXEverett

Aerospace·Electronics·Energy

Electric propulsion motors for aircraft

MAX AerostructuresWichita

Manufacturing·Aerospace

Machined parts and assemblies for aerospace

Mayman AerospaceLong Beach

Aerospace

Autonomous high-speed heavy-lift VTOL aircraft for defense

Merlin LabsBoston

Aerospace·AI

Autonomous flight systems for military aircraft

NatilusSan Diego

Aerospace·Drones·Logistics

Blended wing body aircraft for cargo and passengers

Near Earth AutonomyPittsburgh

Aerospace·Robotics·Drones

Autonomous pilot systems for uncrewed aircraft

New Frontier AerospaceKent

Space·Aerospace·Defense

Rocket engines for hypersonic aircraft and orbital transfer

Odys AviationLong Beach

Aerospace·Mobility

Hybrid VTOL aircraft and high-speed generators

OrbitalLos Angeles

Aerospace·AI

Solar-powered satellites that run AI compute in orbit

Orbital RoboticsPuyallup

Aerospace·Robotics

Robotic systems for capturing and servicing satellites

Paragon Space DevelopmentTucson

Space·Aerospace

Life support and thermal control systems for spacecraft

Phantom SpaceTucson

Space·Aerospace

Small launch vehicles and modular satellites

Portal Space SystemsBothell

Space·Aerospace

Solar-thermal spacecraft built for rapid orbital maneuvers

Poseidon AerospaceAlameda

Aerospace·Drones·Logistics

Unmanned cargo aircraft for regional freight and defense

Prewitt RidgeLos Angeles

Software·Aerospace

Requirements management software for systems engineers

PteroDynamicsColorado Springs

Aerospace·Drones

Transwing VTOL drones with fixed-wing speed and range

Radian AerospaceSeattle

Space·Aerospace

Single-stage-to-orbit reusable spaceplane

Re:Build ManufacturingFramingham

Manufacturing·Defense·Aerospace

Engineering and contract manufacturing for product companies

REGENTNorth Kingstown

Maritime·Aerospace·Manufacturing

All-electric seagliders for coastal transport and defense

Reliable RoboticsMountain View

Aerospace·AI

Autonomous flight systems for cargo aircraft

Rendezvous RoboticsDenver

Aerospace·Robotics

Self-assembling tiles that build large spacecraft in orbit

Rocket LabLong Beach

Space·Aerospace

Launch vehicles and spacecraft

Rotor VaultLos Angeles

Aerospace

Flywheel energy storage systems for grid and commercial use

SceyeMoriarty

Aerospace·Communications

Stratospheric airships for connectivity and Earth monitoring

Sierra SpaceLouisville

Space·Aerospace

Dream Chaser spaceplane and commercial space habitats

SkyryseEl Segundo

Aerospace

SkyOS flight automation for helicopters and airplanes

SkytronLos Angeles

Aerospace·Drones

SoaringOrange

Aerospace

Autonomous heavy-lift drones for military logistics

SpaceXStarbase

Space·Aerospace

Designs, manufactures and launches rockets and spacecraft

Specter AerospacePeabody

Aerospace·Defense

Air-breathing hypersonic vehicles and propulsion

Spinor EnergySeattle

Aerospace·Energy

Superconducting power systems for grid and industry

Stoke SpaceKent

Space·Aerospace

Fully reusable rockets starting with the Nova vehicle

StratolaunchMojave

Aerospace·Space

Reusable hypersonic test vehicles and the Roc carrier plane

SupernalIrvine

Aerospace·Mobility

eVTOL air taxi for Hyundai Motor Group

The AirCraft CompanyWichita

Aerospace·Energy

Hybrid-electric 30-seat regional airplanes

Thermopylae AerospaceHawthorne

Aerospace·Defense

Low-cost autonomous interceptors against aerial threats

Tidal FlightChesapeake

Aerospace·Mobility·Energy

Hybrid-electric seaplanes for coastal commuter travel

Universal AvionicsTucson

Aerospace·Electronics

Avionics and flight deck upgrades for commercial aircraft

Ursa MajorBerthoud

Space·Aerospace·Defense

Rocket engines and solid rocket motors for defense

Velo3DFremont

Manufacturing·Aerospace

Metal 3D printers and parts production

Venus AerospaceHouston

Aerospace·Defense

Rotating detonation rocket engines for high-speed flight

Verus AerospaceAnaheim

Aerospace

Manufactures complex aerospace components and assemblies

Virgin GalacticTustin

Space·Aerospace

Suborbital spaceplanes that fly people to space

VulcanFormsDevens

Manufacturing·Defense·Aerospace

Digital factories making metal parts by laser 3D printing

Whisper AeroCrossville

Aerospace·Electronics·Defense

Ultra-quiet electric propulsors for aircraft and drones

Wisk AeroMountain View

Aerospace·Mobility

Autonomous all-electric air taxis