Human Spaceflight & Life Support companies in United States
Space Atlas lists 23 organisations in United States working in human spaceflight & life support: 9 private companies, 8 startups, 2 non-profits, 1 academic institution, 1 spaceport/launch site, 1 government agency, 1 research institution. That is 9% of the 263 space organisations in United States and 37% of the 63 in this sector worldwide. Most are based in Houston (7), Denver (2), Kent (1).
Private Company (9)
- Axiom Space · Private Company · Houston
Builds and operates the world's first commercial space station — develops Axiom Station modules to attach to the ISS and trains astronauts for private human spaceflight missions.
- Blue Origin · Private Company · Kent
Develops reusable rockets and space vehicles to enable a future where millions live and work in space.
- Intuitive Machines · Private Company · Houston
Leads America's return to the Moon — operates Nova-C lunar landers under NASA CLPS, builds the Lunar Data Network, and provides lunar surface access, data relay and space infras…
- Lockheed Martin Space · Private Company · Littleton
Develops advanced space systems, satellites and deep space exploration vehicles.
- Paragon Space Development Corporation · Private Company · Tucson
American engineering company — develops life support and thermal control systems for crewed spacecraft, space stations and other extreme environments.
- Sierra Space · Private Company · Louisville
Develops space transportation and orbital infrastructure — builds the Dream Chaser spaceplane, expandable LIFE habitat and Velocity satellite platforms for the commercial space …
- Starlab Space LLC · Private Company · Houston
American commercial space station developer — joint venture led by Voyager Technologies building the Starlab LEO station under NASA's CLD programme.
- Virgin Galactic · Private Company · Truth or Consequences
Pioneering commercial human spaceflight with reusable spaceplane technology.
- Voyager Technologies · Private Company · Denver
Space technology holding company and parent of Starlab — develops the Starlab commercial space station in partnership with Airbus, targeting crew operations as ISS successor for…
Startup (8)
- Gravitics · Startup · Marysville
American space station module builder — develops large habitable spacecraft modules for commercial stations and US Space Force missions.
- Interstellar Lab · Startup · Arlington
Builds environmentally-controlled ETFE modules for sustainable farming on Earth and life-support systems for space — develops EBIOS habitat technology for Moon, Mars and terrest…
- Max Space · Startup · Merritt Island
American space habitat startup — develops expandable habitats for low Earth orbit, lunar and deep-space missions, with a first flight planned on SpaceX.
- Radian Aerospace · Startup · Bellevue
American spaceplane developer — designing Radian One, a reusable rail-launched single-stage-to-orbit vehicle for crew and cargo to low Earth orbit.
- Space Lab Technologies, LLC · Startup · Boulder
American small engineering firm in Boulder — develops technologies for space habitats, life support, small satellites and high-altitude balloons.
- Varda Space Industries · Startup · El Segundo
Pioneers orbital manufacturing and reentry platforms — processes pharmaceuticals and advanced materials in microgravity, returning them via the W-Series reentry capsule for life…
- Vast · Startup · Long Beach
Developing the first commercial artificial-gravity space station — builds Haven-1 (the world's first commercial space station) in partnership with SpaceX for long-term human hab…
- Venus Aerospace · Startup · Houston
Develops Mach 9 hypersonic aircraft for point-to-point travel — the Stargazer vehicle uses a rotating detonation rocket engine to enable 1-hour transpacific flights for commerci…
Non-profit (2)
- Space for Humanity · Non-profit · Denver
US non-profit expanding access to space — runs a sponsored citizen astronaut programme and leadership training on the overview effect.
- U.S. Space & Rocket Center · Non-profit · Huntsville
Huntsville space museum and Smithsonian Affiliate — official visitor centre for NASA Marshall and home of Space Camp education programmes.
Academic Institution (1)
- Baylor College of Medicine Center for Space Medicine · Academic Institution · Houston
US academic space medicine centre — conducts space biomedical research and education and leads NASA's Translational Research Institute for Space Health.
Government Agency (1)
- NASA · Government Agency · Washington DC
United States government agency leading civilian space exploration, aeronautics research and Earth science.
Research Institution (1)
- Translational Research Institute for Space Health (TRISH) · Research Institution · Houston
NASA-funded virtual institute at Baylor College of Medicine — translates terrestrial biomedical advances into practical space health solutions for long-duration human spaceflight.
Spaceport/Launch Site (1)
- Houston Spaceport · Spaceport/Launch Site · Houston
FAA-licensed commercial spaceport at Ellington Airport, Houston — hosts Axiom Space, Intuitive Machines and Collins Aerospace facilities.