Space organisations in United States

American space networking startup spun out of Google — provides Spacetime network orchestration software and Tightbeam laser communication terminals.

Develops hypergolic in-space propulsion systems for small satellites, lunar landers and orbital transfer vehicles — provides flight-proven, non-toxic storable propellant thruste…

American very-low-Earth-orbit satellite company — builds VLEO satellite buses and the Clarity constellation for high-resolution visible and thermal imagery.

Mass-manufactures productized satellite bus platforms — the Aries (100kg) and Nova (600kg+) buses offer standardised, configurable spacecraft for government and commercial LEO m…

American radar satellite startup — building formation-flying multistatic SAR satellite clusters to produce 3D imagery of the Earth's surface.

Full life-cycle in-space mobility provider — develops green chemical, electric and hybrid propulsion systems for CubeSats through ESPA-class spacecraft in LEO, GEO and beyond.

American in-space manufacturing startup — develops the Modular Space Foundry for metal processing in orbit and power processing units for satellites.

American space software startup — its CNTIENT AI platform automates satellite collection planning and mission management for operators and government.

Provides mission operations software for space companies — the Epsilon3 platform manages builds, test schedules, procedures and launch data for satellite manufacturers, launch o…

Develops low-cost, high-performance propulsion systems for lunar landers, orbital transfer vehicles and deep space missions — produces monopropellant and bipropellant thrusters …

American space station module builder — develops large habitable spacecraft modules for commercial stations and US Space Force missions.

American satellite IoT startup — operates a LEO constellation that connects standard Bluetooth Low Energy devices directly to satellites.

Develops in-space transportation vehicles for the inner solar system — operates Mira (LEO tug) and Helios (deep-space tug) to deliver payloads to custom orbits beyond what launc…

American lunar resources startup — developing technology to prospect for, extract and return helium-3 from the Moon for quantum and fusion markets.

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…

Develops high-cadence reusable atmospheric reentry vehicles for rapid return from space — the Arc capsule enables frequent, affordable cargo return for manufacturing, biology an…

Develops high-power, large satellite buses for LEO, MEO, GEO and Cislunar space — the K2 platform supports multi-kilowatt payloads at dramatically lower cost, targeting governme…

American orbital debris removal startup — develops the REACCH gecko-adhesive capture system, tested on the ISS, and the Laelaps removal spacecraft.

Manufactures advanced composite structures and components for space launch vehicles and satellites — produces rocket nosecones, fairings, structural assemblies and thermal prote…

Builds autonomous robotic spacecraft for in-orbit servicing — the NEXUS vehicle installs new payloads and upgrades on unprepared satellites in GEO/MEO, pioneering an 'upgrade ec…

American space traffic coordination startup — its Pathfinder platform automates conjunction assessment and collision avoidance for satellite operators.

Develops deep space navigation and positioning systems — provides autonomous on-board navigation for lunar and cislunar spacecraft without reliance on Earth-based tracking.

Deploys space infrastructure as a service — provides rapid, simplified access to orbit through hosted payload missions on its standardised satellite buses, enabling customers to…

Develops lunar rovers and surface mobility systems — the MAPP rover operated at the lunar South Pole in 2025 and the company is a NASA Artemis Lunar Terrain Vehicle finalist.

Enables global cell phone connectivity via nanosatellites — provides direct-to-standard-mobile satellite communication without any modifications to existing handsets for emergen…

American space habitat startup — develops expandable habitats for low Earth orbit, lunar and deep-space missions, with a first flight planned on SpaceX.

Designs, builds and operates mission-optimised LEO satellite constellations — the Halo platform delivers critical Earth intelligence data for national security, civil and commer…

Deploys stratospheric balloons carrying high-resolution cameras to provide imagery with the resolution of drones at the cost and coverage of satellites — serves insurance, agric…

Develops satellite technology for ultra-low Earth orbit (ULEO) operations — enabling satellites to operate at altitudes of 200-350km for superior resolution imaging and reduced …

American ground segment startup — mass-produces phased-array satellite ground stations and offers ground-network services to satellite operators.

Builds the Gas Stations in Space™ — delivers propellant to spacecraft in LEO, GEO and cislunar space using the RAFTI refueling interface; enabling satellite refueling and extend…

Operates a hyperspectral satellite constellation for industrial infrastructure monitoring — detects pipeline leaks, illegal dumping and environmental hazards using AI-powered sp…

American reentry startup — develops Ferryall and Carryall return vehicles using deployable heat shields and guided paragliders for cargo return.

