Space Exploration companies

NASA is the U.S. government agency responsible for civil space exploration, aeronautics research, and scientific discovery.

The Exploration Company builds Nyx, a modular and reusable orbital vehicle for transporting cargo to space stations, with future crewed mission capabilities.

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

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

Arca is a Romanian aerospace non-profit developing technologies for space, aeronautics, defense, and transport, including the EcoRocket launcher and ArcaBoard f…

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

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

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

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…

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

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

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

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…

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

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

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

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

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

General Galactic is a deep-tech startup developing water-based propulsion systems and spacecraft for in-space mobility and energy logistics using electrolysis.