YC Aerospace

53 companies · 50 active · 30% AI · most in F26 (6)

Other

ColonyLong-range drone network for world data collectionYC W27WaterlooStartup →Other

Nuum RoboticsSnake-like robots for maintenance inside machinery.YC W27WaterlooStartup →Developer tools

AviernUnmanned cargo airplanesYC F26Los AngelesStartup →AI

ChemPilot.aiDiscover novel defense related materials/molecules.YC F26San FranciscoStartup →AI

Degla IncThe fully autonomous intelligence layer in the sky.YC F26San FranciscoStartup →Other

Kairox SystemsAutonomous drones that fly and swimYC F26San FranciscoStartup →Other

KeresKill the drone, keep the jet. Reusable unmanned interceptors.YC F26DenverStartup →AI

Viraj AeroNext generation gas turbines for data centers & aviationYC F26Startup →Other

Cosmic RoboticsAutonomous construction on Earth and beyondYC S26San FranciscoStartup →Other

Ethos Space ResourcesWe make silicon on the Moon, to power everything in space.YC S26Los AngelesStartup →AI

ExosatBuilding a neutral, sovereign alternative to StarlinkYC S26San FranciscoStartup →AI

SkymerseAutopilot for Flight OperationsYC S26San FranciscoStartup →Other

Vernius Systems, Inc.Mass-deployable radars for air defenseYC S26San FranciscoStartup →Other

General Aviation CompanyFixing air traffic control with remote towersYC X26New York CityStartup →AI

Nine FivesRF test equipment for next-gen spacecraft, drones, and cellphonesYC X26San FranciscoStartup →Other

OrnadyneWe're building robot birds for surveillance.YC X26Los AngelesStartup →Other

General AstronauticsSuperintelligent space RobotsYC W26San FranciscoStartup →Other

IcarusStratospheric birds for defenseYC F25Los AngelesStartup →Other

Null LabsEnd-to-end Simulation for Defense AutonomyYC F25San FranciscoStartup →Other

WardstoneThe Modular Interceptor PlatformYC F25Los AngelesStartup →Other

Zephyr FusionPowering tomorrow's industrial revolution in spaceYC F25San DiegoStartup →Other

Cascade SpaceCommercial alternative to the Deep Space NetworkYC X25San FranciscoStartup →AI

GodelaAI Physics Engine to replace simulations and prototypesYC X25San FranciscoStartup →AI

GroundControlVertical AI for highly-regulated manufacturingYC X25San FranciscoStartup →AI

Enhanced RadarAI systems for aviationYC W25San FranciscoStartup →Other

Reditus SpaceReusable SatellitesYC W25AtlantaStartup →AI

ConsusThe fastest and cheapest way to use AI with ITAR or CUI data.YC F24San FranciscoStartup →AI

ForerunnerQuick-turn bent tube shop for aerospace, energy, industrialsYC F24Los AngelesStartup →AIAcquired

GanderAutomation System for Global AviationYC F24New York CityStartup →Other

Ares IndustriesBuilding low-cost cruise missilesYC S24Los AngelesStartup →AI

SorcererBuilding a nervous system for the atmosphereYC S24San FranciscoStartup →Other

Spaceium IncIn-Space RefuelingYC S24OttawaStartup →Other

VendraCustom Parts, Manufactured in America 🇺🇸YC S24San FranciscoStartup →AI

BasaltConstellations as a ServiceYC W24San FranciscoStartup →Other

ElodinUnified flight software and hardware for the mission of tomorrowYC W24San FranciscoStartup →AI

Navier AIAgent-Driven EngineeringYC W24San FranciscoStartup →Other

HyLightUnmanned airships for inspecting our critical assetsYC S23ParisStartup →Other

SingularityBuilding and Protecting an Exciting FutureYC S23Los AngelesStartup →Other

RadicalBuilding persistent, high-performance infrastructure in the skyYC W23SeattleStartup →Other

Airhart AeronauticsAirplanes anyone can flyYC S22Los AngelesStartup →Other

QuindarDatadog for SpaceYC S22DenverStartup →Other

VelontraHypersonic space plane that can take-off from any location and weatherYC S22DaytonStartup →Other

