Alternatives to ISPTech
The top Space Technology companies similar to ISPTech, ranked by relevance (named competitors first, then how closely their sectors overlap) and our 0-100 AI-readiness score. Each links to a full profile with funding and team.
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Aalyria Technologies63Space TechnologyLivermore, USA$108.7MA space networking startup developing advanced communications technology for satellite constellations.
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Letara Ltd.49AerospaceSapporo, Japan$16.0MJapanese space tech startup developing hybrid rocket propulsion systems for satellite, launch, defense, and security applications.
- Website YOYORK SPACE SYSTEMS63AerospaceDenver, United States$629.0M
Designs and manufactures spacecraft solutions for government and commercial customers.
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Sierra Space62AerospaceLouisville, USA$2.3BBuilding a space-based economy with a reusable spaceplane and orbital destinations.
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Varda Space Industries62AerospaceEl Segundo, United States$277.0MDeveloping reusable spacecraft to manufacture pharmaceuticals and high-end materials in microgravity for Earth use.
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The Exploration Company61AerospaceBordeaux, Europe$105.0MEuropean private space ventures redefining independent orbital infrastructure.
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ORBION Space Technology58AerospaceHoughton, United States$59.3MSpecializes in plasma propulsion systems for spacecraft.
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MAGDRIVE55SpaceTechHarwell, United Kingdom$12.5MDevelops next-generation, high-thrust electric plasma propulsion systems for the space industry.
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Akash Systems54Artificial IntelligenceSan Francisco, United States$17.6MDiamond cooling solutions for AI data center efficiency and high-performance satellite communications.
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ADRANOS53AerospaceWest Lafayette, United States$21.6MSpecializes in propulsion systems for small satellites.
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NewOrbit52AerospaceReading, United Kingdom$28.5MBuilding satellites for very low Earth orbit (VLEO) to advance global connectivity and insight.
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PLD Space51AerospaceElche, Spain$308.5MA Spanish company developing small satellite launch vehicles.
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ExoAnalytic Solutions51AerospaceFoothill Ranch, United States$63.0MProvider of space domain awareness, intelligence, and advanced missile defense technology solutions.
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COSMIC SHIELDING CORPORATION50AerospaceAtlanta, United States$60.2MDevelops radiation shielding solutions for space.
- Website ACACCION SYSTEMS49AerospaceBoston, United States$78.2M
Develops electrospray propulsion systems for satellites.
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solestial48AerospaceTempe, United States$27.0MProvides optical and photonic components for space.
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Another Earth48Artificial IntelligenceVienna, Austria$3.7MAI-powered simulation and synthetic data engine for Earth observation and geospatial AI model training.
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A next-generation commercial space station for the post-ISS low-Earth orbit economy.
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ThrustMe47AerospaceVerrières-le-Buisson, France$2.0MDevelops innovative, iodine-fueled electric propulsion systems for small satellites.
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Supernova Invest47Venture CapitalParis, France$63.0MA venture capital firm focused on deeptech innovation.
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Lux Aeterna47AerospaceDenver, United States$14.0MDeveloping the world's first fully reusable satellite platform to enable high-tempo, cost-effective orbital operations.
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ENPULSION45AerospaceWiener Neustadt, Austria$4.2MDevelops electric propulsion solutions for satellites.
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K244AerospaceDenver, USA$63.0MBuilding data centers in space.
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Nebex42AerospaceNew York, USA$30.0MMarket infrastructure platform for the global space economy.
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TerraSpark40EnergyBelgium$5.0MDeveloping space-based solar energy systems for continuous, weather-independent power.
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Starlink79SpaceTechHawthorne, United States$2.2BStarlink is SpaceX's satellite internet constellation providing high-speed broadband internet access to underserved areas worldwide.
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SpaceX78SpaceTechStarbase, United States$10.0BDesigns, manufactures, and launches advanced rockets and spacecraft, aiming to make humanity multiplanetary.
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Relativity al76Aerospace ManufacturingLong Beach, United States$4.5BAerospace manufacturing company building 3D-printed rockets for commercial orbital launch services.
- Website DEDeep Space Energy35AerospaceToulouse, France$930K
Developing advanced energy solutions for space exploration.
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Stoke Space73SpaceTechKent, United States$1.3BDeveloping fully reusable rockets for low-cost, on-demand access to and from space.
