YC Hard Tech
137 Y Combinator companies tagged Hard Tech, most in S26 (27).
Companies per batch
Companies
137 of 137 companies
Degla IncF26 · AIThe fully autonomous intelligence layer in the sky.
HemlockF26 · AIForce-sensing wristband for training robotic AI
The Subvocal CompanyF26 · OtherTalk to your computer without talking
Viraj AeroF26 · AINext generation engines for aircraft and data centers
VoreliosF26 · AIA Foundation Model for Industrial Physics Simulation
83 SciencesS26 · AIAI-native materials discovery powered by unpublished experimental data
Aerogen SystemsS26 · OtherModernizing Chip Manufacturing Infrastructure
Applied Electrodynamics, Inc.S26 · OtherA new kind of camera that can see through walls.
AtomarineS26 · OtherFloating nuclear powered data centers at sea.
BaudS26 · AIAI chips for ultra-fast training and inference
Cosmic RoboticsS26 · OtherAutonomous construction on Earth and beyond
DaqstraS26 · AIAI-native test infrastructure layer for hardware companies
Dipole LabsS26 · AIAI-controlled optical switching for AI clusters
EdgerunS26 · OtherMilitary exoskeletons
Ekho LabsS26 · AIWorld Model for Freight
Ethos Space ResourcesS26 · OtherWe make silicon on the Moon, to power everything in space.
Frontier ComputingS26 · AIFrontier grows scalable biological brains as an ML training substrate
Induction LabsS26 · AIBuilding intellectually curious AI
Libra RoboticsS26 · AIRobotic crews for large-scale infrastructure construction
Mass MagneticsS26 · OtherUSA-made magnetics for robotics and defense.
MeteoricS26 · OtherDrones that clear clouds over solar farms and weaken hurricanes
Moving AtomsS26 · AIVirtual Reality for Training Robots
NeuromorphicS26 · AIBuilding robots to automate wetlabs
NoriS26 · OtherThe most capable American-made humanoid robot for $1,688
Praxis RoboticsS26 · AITurns real businesses into robotics data vendors
Rise ReformingS26 · OtherWe turn waste gases into supply-secure chemicals
RobocurveS26 · AIEvals for robots
Salem Robotics IncS26 · OtherDeploying robots to replace workers in hazardous spaces
SubVysionS26 · AIAutonomous rovers to make the ‘Google Maps’ of underground utilities
Synapse SemiconductorS26 · AINew semiconductors that merge compute and vision
UltrasoniumS26 · AIMetal manufacturing, faster, cheaper, and more versatile.
Vernius Systems, Inc.S26 · OtherMass-deployable radars for air defense
Arlo IndustriesX26 · OtherTrack drones and missiles without radars - Accurate, Passive, Scalable
DispatchX26 · OtherSatellites for Manufacturing in Space
Nine FivesX26 · AIRF test equipment for next-gen spacecraft, drones, and cellphones
OrnadyneX26 · OtherWe're building robot birds for surveillance.
NdeaW26 · AIBuilding AGI that can innovate.
Piris LabsW26 · AIThe Networking Layer of AI
Visibl SemiconductorsW26 · AICustom silicon for power electronics
DarwinF25 · AIHumanoid robots
LightberryF25 · AIRobots with soul
WardstoneF25 · OtherThe Modular Interceptor Platform
Zephyr FusionF25 · OtherPowering tomorrow's industrial revolution in space
Cactus ComputeS25 · AIAutomation Foundation Models For Tiny Devices
SigmanticAIS25 · AIThe Cursor for Chip Design - Delivering Silicon-Ready Chip Designs…
Atum WorksX25 · OtherGigascale Nanomanufacturing
Boost RoboticsX25 · AIRobots for the inspection and maintenance of data centers
Cascade SpaceX25 · OtherCommercial alternative to the Deep Space Network
GodelaX25 · AIAI Physics Engine to replace simulations and prototypes
NODI EnergyX25 · OtherDistributed energy infrastructure unlocking grid power to data centers
PhotoniumX25 · AIAI-Powered Optical Consulting & Software
Forge AutomationW25 · OtherSoftware Enabled CNC Parts Supplier
Instinct SpaceW25 · OtherBuilding lunar landers
Maritime FusionW25 · OtherFusion reactors for ships
Optifye.aiW25 · AIAI performance monitoring for factory workers
Reditus SpaceW25 · OtherReusable Satellites
InnateF24 · AIPersonal AI Robots
1849 bioS24 · OtherEngineering microbes for miners to unlock billions in trapped metal
AutoPallet RoboticsS24 · AIWe make robots that move boxes in warehouses
BiocartesianS24 · OtherConverting biology into digital molecular maps
Conductor QuantumS24 · AIAI that operates quantum computers for scientific discovery
deepsiliconS24 · InactiveSoftware and hardware to run neural networks faster and cheaper
NetworkOceanS24 · AIWe build and operate underwater data centers.
SenseiS24 · AIRobotic Training Data at Scale
SorcererS24 · AIBuilding a nervous system for the atmosphere
Spaceium IncS24 · OtherIn-Space Refueling
StarcloudS24 · AIData centers in space
Zettascale ComputingS24 · AIChips for frontier AI
ElodinW24 · OtherUnified flight software and hardware for the mission of tomorrow
YonduW24 · AIRobots to Automate Fulfillment
Andromeda SurgicalS23 · AIAutonomous surgical robots
Zelos CloudS23 · DataThe Data Platform for Mission‑Critical Systems
rex.fitW23 · AIAutomating nutrition tracking.