Develops integrated launch vehicles, modular satellites and in-space propulsion — the Daytona rocket targets small satellite orbital launches with a turnkey space access and dat…

Develops radio frequency (RF) plasma electric propulsion systems for small satellites — the Maxwell thruster provides scalable, propellant-free in-space propulsion for LEO const…

Develops the Supernova high-power solar electric orbital transfer vehicle — enables satellites to move freely across orbits for resupply, repositioning and extended mission life.

American space data company — combines space situational awareness and Earth observation analytics, incl. Orbital Insight's TerraScope platform.

American spacecraft company — develops the maneuverable, refuelable Ranger spacecraft for national security and cislunar missions from LEO to the Moon.

American spaceplane developer — designing Radian One, a reusable rail-launched single-stage-to-orbit vehicle for crew and cargo to low Earth orbit.

Pioneers 3D-printed rocket manufacturing — developing the Terran R fully reusable medium-lift launch vehicle using autonomous Stargate robotic printing for the commercial launch…

Develops hybrid propulsion systems for launch vehicles — pioneers 3D-printed fuel grain technology for safer, cleaner and more affordable rocket propulsion for small satellite l…

US-Kenyan space software startup — builds software to run AI workloads on satellites and pool computing across spacecraft in orbit.

American non-terrestrial network operator — provides standards-based direct-to-device satellite messaging for phones, wearables and IoT over MSS spectrum.

American space company — developing kinetic centrifuge launch technology and the Meridian Space LEO broadband satellite constellation.

Creating the first energy grid for space — develops orbital infrastructure to harvest solar power and beam it wirelessly to power-hungry satellites, extending their life and ena…

Develops Otter, a small and affordable in-space servicing vehicle for satellite life extension and orbital logistics — the first commercial spacecraft to dock with another comme…

Developing Nova, a 100% fully reusable medium-lift orbital rocket — targets rapid turnaround between flights with an actively cooled second-stage heatshield for atmospheric reen…

Founded by ex-US Space Force members — develops spacecraft, mission software and payloads for space superiority, space domain awareness and national security missions in orbit.

Builds and operates spacecraft for space domain awareness, in-orbit servicing and debris mitigation — operates the DROID satellite fleet and Starfire NEXUS platform for national…

American SAR satellite operator — builds and operates a commercial synthetic aperture radar constellation and sells imagery to government and commercial users.

American geospatial analytics company — turns SAR and other satellite data into intelligence products such as global oil storage and vessel monitoring.

Pioneers orbital manufacturing and reentry platforms — processes pharmaceuticals and advanced materials in microgravity, returning them via the W-Series reentry capsule for life…

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…

American lunar mobility company — develops the FLEX rover family and lunar terrain vehicles for NASA Artemis and commercial payload delivery.

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…

Building the PULSAR LEO satellite constellation for direct-to-device precision navigation — delivers centimetre-level GPS accuracy for autonomous vehicles, drones and robotics.

Provides space-as-a-service via its LEO hyperspectral satellite constellation — offers remote sensing data products, edge computing in orbit and mission operations software for …

Develops space-based nuclear power systems using radioisotope thermoelectric generators (RTGs) from nuclear waste — provides persistent power for satellites, lunar bases and dee…

American plasma propulsion developer — builds the VASIMR variable specific impulse magnetoplasma rocket near NASA Johnson Space Center.

Develops autonomous systems for all domains including space — builds AI-powered autonomous vehicles, rocket motors and software for national security and allied defence missions.

Building the first and only space-based cellular broadband network directly accessible by standard smartphones — operates BlueBird LEO satellites enabling 4G/5G from space globa…

American launch and spacecraft propulsion company — develops the Rocket 4 small launcher and builds Astra Spacecraft Engines electric thrusters.

Builds small, affordable geostationary MicroGEO communications satellites — delivers dedicated broadband connectivity to underserved regions and government customers. Acquired b…

American small satellite manufacturer — builds and operates satellites for commercial, civil and defence missions, incl. Lyra IoT satellites for EchoStar.

America's premier lunar logistics company — builds lunar landers, rovers and surface infrastructure for NASA CLPS and commercial customers. Developed Peregrine and Griffin lunar…

American ground-station-as-a-service provider — runs a global antenna network managed through its Freedom software platform for satellite operators.

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.

Space-based intelligence company delivering real-time high-frequency Earth observation — operates a LEO small satellite constellation with AI analytics via the BlackSky Spectra …

Develops reusable rockets and space vehicles to enable a future where millions live and work in space.

Develops launch systems, satellites and crewed spacecraft for government and commercial customers.

Space and technology consulting and research firm — produces authoritative annual market reports on commercial space, launch, satellites and defence, and advises government and …

American spacecraft propulsion manufacturer — builds Hall effect, electrospray, RF ion and green monopropellant thrusters, incl. for NASA Gateway's PPE.