Beyond AeroFirst electric business aircraft designed for hydrogen propulsionYC W22ToulouseStartup →Other

HEO RoboticsWe visually monitor space objects for governments and defenseYC S21SydneyStartup →Other

Inversion SpaceTurning space into a transportation layer for EarthYC S21Los AngelesStartup →AI

Kalam LabsAutonomous Stratospheric UAVsYC S21IndiaStartup →OtherAlbedoFull-stack VLEO satellite missionsYC W21DenverStartup →Other

REGENTAll-electric seagliders for fast, affordable regional transportationYC W21North KingstownStartup →OtherInactive

Exosonic, Inc.Developing supersonic UAVs as a pathway to quiet supersonic flightYC W20Los AngelesStartup →OtherLucid BotsWe build robots for dull, dirty, and dangerous jobs.YC S19CharlotteStartup →Other

Heart AerospaceHeart makes electric airplanes with an all-electric range of 250 milesYC W19Los AngelesStartup →OtherInactive

ReebeezReebeez creates powerful microengines for UAVs. With a 2hr + flight…YC S16AustinStartup →Other

BoomEconomically and environmentally sustainable supersonic travelYC W16DenverStartup →

Company	Category	Status	Program
ColonyLong-range drone network for world data collectionteam of 3YC W27ActiveOther	Other	Active	YCW27
Nuum RoboticsSnake-like robots for maintenance inside machinery.YC W27ActiveOther	Other	Active	YCW27
AviernUnmanned cargo airplanesteam of 4YC F26ActiveDevtools	Devtools	Active	YCF26
ChemPilot.aiDiscover novel defense related materials/molecules.team of 3YC F26ActiveAI	AI	Active	YCF26
Degla IncThe fully autonomous intelligence layer in the sky.team of 2YC F26ActiveAI	AI	Active	YCF26
Kairox SystemsAutonomous drones that fly and swimteam of 3YC F26ActiveOther	Other	Active	YCF26
KeresKill the drone, keep the jet. Reusable unmanned interceptors.team of 3YC F26ActiveOther	Other	Active	YCF26
Viraj AeroNext generation gas turbines for data centers & aviationYC F26ActiveAI	AI	Active	YCF26
Cosmic RoboticsAutonomous construction on Earth and beyondteam of 82 programsYC S26 +1ActiveOther	Other	Active	YC +1S26
Ethos Space ResourcesWe make silicon on the Moon, to power everything in space.team of 2YC S26ActiveOther	Other	Active	YCS26
ExosatBuilding a neutral, sovereign alternative to Starlinkteam of 3YC S26ActiveAI	AI	Active	YCS26
SkymerseAutopilot for Flight OperationsYC S26ActiveAI	AI	Active	YCS26
Vernius Systems, Inc.Mass-deployable radars for air defenseteam of 3hiringYC S26ActiveOther	Other	Active	YCS26
General Aviation CompanyFixing air traffic control with remote towersteam of 5YC X26ActiveOther	Other	Active	YCX26
Nine FivesRF test equipment for next-gen spacecraft, drones, and cellphonesteam of 3hiringYC X26ActiveAI	AI	Active	YCX26
OrnadyneWe're building robot birds for surveillance.team of 4YC X26ActiveOther	Other	Active	YCX26
General AstronauticsSuperintelligent space Robotsteam of 4hiringYC W26ActiveOther	Other	Active	YCW26
IcarusStratospheric birds for defenseteam of 50hiringYC F25ActiveOther	Other	Active	YCF25
Null LabsEnd-to-end Simulation for Defense Autonomyteam of 2YC F25ActiveOther	Other	Active	YCF25
WardstoneThe Modular Interceptor Platformteam of 8hiringYC F25ActiveOther	Other	Active	YCF25
Zephyr FusionPowering tomorrow's industrial revolution in spaceteam of 2YC F25ActiveOther	Other	Active	YCF25
Cascade SpaceCommercial alternative to the Deep Space Networkteam of 7hiringYC X25ActiveOther	Other	Active	YCX25
