San Francisco Bay Area

1X TechnologiesPalo Alto

Robotics·AI

Humanoid robots for household chores

AalyriaLivermore

Communications·Space·Defense

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

AetheroSan Francisco

Space·Electronics

Space-rated edge computers for satellites

AlephSan Francisco Bay Area

Robotics·Biotech

Autonomous surgical robots for the operating room

Amprius TechnologiesFremont

Energy·Electronics·Drones

Silicon-anode battery cells for drones and aircraft

ANELLO PhotonicsSanta Clara

Sensors·Defense

Silicon photonic gyroscopes for GPS-denied navigation

Antora EnergySan Francisco Bay Area

Energy·Manufacturing

Thermal batteries that supply industrial heat and power

Anvil RoboticsSan Francisco

Robotics·AI

Robot arm devkits and software for physical AI

ApolinkPalo Alto

Space·Communications

LEO relay satellite network for real-time space data links

Applied IntuitionSunnyvale

Software·Defense

Vehicle software and autonomy for automotive and defense

Archer AviationSan Jose

Aerospace·Mobility

Electric vertical takeoff and landing aircraft

ArinnaPalo Alto

Energy·Space

Lightweight solar power systems for space infrastructure

ArmadaSan Francisco

Electronics·Logistics·Software

Rugged modular data centers for edge AI

AstraAlameda

Space·Aerospace

Mobile small launch rockets for low Earth orbit

AstranisSan Francisco

Space·Communications

Small dedicated GEO communications satellites

Astro MechanicaSan Francisco

Aerospace·Space

Jet engines efficient at subsonic and supersonic speeds

AtomPalo Alto

Robotics·Biotech

AI-powered robotic prosthetic arms

Atomic MachinesSan Francisco Bay Area

Manufacturing·Electronics

Aurelius SystemsSan Francisco

Defense·Drones·AI

Autonomous laser weapon systems for counter-drone defense

Ayar LabsSan Jose

Electronics·Optics

Optical I/O chiplets that move data between AI chips

AzoraSan Francisco

Space·Communications

Optical links carrying data from the edge to orbit

Bedrock OceanSan Francisco Bay Area

Maritime·Robotics·AI

Autonomous underwater vehicles for mapping the seafloor

Bedrock RoboticsSan Francisco

Robotics·AI

Retrofits construction equipment for autonomous operation

Bloom EnergySan Jose

Energy

Solid oxide fuel cells for onsite power

BootLoopSan Francisco

Software·Electronics

AI agent that writes and tests firmware on real hardware

Bright MachinesSan Francisco

Robotics·Manufacturing

BrimstoneOakland

Materials·Energy·Construction

A process that makes cement and metals from a single rock

Bulwark DynamicsMenlo Park

Maritime·Defense·Logistics

Autonomous landing craft for contested maritime logistics

Cascade SpaceSan Francisco

Space·Communications

Deep space communication network for commercial missions

CellaresSouth San Francisco

Robotics·Manufacturing·Biotech

Automated manufacturing platform for cell therapies

Cerebras SystemsSunnyvale

Electronics·AI

Wafer-scale AI chips and inference systems

Charge RoboticsSan Leandro

Robotics·Energy

Automated field factories that build utility-scale solar

Chariot DefenseSan Bruno

Energy·Defense·Electronics

Hybrid-electric power systems for battlefield equipment

CognichipRedwood City

Electronics·AI

AI models that design semiconductor chips

Collaborative RoboticsSanta Clara

Robotics·AI

Mobile manipulator robots for material handling

ConduitSan Francisco

AI·Manufacturing

Industrial AI platform connecting factory machines and robots

ConiferSunnyvale

Mobility·Manufacturing·Materials

Axial-flux electric motors and powertrains

Corvus RoboticsMountain View

Robotics·Drones·Logistics

Autonomous drones that count warehouse inventory

Cosmic RoboticsSan Francisco

Robotics·Construction·Energy

Robotic equipment for building solar farms and data centers

Cowboy SpaceSan Carlos

Space·Aerospace·Energy

Solar-powered GPU data centers in low Earth orbit

CreateMeNewark

Robotics·Manufacturing·AI

Robotic apparel production using adhesives instead of thread

CyngnMountain View

Robotics·Logistics

Autonomous tuggers for factory and warehouse hauling

d-MatrixSanta Clara

Electronics·AI

Memory-centric compute chips for AI inference

Deep FissionBerkeley

Nuclear·Energy

Small reactors placed a mile underground in boreholes

DexterityRedwood City

Robotics·AI·Logistics

AI-driven robots for truck loading and parcel handling

Diamond FoundrySouth San Francisco

Materials·Manufacturing

Single-crystal diamond wafers for semiconductors

Digital MetalSan Francisco Bay Area

Manufacturing

On-demand investment cast metal parts from CAD files

DispatchSan Francisco

Space·Manufacturing

Satellite heat shields and cargo return from orbit

DispatcherSan Francisco

Defense·Drones

Software that turns drones into autonomous patrol agents