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General Dynamics71AerospaceReston, United States$60.0BGlobal aerospace and defense company producing business jets, combat vehicles, submarines, and IT services.
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URSA MAJOR71Defense TechBerthoud, United States$100.0MDesigns and manufactures flight-proven aerospace and defense systems, including rocket engines and hypersonic capabilities.
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Amazon.com70E-commerceSeattle, United States$8.2BGlobal e-commerce, cloud computing, digital streaming, and artificial intelligence giant.
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Spire Global70SpaceTechVienna, United States$800.0MGlobal data and analytics company providing real-time insights from space-based assets.
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Iridium Communications69SpaceTechMcLean, United States$22KGlobal satellite network providing critical voice and data for mission-essential applications.
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Loft Orbital69SpaceTechSan Francisco, United States$326.0MLoft Orbital provides a full-stack solution for deploying and operating microsatellites in orbit.
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Axiom Space68SpaceTechHouston, United States$943.0MAxiom Space is building the first commercial space station and providing human spaceflight services.
- ARArkadia Space28AerospaceSpain$14.5M
Developing green propulsion systems for space missions.
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Notion Labs67AISan Francisco, United States$525.0MAI assistant integrated into Notion for writing, summarizing, brainstorming, and streamlining workflows within the workspace.
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Software-first manufacturing company building a distributed network of AI-powered precision factories for critical industries.
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ArianeGroup64SpaceTechParis, France$95.0MEuropean leader in space launchers and defense systems, developing and operating reliable civil and military launch vehicles.
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Impulse Space64SpaceRedondo Beach, United States$500.0MIn-space transportation company building autonomous orbital transfer vehicles, founded by SpaceX employee #1.
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Notion64SaaSSan Francisco, United States$200.0MNotion is an all-in-one workspace that combines notes, wikis, tasks, and databases.
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SLINGSHOT AEROSPACE64AerospaceWindsor, United States$73.8MProvides software for space situational awareness and operations.
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Airbus Zephyr64Defense TechPortsmouth, United Kingdom$202.4MSolar-electric, high-altitude pseudo-satellite for persistent stratospheric operations.
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Ramon.Space63Software Defined (SD)Tel Aviv, Israel$43.5MBuilds space-resilient super-computing systems for cloud computing in space.
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Cohere63SpaceTechToronto, Canada$500.0MCohere offers a secure, all-in-one enterprise AI platform with cutting-edge multilingual models, advanced retrieval, and an AI workspace, enabling businesses to build high-impact applications grounded in proprietary data.
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D-Orbit Portugal is the Portuguese subsidiary of D-Orbit, a space logistics and orbital transportation company.
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Blue Origin63AerospaceKent, USA$10.1BDeveloping space infrastructure for data centers and beyond.
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Starfighters Space63AerospaceKennedy Space Center, USA$17.5MOperating the world's only commercial fleet of flight-ready MACH 2+ supersonic aircraft for space launch.
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Observable Space63AerospaceAdrian, United States$101.0MEnabling scalable, low-cost space-to-Earth laser communications.
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Firefly Aerospace62SpaceTechCedar Park, United States$1.3BAmerican aerospace company developing launch vehicles and spacecraft for commercial and government customers.
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InnerPlant62AgritechDavis, United States$51.7MAgritech startup using optical sensors to enable crops to communicate their needs.
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Novanta62Medical TechnologyBedford, United States$300.0MA US-listed public company serving as a technology and strategic partner for startups in the medical technology space.
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Rocket Lab62SpaceTechLong Beach, United States$2.1BAn end-to-end space company providing launch services, satellite manufacturing, and space systems solutions.
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Boeing21AerospaceArlington, United States$5.5BDesigns, manufactures, and sells airplanes, rotorcraft, rockets, satellites, and missiles worldwide.
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Starfish Space61SpaceTechTukwila, United States$36.0MDevelops autonomous spacecraft for on-orbit satellite servicing, life extension, and debris capture.
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True Anomaly61Defense TechDenver, United States$650.0MDefense tech company building a space domain awareness and defense platform.
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Seraphim Space61SpaceTechLondon, United Kingdom$100.0MGlobal venture capital firm investing in the SpaceTech sector.
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Redwire61AerospaceJacksonville, USA$63.0MA global leader in space and defense technology solutions.
Compare ISPTech head to head
Side by side on what each one does, what it costs, and what real users report.