Stralis AircraftW23 · OtherEmission free hydrogen electric aircraft
Integrated ReasoningS22 · AIFaster processors for solving NP-complete problems
Polymath RoboticsS22 · AIGeneral Autonomy for Industrial Vehicles
AirMyneW22 · OtherBuilding systems to remove carbon dioxide from air at industrial scale
Andson BiotechW22 · OtherEmpowering Mass Spec for Biotech and Beyond
AstroForgeW22 · OtherWe Mine Asteroids
EnlightraW22 · OtherMulticolor lasers for ultrafast data transmission
FleetzeroW22 · OtherMaking all ships robots.
Hubble NetworkW22 · Developer toolsBluetooth to Space
Impossible MetalsW22 · AIUnderwater robotic vehicles that collect battery metals responsibly
Industrial NextW22 · AIIndustrialNext builds the AI brain for manufacturing –…
NearWaveW22 · AIHelping physicians select the right therapy for breast cancer patients
Palitronica IncW22 · OtherDetect cyber attacks on critical physical infrastructure
SeaboundW22 · OtherCarbon capture equipment for ships
WyvernW22 · OtherHigh-res hyperspectral pictures of Earth from space
Humane GenomicsS21 · OtherA platform to make artificial viruses as cancer therapeutics.
Inversion SpaceS21 · OtherTurning space into a transportation layer for Earth
Kalam LabsS21 · AIAutonomous Stratospheric UAVs
LuminateS21 · OtherWe make cancer care at home possible.
MeticulousS21 · Developer toolsAutomated e2e screenshot testing without writing or maintaining tests
Micro MeatS21 · InactiveTechnologies for scaling up cultured/clean meat production
Mindstate Design LabsS21 · AIProgrammable biology company for psychoactive effect design
Odys AviationS21 · OtherVertical takeoff and landing aircraft for major airlines
PotionS21 · AIAI for product formulation
VedaBioS21 · OtherCRISPR powered Diagnostics with results in minutes.
Alba OrbitalW21 · OtherWe make satellites to image everywhere on Earth, every 15 minutes
AlbedoW21 · OtherFull-stack VLEO satellite missions
Atomic IndustriesW21 · AISoftware orchestrated mass production of plastics
AuricleW21 · OtherNeurostimulation implant to restore hearing & speech understanding
Care WeatherW21 · OtherThe highest-accuracy global weather data from low-cost flat satellites
Flux AutoW21 · AIPhysical AI for Warehouses and Factories
GreywingW21 · AIThe Operating System for Maritime
Hermes RoboticsW21 · OtherAutonomous street sweeping as a service by retro-fitting vehicles
KilobaserW21 · OtherDesktop DNA Printer. The Nespresso Machine for DNA.
RemoraW21 · OtherCarbon capture for vehicles
Roin TechnologiesW21 · AcquiredBuilding robots to automate commercial concrete construction.
SiPhox HealthS20 · OtherAt-Home health monitoring with silicon photonic chips for data centers
Trident BioscienceS20 · InactiveAccelerating protein engineering.
UkamaS20 · Developer toolsEmpowering anyone to build cellular network
Vena VitalsS20 · OtherA small sticker that monitors blood pressure continuously
Ardis AIW20 · InactiveTransform your text data into a searchable knowledge graph
TeleoW20 · AcquiredSupervised Autonomous Heavy Equipment
EPIC AEROSPACES19 · OtherLast-mile delivery for satellites.
spotLESS MaterialsS19 · OtherRepellent coatings without PFAS
Well PrincipledS19 · AIThe neural engine for autonomous robots
Yummy FutureS19 · AIWe build robotic workforces for the food & beverage industry.
Atomic AlchemyW19 · AcquiredWe produce cancer-curing materials used in nuclear medicine.
UltralightW19 · Developer toolsUniversal, Pure-GPU HTML Renderer
Volta Labs, Inc.W19 · OtherUnlocking the utility of genomics for the world.
Warpdrive by Synthetic MindsS18 · InactiveFrom screen recordings to desktop automations using program synthesis
Observant AIW18 · AIiPhone-based driver monitoring for commercial fleets.
SRTXW18 · OtherPowering a better future for textiles.
AdvanoS17 · OtherAdvano is a battery technology company that improve the longevity of…
AirthiumS17 · OtherDecarbonized heat and power cheaper than fossil fuels
Sinovia TechnologiesW17 · OtherFlexible printed OLED displays.
Airo HealthS16 · InactiveAiro is an AI wearable to track mental health.
Clip HealthS16 · InactiveTesting & treatment at home, in minutes, for chronic & acute disease
GTRACK TechnologiesS16 · InactiveNanoparticle tracers for reservoir characterization during hydraulic…
ProxyS16 · AcquiredSmart ring digital wallet
SilverW16 · InactiveLow cost consumer device for toxin detection.
Helion EnergyS14 · OtherBuilding the world's first fusion power plant
GBatteriesW14 · OtherEnabling li-ion batteries to charge ultra fast without compromising…
Light Table/EveS12 · InactiveEve is our way of bringing the power of computation to everyone, not…
CircuitHubW12 · OtherOn-Demand Electronics ManufacturingNot affiliated with Y Combinator. From YC's public directory. Logos via logo.dev; trademarks belong to their owners.