Operates the first US commercial SAR constellation — delivers 50cm resolution all-weather imagery for defense, intelligence and commercial customers through the Capella IonQ pla…

Develops software-defined phased array communications payloads for space and airborne platforms — builds multi-beam active phased array systems for defense, commercial and civil…

Global provider of satellite technology and services — operates geostationary and LEO satellites for broadband connectivity, video distribution and VSAT networks across consumer…

Develops small- to medium-lift launch vehicles, lunar landers and space tugs — operates the Alpha rocket, Blue Ghost lunar lander and Elytra space tug for government and commerc…

American mobile satellite services operator — runs a LEO constellation for satellite voice, IoT and direct-to-device messaging services.

Builds AI-powered autonomous factories producing precision components for rockets, satellites, jets and drones — the Opus software platform enables Factories-as-a-Service for ae…

Operates a commercial satellite constellation for RF signal geolocation and spectrum analytics — provides maritime domain awareness, spectrum monitoring and defense intelligence…

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…

Operates the only mobile satellite network spanning the entire globe — provides voice and data communications, broadband and IoT tracking for maritime, aviation, government and …

Provides satellite connectivity solutions for mobile-on-the-move platforms — develops flat-panel electronically steerable antenna systems for vehicles, maritime vessels and avia…

Sixth-largest US defense contractor — provides space payloads, sensors, satellite intelligence, electronic warfare and communication systems for national security and commercial…

World's leading provider of persistent orbital intelligence — operates a global proliferated radar network for real-time tracking, characterisation and threat response in LEO.

Develops advanced space systems, satellites and deep space exploration vehicles.

Leading provider of advanced space technology solutions, satellite imagery and geospatial intelligence.

Provides in-space transportation and services — operates the Vigoride orbital transfer vehicle for last-mile satellite delivery, hosted payloads and in-space demonstration missi…

Global aerospace, defence and space technology company delivering advanced systems and solutions.

Provides aerospace engineering, mission operations and IT services for NASA and civil space programs — specialises in satellite mission operations, flight dynamics, network mana…

Operates the world's largest fleet of Earth observation satellites for daily global imaging.

Satellite and space industry research and advisory firm — provides market analysis, investment research and strategic consulting for satellite operators, manufacturers and inves…

American ground station network provider — offers satellite communication services through owned and partner antennas at 60+ locations worldwide.

Develops cutting-edge engineering and software solutions for space exploration and renewable resources — provides flight software, systems engineering and mission operations sup…

Leading space infrastructure company — develops deployable solar arrays, in-space 3D printing, satellite components and biotech payloads for NASA, DoD and commercial customers.

Delivering frequent, reliable launch services and spacecraft solutions to make space more accessible for all.

Global aerospace and defense conglomerate — provides space-based sensors, missile defense systems, satellite intelligence and propulsion via Collins Aerospace, Pratt & Whitney a…

American space and defence company — builds LizzieSat multi-mission satellites and provides space manufacturing and data services from Cape Canaveral.

Develops space transportation and orbital infrastructure — builds the Dream Chaser spaceplane, expandable LIFE habitat and Velocity satellite platforms for the commercial space …

Provides satellite tracking, space traffic coordination and orbital analytics — the Slingshot platform fuses data from global sensor networks and proprietary databases for space…

Early-stage VC firm investing exclusively in space-based technologies — manages Space Angels angel platform and Space Talent career network alongside its core investment fund.

Develops Spaceship Neptune, a pressurized gondola lifted by a giant hydrogen balloon to the edge of space — offers 6-hour near-space tourism experiences. Acquired by Eos X Space…

Provides aerospace engineering, market research, advanced concept development and innovative flight hardware — specialises in small satellite systems, propulsion and hypersonic …

Designs, manufactures and launches advanced rockets and spacecraft to revolutionise access to space.

Space-to-cloud data and analytics company operating 110+ nanosatellites — tracks maritime, aviation and weather patterns globally and offers orbital services and federal solutions.

American commercial space station developer — joint venture led by Voyager Technologies building the Starlab LEO station under NASA's CLD programme.

Advances high-speed technology through design, manufacturing and operation of hypersonic aerospace vehicles — operates the world's largest aircraft (Roc) and Talon-A hypersonic …

Operates a constellation of weather monitoring satellites — combines space-based microwave radiometry with AI to provide proprietary weather intelligence for aviation, energy an…

Provides reliable, affordable access to space for US government and commercial missions.