DryftSan Francisco

AI·Manufacturing

AI that automates manufacturing operations decisions

DYNA RoboticsRedwood City

Robotics·AI

Robots that complete end-to-end commercial workflows

ElectroflowSan Francisco Bay Area

Mining·Materials·Energy

Electrochemical lithium extraction from low-grade brines

Elroy AirSan Francisco Bay Area

Aerospace·Drones·Logistics

Autonomous heavy-cargo VTOL drones for defense logistics

EnCharge AISanta Clara

Electronics·AI

Analog in-memory AI accelerator chips

EraDrivePalo Alto

Space·AI

Autonomy software for spacecraft and space traffic safety

EtchedSan Jose

Electronics·AI

Transformer-only AI inference chips and rack systems

Feather RoboticsSan Francisco Bay Area

Robotics·AI

Open wheeled bimanual robot platform for developers

Figure AISunnyvale

Robotics·AI

General purpose humanoid robots

Float CargoSan Francisco

Maritime·Logistics

Autonomous cargo airships for heavy freight

Foundry RoboticsEmeryville

Robotics·Manufacturing

AI-driven robots for factory assembly

GatikMountain View

Mobility·AI·Logistics

Driverless box trucks for middle-mile retail freight

General AstronauticsSan Francisco

Space·Robotics

Autonomous robots for work in orbit

Generalist AISan Mateo

Robotics·AI

Foundation AI models that train general-purpose robots

GlydwaysSouth San Francisco

Mobility·AI

Autonomous electric transit pods on dedicated guideways

Glyphic BiotechnologiesBerkeley

Biotech

Single-molecule protein sequencing technology

Gradient RoboticsMenlo Park

Robotics·AI

Autonomous robots for AI data center construction

Grid AeroSan Leandro

Aerospace·AI

Uncrewed long-range cargo aircraft

GrittSan Francisco

Robotics·AI·Construction

Robots that build solar farms and other infrastructure

GroqMountain View

Electronics·AI

AI inference chips and cloud inference platform

GRUSan Francisco Bay Area

Aerospace·Manufacturing·Space

Lunar surface habitats, starting with a Moon hotel

Heron PowerScotts Valley

Electronics·Energy

Solid-state transformers for data centers and solar

Humble RoboticsSan Francisco

Mobility·Logistics·AI

Autonomous electric freight haulers

HYFIXSanta Clara

Electronics·Defense·Robotics

Autonomy chips for drones and robots

InertiaLivermore

Nuclear·Energy

Laser fusion power plants and fusion fuel targets

InnatePalo Alto

Robotics·AI

Low-cost agentic robots with an open-source robot OS

IteraSan Francisco Bay Area

Electronics

Circuit boards that rewire themselves for fast electronics prototyping

JITXSan Jose

Software·Manufacturing·Electronics

Code-based circuit board design software

Joby AviationSanta Cruz

Aerospace·Mobility

Electric air taxis for passenger flights

Kairos PowerAlameda

Nuclear·Energy

Fluoride salt-cooled advanced nuclear reactors

KoBold MetalsBerkeley

Mining·AI

AI-guided exploration for critical battery metals

KodiakMountain View

Mobility·AI·Robotics

Autonomous driving system for trucks and ground vehicles

LeoLabsMenlo Park

Space·Sensors·Defense

Radar network that tracks objects in low Earth orbit

Light LinksCampbell

Communications·Optics·Defense

Laser-based optical wireless networks that avoid RF

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

Majestic LabsLos Altos

Electronics·AI

AI servers built around far more memory per box

MakeMatterSan Francisco Bay Area

Manufacturing·Robotics·Software

Automated contract manufacturing for robotics hardware

MaraSan Francisco

Defense·Drones·AI

Autonomous counter-drone interceptors against FPV attacks

Mariana MineralsSan Francisco

Mining

Software-first mining and refining of critical minerals

MatXMountain View

Electronics·AI

High-throughput AI chips for large language models

Maven RoboticsSanta Clara

Robotics·AI·Logistics

General-purpose AI robots for factories and warehouses

MetalplantSan Francisco Bay Area

Mining·Materials

Grows nickel from plants on rock-weathering farms

Mind RoboticsPalo Alto

Robotics·AI·Manufacturing

Robots and AI models for factory work

MomentusSan Jose

Space

In-space transport vehicles and satellite services

Muon SpaceMountain View

Space·Manufacturing·Sensors

Builds and operates Earth observation satellites

MytraBrisbane

Robotics·Logistics

Warehouse robots for storage and material handling

NevoyaSan Francisco

Mobility

Electric trucking carrier for shippers and 3PLs

NimbleSan Francisco

Robotics·AI·Logistics

Robotic fulfillment centers for ecommerce orders

Noble MachinesSunnyvale

Robotics·Manufacturing

General-purpose robots for hazardous industrial work

OctaviaPalo Alto

Mining·Materials

AI-driven exploration for critical mineral deposits

OkloSanta Clara

Nuclear·Energy

Fast fission microreactors and nuclear fuel recycling

Orbital OutpostSanta Clara

