Space
Launch, spacecraft, satellites and everything they need in orbit. 29 companies, $5.88B in disclosed funding.
| SpaceX alumni founders | |||||
|---|---|---|---|---|---|
| Relativity Space Reusable medium-lift rockets built with automated manufacturing. | Space | Jordan Noone | 2015 | Long Beach, CA | $1.3B |
| Impulse Space Orbital transfer vehicles for last-mile delivery in space. | Space | Tom Mueller | 2021 | Redondo Beach, CA | $1.02B |
| K2 Space Very large, high-power satellites designed for heavy-lift rockets. | Space | Neel Kunjur | 2022 | Torrance, CA | $950M |
| Apex Standardized satellite buses built like products, not projects. | Space | Max Benassi | 2022 | Los Angeles, CA | $500M |
| Starcloud Data centers in orbit, powered by continuous sunlight. | Space | Adi Oltean | 2024 | Redmond, WA | $454M |
| Muon Space Satellite constellations for Earth and climate data, built at scale. | Space | Jonny Dyer | — | Mountain View, CA | $386M |
| Varda Space Industries Manufacturing medicines in microgravity and bringing them home. | Space | Will Bruey | 2021 | El Segundo, CA | $329M |
| Xona Space Systems A GPS alternative from low Earth orbit. | Space | Brian Manning | 2019 | Burlingame, CA | $320M |
| Ursa Major Rocket engines and solid rocket motors, sold as products. | Space | Joe Laurienti | 2015 | Berthoud, CO | $238M |
| Turion Space Spacecraft that watch, inspect and service other satellites. | Space | Ryan Westerdahl | 2020 | Irvine, CA | $128M |
| Portal Space Systems Highly maneuverable spacecraft powered by solar thermal propulsion. | Space | Jeff Thornburg | 2021 | Bothell, WA | $67.5M |
| AstroForge Mining platinum-group metals from asteroids. | Space | Jose Acain | 2022 | Huntington Beach, CA | $53M |
| Reflect Orbital Satellites with mirrors that deliver sunlight after dark. | Space | Ben Nowack | 2021 | Hawthorne, CA | $35.2M |
| AnySignal Software-defined radios for spacecraft and defense. | Space | John Malsbury | 2023 | Los Angeles, CA | $29M |
| Canada Rocket Company A reusable medium-lift rocket built in Canada. | Space | David Tenny | 2025 | Toronto, Canada | $16.5M |
| Starpath Mining lunar ice to make rocket propellant. | Space | Saurav Shroff, Mihir Gondhalekar | — | Los Angeles, CA | $12M |
| Argo Space Water-powered space tugs refueled from the Moon. | Space | Robert Carlisle, Ryan Carlisle, Kirby Carlisle | — | Hermosa Beach, CA | $10M |
| Beyond Reach Labs Football-field-size solar arrays that fold into a rocket. | Space | Pele Collins | 2023 | New York, NY | $10M |
| Lux Aeterna Fully reusable satellites that return and fly again. | Space | Brian Taylor | — | Broomfield, CO | $10M |
| AscendArc Small geostationary satellites for communications. | Space | Chris McLain | — | Not disclosed | $3.95M |
| Astrolab Commercial rovers for the Moon and Mars. | Space | Jaret Matthews | 2019 | Hawthorne, CA | — |
| Eclipse Space Turnkey satellite megaconstellations for nations and telecoms. | Space | Derek Huerta | 2026 | Redmond, WA | — |
| Ethos Space Infrastructure for building on the Moon. | Space | Ross Centers, Jeff Overbeek, Brogan BamBrogan | — | Not disclosed | — |
| Farcast User terminals that let more companies run satellite constellations. | Space | Siamak Ebadi | 2019 | California | — |
| Firefly AerospacePublic Launch vehicles, lunar landers and orbital vehicles. | Space | Tom Markusic | 2014 | Cedar Park, TX | — |
| Mithril Shape-changing antennas for satellites. | Space | Scarlett Koller | — | Not disclosed | — |
| Phantom Space Mass-produced small rockets and satellites. | Space | Jim Cantrell | 2019 | Tucson, AZ | — |
| ThinkOrbital Tools for building and repairing structures in orbit. | Space | Lee Rosen | — | Colorado | — |
| Vector LaunchClosed Dedicated launch for small satellites. | Space | Jim Cantrell | 2016 | Tucson, AZ | — |