Seattle
26 companies · 16 sectors · 2 investors
Blue Origin has been headquartered in Kent since its founding in 2000, and its alumni now run companies of their own. Stoke Space is building Nova, a fully reusable rocket, and Starfish Space builds spacecraft that dock with satellites in orbit. Helion is building magnetic fusion power plants and has agreed to sell power to Microsoft.
Open Seattle on the map →What's being built in Seattle
Recently on the Wire
Hubble Network raises a $200M Series C to grow its Bluetooth-to-satellite constellation to 60 spacecraft
Funding·Sep 23, 2026·GeekWire
Stoke Space closes an initial $1B of a Series E to scale its fully reusable Nova rocket
Funding·Sep 8, 2026·Stoke Space
Blue Origin wins a $700M NASA contract to build and run a Mars communications orbiter
Milestone·Sep 1, 2026·NASA
Starcloud raises $250M at a $2.3B valuation to build data centers in orbit
Funding·Aug 21, 2026·Starcloud
Investors based in Seattle
All 26 companies
Avalanche EnergySeattle
Nuclear·Energy
Compact fusion machines for power and radiation sources
Blue OriginKent
Space·Aerospace
Reusable rockets and lunar landers
Brinc DronesSeattle
Drones·Defense
Drones for police and emergency first responders
Carbon RoboticsSeattle
Robotics·AI
Laser-weeding robots for farms
EchodyneKirkland
Sensors·Defense
Compact metamaterial radar for defense and security
Endurance EnergySeattle
Energy·Maritime
Subsea geothermal power on the seafloor
GraviticsSeattle
Space·Manufacturing
Orbital carriers and modules for space stations
Group14 TechnologiesWoodinville
Energy·Materials
Silicon-carbon anode materials for lithium-ion batteries
HelionEverett
Nuclear·Energy
Magnetic fusion power plants
Hubble NetworkSeattle
Space·Communications
Bluetooth network connecting IoT devices through satellites
InterluneSeattle
Space·Mining·Materials
Lunar helium-3 harvesting and space resource hardware
KymetaRedmond
Communications·Defense·Space
Multi-orbit satellite terminals for mobile connectivity
magniXEverett
Aerospace·Electronics·Energy
Electric propulsion motors for aircraft
New Frontier AerospaceKent
Space·Aerospace·Defense
Rocket engines for hypersonic aircraft and orbital transfer
Olis RoboticsSeattle
Robotics·Software
Remote video diagnostics for PLCs and industrial robots
Orbital RoboticsPuyallup
Aerospace·Robotics
Robotic systems for capturing and servicing satellites
Overland AISeattle
Defense·AI·Robotics
Autonomous ground vehicles for the military
Portal Space SystemsBothell
Space·Aerospace
Solar-thermal spacecraft built for rapid orbital maneuvers
Radian AerospaceSeattle
Space·Aerospace
Single-stage-to-orbit reusable spaceplane
Spinor EnergySeattle
Aerospace·Energy
Superconducting power systems for grid and industry
StarcloudRedmond
Space·Electronics
Data centers in orbit for AI compute
Starfish SpaceKent
Space·Robotics
Satellite servicing spacecraft for docking in orbit
Stoke SpaceKent
Space·Aerospace
Fully reusable rockets starting with the Nova vehicle
TerraPowerBellevue
Nuclear·Energy
Sodium-cooled fast reactors with molten salt energy storage
WiBoticSeattle
Robotics·Energy
Wireless charging systems for robots and drones
Zap EnergyEverett
Nuclear·Energy
Fission and sheared-flow Z-pinch fusion power systems