Space

Spacecraft docking connectors for power, data and fluids

Orbital SidekickSan Francisco

Space·Sensors

Hyperspectral imaging satellites for Earth monitoring

OusterSan Francisco

Sensors·Robotics·AI

Digital lidar sensors for robotics and automation

P-1 AISan Francisco

AI·Software·Manufacturing

Archie, an AI engineer for physical product design

Pacific FusionSan Leandro

Nuclear·Energy

Pulser-driven inertial fusion for grid power

Path PowerOakland

Energy

Trenchless equipment for utility undergrounding

Peak EnergyBurlingame

Energy

Sodium-ion batteries for grid storage

Perennial AutonomyMenlo Park

Defense·Drones·AI

Strike drones and interceptors that counter aerial threats

Physical IntelligenceSan Francisco

Robotics·AI

General-purpose AI models that control robots

PilgrimRedwood City

Biotech·Defense·Sensors

Autonomous sensors that detect airborne biothreats

Planet LabsSan Francisco

Space·Sensors

Earth-imaging satellites and daily planetary data

PlantedOakland

Energy·Robotics·Construction

Robots that install terrain-following solar arrays

Poseidon AerospaceAlameda

Aerospace·Drones·Logistics

Unmanned cargo aircraft for regional freight and defense

Radify MetalsCampbell

Materials·Manufacturing

Plasma reactors for refining metals and rare earths

Reliable RoboticsMountain View

Aerospace·AI

Autonomous flight systems for cargo aircraft

RevereSan Francisco Bay Area

Defense·Communications

Rhoda AIPalo Alto

Robotics·AI

Foundation models for industrial robots

Roam RoboticsSan Francisco

Robotics·Defense

Wearable robotic exoskeletons that boost leg strength

Rondo EnergyOakland

Energy·Manufacturing

Heat batteries that turn solar and wind into industrial heat

SaildroneAlameda

Maritime·Defense·Sensors

Autonomous sailing drones for ocean data and surveillance

SanchoPalo Alto

Robotics·Manufacturing·AI

Software that lets robots operate factory machines

Scout AISunnyvale

Defense·AI·Robotics

AI foundation models for defense robotics

SenecaSausalito

Drones·Robotics

Autonomous drones for wildfire suppression

SiFiveSan Mateo

Electronics

RISC-V processor core IP for chipmakers

Sila NanotechnologiesAlameda

Materials·Energy

Silicon anode materials for lithium-ion batteries

SiMa.aiSan Jose

Electronics·AI·Robotics

Chips that run AI on robots, drones and vehicles

SkydioSan Mateo

Drones·AI·Defense

Autonomous drones for inspection and defense

SolideonBerkeley

Manufacturing

Autonomous deployable robotic factories

Starship TechnologiesSan Francisco

Robotics·Logistics

Autonomous sidewalk robots for local delivery

Sunday RoboticsRedwood City

Robotics·AI

Memo, a home robot for household chores

Surtr Defense SystemsSan Francisco

Defense·Software·AI

Hardware-agnostic operating system for drone defense

TandemSan Francisco Bay Area

AI·Software

AI software that ties requirements to CAD for hardware teams

TenstorrentSanta Clara

Electronics·AI

AI processors and computers built on RISC-V

The Bot CompanySan Francisco

Robotics·AI

Home robots that handle everyday household chores

TheseusSan Francisco Bay Area

Defense·Sensors

Visual positioning systems for drones in GPS-denied areas

TwelveBerkeley

Energy·Materials

Converts CO2 into fuels and chemicals using electricity

UlyssesSan Francisco

Maritime·Defense

Autonomous ocean vehicles for maritime monitoring

UptoolSan Mateo

Manufacturing·Software

AI quoting software for machine and fab shops

Vannevar LabsSan Francisco Bay Area

AI·Defense

AI software for national security intelligence missions

Vantage RoboticsSan Leandro

Drones·Defense

Small military-grade drones for reconnaissance

Vector AtomicPleasanton

Sensors·Defense·Optics

Optical atomic clocks and quantum inertial sensors

Velo3DFremont

Manufacturing·Aerospace

Metal 3D printers and parts production

ViaBotSunnyvale

Robotics

Autonomous robots that sweep and patrol outdoor property

VimaanSan Jose

Robotics·AI·Logistics

Computer vision systems that track warehouse inventory

Voxel EnergySan Francisco

Energy

Off-grid data centers deployed in months

Voya EnergyHayward

Energy·Materials

Aluminum-fueled generators for industrial power

WestmagSouth San Francisco

Electronics·Manufacturing·Drones

Drone motors and robot actuators made in the US

Westwood AerogelAlbany

Manufacturing·Materials

Aerogel thermal insulation materials

Wisk AeroMountain View

Aerospace·Mobility

Autonomous all-electric air taxis

xLightPalo Alto

Optics·Electronics

Free-electron lasers as the light source for chip lithography

Xona Space SystemsBurlingame

Space·Sensors

LEO satellite constellation for precise navigation

ZiplineSouth San Francisco

Drones·Logistics

Autonomous delivery drones for medical and retail goods