GodelaAI Physics Engine to replace simulations and prototypesteam of 10hiringYC X25ActiveAI, Devtools	AI, Devtools	Active	YCX25
GroundControlVertical AI for highly-regulated manufacturingteam of 8hiringYC X25ActiveAI	AI	Active	YCX25
Enhanced RadarAI systems for aviationteam of 12YC W25ActiveAI	AI	Active	YCW25
Reditus SpaceReusable Satellitesteam of 122 programsYC W25 +1ActiveOther	Other	Active	YC +1W25
ConsusThe fastest and cheapest way to use AI with ITAR or CUI data.hiringYC F24ActiveAI, Devtools	AI, Devtools	Active	YCF24
ForerunnerQuick-turn bent tube shop for aerospace, energy, industrialsteam of 2YC F24ActiveAI	AI	Active	YCF24
GanderAutomation System for Global Aviationteam of 7acquiredYC F24AcquiredAI	AI	Acquired	YCF24
Ares IndustriesBuilding low-cost cruise missilesteam of 2YC S24ActiveOther	Other	Active	YCS24
SorcererBuilding a nervous system for the atmosphereteam of 4YC S24ActiveAI	AI	Active	YCS24
Spaceium IncIn-Space RefuelinghiringYC S24ActiveOther	Other	Active	YCS24
VendraCustom Parts, Manufactured in America 🇺🇸team of 10hiringYC S24ActiveOther	Other	Active	YCS24
BasaltConstellations as a Serviceteam of 10YC W24ActiveAI	AI	Active	YCW24
ElodinUnified flight software and hardware for the mission of tomorrowteam of 5YC W24ActiveOther	Other	Active	YCW24
Navier AIAgent-Driven Engineeringteam of 7hiringYC W24ActiveAI	AI	Active	YCW24
HyLightUnmanned airships for inspecting our critical assetsteam of 373 programsYC S23 +2ActiveOther	Other	Active	YC +2S23
SingularityBuilding and Protecting an Exciting FutureYC S23ActiveOther	Other	Active	YCS23
RadicalBuilding persistent, high-performance infrastructure in the skyteam of 6YC W23ActiveOther	Other	Active	YCW23
Airhart AeronauticsAirplanes anyone can flyteam of 9hiringYC S22ActiveOther	Other	Active	YCS22
QuindarDatadog for Spaceteam of 57hiringYC S22ActiveOther	Other	Active	YCS22
VelontraHypersonic space plane that can take-off from any location and weatherteam of 5YC S22ActiveOther	Other	Active	YCS22
Beyond AeroFirst electric business aircraft designed for hydrogen propulsionteam of 80YC W22ActiveOther	Other	Active	YCW22
HEO RoboticsWe visually monitor space objects for governments and defenseteam of 3YC S21ActiveOther	Other	Active	YCS21
Inversion SpaceTurning space into a transportation layer for Earthteam of 28YC S21ActiveOther	Other	Active	YCS21
Kalam LabsAutonomous Stratospheric UAVsteam of 10hiringYC S21ActiveAI	AI	Active	YCS21
AlbedoFull-stack VLEO satellite missionsteam of 55hiringYC W21ActiveOther	Other	Active	YCW21
REGENTAll-electric seagliders for fast, affordable regional transportationteam of 40YC W21ActiveOther	Other	Active	YCW21
Exosonic, Inc.Developing supersonic UAVs as a pathway to quiet supersonic flightteam of 14YC W20InactiveOther	Other	Inactive	YCW20
Lucid BotsWe build robots for dull, dirty, and dangerous jobs.team of 26YC S19ActiveOther	Other	Active	YCS19
Heart AerospaceHeart makes electric airplanes with an all-electric range of 250 milesteam of 50YC W19ActiveOther	Other	Active	YCW19
ReebeezReebeez creates powerful microengines for UAVs. With a 2hr + flight…team of 2YC S16InactiveOther	Other	Inactive	YCS16
BoomEconomically and environmentally sustainable supersonic travelteam of 2272 programsYC W16 +1ActiveOther	Other	Active	YC +1W16

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