Space Infrastructure companies

Momentus is a U.S. commercial space company building orbital transfer vehicles and providing in-space transportation, hosted payloads, and on-orbit servicing.

Cowboy Space Corp. builds satellite infrastructure in Low Earth Orbit for space-based power generation, energy transmission via infrared lasers, and optical dat…

Mantis Space builds orbital power infrastructure using laser transmission technology to deliver continuous energy to satellites and spacecraft.

Axiom Space builds commercial space infrastructure including Axiom Station and next-generation spacesuits, and operates human spaceflight missions to the ISS.

Turion Space builds and operates spacecraft and mission software for space domain awareness, in-orbit servicing, and space logistics, serving U.S. government an…

Vast is an American aerospace company developing commercial space stations and infrastructure for long-term human habitation in space.

Eclipse Space is a stealth startup founded by SpaceX alumni that provides a standardized platform for deploying sovereign and commercial satellite megaconstella…

Northwood Space provides end-to-end ground infrastructure for space missions, focusing on satellite backhaul and shared access models across aerospace, defense,…

Muon Space designs, builds, and operates mission-optimized satellite constellations for defense, civil, and commercial customers from its Silicon Valley base.

K2 Space designs and manufactures ultra-high-power satellite platforms for commercial, scientific, and defence missions across LEO, MEO, GEO, and cislunar space…

Loft Orbital is a space infrastructure company providing a platform and satellite fleet to deploy payloads and run AI applications in low Earth orbit.

Karman Space & Defense is a concept-to-production solutions provider delivering mission-critical systems for hypersonics, missile defense, and space launch.

A New Zealand aerospace startup building a reusable, uncrewed satellite platform to provide scalable microgravity access with safe Earth return for researchers…

Space Kinetic builds electromechanical systems for deploying micro-payloads from spacecraft without thrusters, targeting national security space missions from E…

Impulse Space is an aerospace startup founded in 2021 that designs and operates spacecraft for in-space payload transportation, founded by SpaceX veteran Tom Mu…

Privateer Space builds an AI-powered geospatial intelligence platform that fuses multi-domain data into actionable analytics for sectors like defense and energy…

Starfish Space builds autonomous satellite servicing vehicles designed to extend spacecraft lifespans and manage disposal, using electric propulsion to offer a…

Relativity Space is an aerospace manufacturer using 3D printing and robotics to build reusable rockets for launch services.

Capella Space builds and operates a U.S. commercial constellation of synthetic aperture radar satellites, providing high-resolution, all-weather Earth observati…

Fortastra builds autonomous, low-cost maneuverable spacecraft for on-orbit defense and protection of critical space infrastructure using commercial components.