Top 100 Space startups in USA

Mar 17, 2025 | By Boris Maslennikov

1
Funding: $148.9M
Slingshot Aerospace applies advanced analytics, machine learning, computer vision, and collaborative tools to data from earth and space, providing customers with clarity in complex situations.
2
Funding: $21M
Starcloud offers cloud computing and data relay to satellites in space.
3
Funding: $10.5B
SpaceX is an aviation and aerospace company that operates a network of sattelites and designs, manufactures and launches advanced rockets and spacecraft.
4
Funding: $652M
Globalstar is a satellite network operator that provides widely-used handheld satellite phone service, offering both voice and data services from virtually anywhere.
5
Funding: $164.6M
Momentus is a commercial space company providing satellite buses, in-space transportation, hosted payloads, and in-orbit services.
6
Funding: $5M
Kapta Space develops electrically steerable radar imaging equipment for space.
7
Funding: $161.5M
SpinLaunch is an aerospace company focused on sending satellites to low-Earth orbit using kinetic energy.
8
Funding: $43.8M
Orbit Fab is a supplier of tankers and other infrastructure needed for in-space refueling of satellites.
9
Funding: $17.7M
Interlune is a lunar resource startup that provides resources for a clean and sustainable economy on Earth and in space.
10
Funding: $21M
We want to mine space resources from near-Earth asteroids to provide abundant, sustainable energy and resources in space and for Earth.
Editor: Boris Maslennikov
Boris Maslennikov is a senior editor for Space-Startups. He has spent more than a decade covering the global space industry as a business journalist. He earned a Ph.D. in planetary sciences from the Massachusetts Institute of Technology and a bachelor’s degree with honors in geophysics and planetary science from the California Institute of Technology. In his free time, Boris enjoys studying history and mathematics, with a particular interest in the history of mathematics. You can contact Boris at borismaslenikov(at)space-startups(dot)com