Develops flight-proven liquid and solid rocket propulsion systems for space launch, hypersonics and space mobility — builds the Hadley, Ripley and Arroway engines for next-gener…

American satellite communications company — operates Ka-, L- and S-band satellite fleets (incl. Inmarsat) for broadband, aviation, maritime and defence users.

Pioneering commercial human spaceflight with reusable spaceplane technology.

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…

Mass-produces complete mission-ready spacecraft platforms — the S-CLASS bus provides rapid, affordable satellite solutions for government and commercial LEO communications, EO a…

Nonprofit research and graduate education institute adjacent to NASA Langley — conducts aerospace research, develops new technologies and inspires the next generation of space s…

NSF's center for ground-based optical/infrared astronomy — manages the Gemini Observatory, Vera C. Rubin Observatory, SOAR Telescope and Kitt Peak National Observatory for the g…

Utah State University-owned University Affiliated Research Center — builds small satellites, space sensors and payloads for US defence and NASA missions.

Science operations centre for NASA's Hubble and James Webb Space Telescopes — manages science operations, data archives and astronomical research for humanity's premier space-ba…

Independent nonprofit providing technical expertise and analysis for national security space programs — advises the US Space Force, NRO, NASA and commercial space on systems eng…

NASA-funded virtual institute at Baylor College of Medicine — translates terrestrial biomedical advances into practical space health solutions for long-duration human spaceflight.

Non-profit consortium of 100+ universities advancing space science and technology — manages research programs, institutes and facilities for NASA and DoD across astrophysics, pl…

United States government agency leading civilian space exploration, aeronautics research and Earth science.

US government office within NOAA — acquires and operates the nation's environmental satellites (GOES, JPSS) and runs the National Centers for Environmental Information.

US Space Force acquisition agency — fields the Proliferated Warfighter Space Architecture of LEO transport and missile-tracking satellite tranches.

Florida state aerospace and spaceport development authority — finances space infrastructure and develops Exploration Park and spaceport facilities.

Space service branch of the US Armed Forces within the Department of the Air Force — organises, trains and equips forces for military space operations.

American commercial space trade association — represents launch, LEO, satellite, lunar and spaceport companies in policy advocacy in Washington, DC.

Non-profit professional association dedicated to national security space — advocates for US space defence capabilities, educates policymakers and connects the defence space indu…

US satellite industry trade association — represents operators, manufacturers, launch and ground providers on policy and regulatory issues in Washington.

Global non-profit advocate for the space ecosystem — produces the annual Space Symposium, policy advocacy and education programmes connecting industry, government and academia.

Non-profit hub for space industry cybersecurity — shares actionable threat intelligence and best practices across commercial, civil and government space operators to protect cri…

Independent space media outlet providing the most detailed technical coverage of launch vehicles, spacecraft and missions worldwide — staffed by volunteer and professional journ…

The go-to daily newsletter and media brand covering the business and policy of space — reaches 100,000+ subscribers across investors, executives and government officials in the …

The world's largest space and astronomy news website — covers latest discoveries, mission news, skywatching and space science for over 10 million monthly readers globally.

The most trusted source of news and analysis for the global space industry — covers civil, military and commercial space for government officials, executives and industry profes…

Leading trade publication for the satellite and space communications industry — covers satellite operators, ground systems, broadband and the converging satellite-terrestrial ec…

State-owned spaceport on Wallops Island, Virginia — operates launch pads used by Rocket Lab, Northrop Grumman and Firefly next to NASA Wallops.

FAA-licensed spaceport and airport in California's Mojave Desert — hosts flight test and rocket development firms such as Scaled Composites.

State-owned Alaskan spaceport on Kodiak Island — provides orbital and suborbital launch and missile test range services to commercial and defence users.

State-owned commercial spaceport in New Mexico — hosts Virgin Galactic suborbital flights and vertical launch tenants in Sierra County.

US space advocacy non-profit — promotes space settlement and exploration through public outreach, policy advocacy and its annual space development conference.

Non-profit advancing women in aerospace — runs leadership programmes, mentoring and advocacy for gender diversity across the global space and aviation workforce.

Award-winning US Space Force-affiliated accelerator based at Catalyst Campus — supports dual-use space and defense tech startups with government access, mentorship and funding p…

Colorado Springs' premier innovation hub for defence and space tech — hosts the Catalyst Accelerator, BMC3I TAP Lab and 100+ companies serving the US Space Force and DoD ecosystem.

American private operating foundation — promotes the secure, sustainable and peaceful use of outer space through research, policy and UN engagement.

American non-profit space advocacy organisation — promotes planetary science and exploration through public outreach, policy advocacy and research grants.

US academic space medicine centre — conducts space biomedical research and education and leads NASA's Translational Research Institute for Space Health.