# Top 50 Space Startups in the United States by Funding (2026) > The 50 best-funded space startups in the United States, ranked by total funding raised: $83B combined. Source: https://millionrounds.com/top-lists/space-startups-united-states (Millionrounds; every figure on the page links to its filing or article) - 1 [**SpaceX** SpaceX is an aviation and aerospace company that focuses on reducing the costs associated with space travel by using reusable rockets.](https://millionrounds.com/company/spacex) SpaceX is an aviation and aerospace company that focuses on reducing the costs associated with space travel by using reusable rockets. *Founded* 2002 Hawthorne, United States **$42B** last round Oct 2026 - 2 [**Blue Origin** Blue Origin is a privately funded aerospace manufacturer and spaceflight services company based in Kent, Washington.](https://millionrounds.com/company/blue-origin) Blue Origin is a privately funded aerospace manufacturer and spaceflight services company based in Kent, Washington. *Founded* 2000 Kent, United States **$10B** last round Jul 2026 - 3 [**CesiumAstro** CesiumAstro is an aerospace and defense startup based in Austin, Texas, founded in 2017.](https://millionrounds.com/company/cesiumastro) CesiumAstro is an aerospace and defense startup based in Austin, Texas, founded in 2017. *Founded* 2017 Austin, United States **$1.8B** last round Nov 2026 - 4 [**Stoke Space** Stoke Space is a U.S.](https://millionrounds.com/company/stoke-space) Stoke Space is a U.S. *Founded* 2019 Kent, United States **$1.6B** last round Oct 2025 - 5 [**Archer Aviation**](https://millionrounds.com/company/archer-aviation) *Founded* - United States **$1.6B** last round Jun 2025 - 6 [**Stoke Space Technologies** STOKE Space is a Washington-based manufacturer of space vehicle components and related equipment for the defense and aerospace industries.](https://millionrounds.com/company/stoke-space-technologies) STOKE Space is a Washington-based manufacturer of space vehicle components and related equipment for the defense and aerospace industries. *Founded* 2019 Seattle, United States **$1.3B** last round Sept 2026 - 7 [**Impulse Space** Impulse Space is a private aerospace startup based in Redondo Beach, California, founded in September 2021 by Tom Mueller, a propulsion expert and former SpaceX employee.](https://millionrounds.com/company/impulse-space) Impulse Space is a private aerospace startup based in Redondo Beach, California, founded in September 2021 by Tom Mueller, a propulsion expert and former SpaceX employee. *Founded* 2021 Redondo Beach, United States **$1.3B** last round Sept 2026 - 8 [**Castelion** Castelion is a privately held defense technology and aerospace manufacturing company founded in November 2022 by former SpaceX executives Bryon Hargis, Sean Pit](https://millionrounds.com/company/castelion) Castelion is a privately held defense technology and aerospace manufacturing company founded in November 2022 by former SpaceX executives Bryon Hargis, Sean Pit *Founded* 2022 Torrance, United States **$1.3B** last round Aug 2026 - 9 [**Astranis** Astranis designs, builds, and operates the world’s most advanced high orbit satellites for sovereign connectivity.](https://millionrounds.com/company/astranis) Astranis designs, builds, and operates the world’s most advanced high orbit satellites for sovereign connectivity. *Founded* - United States **$1.2B** last round Sept 2026 - 10 [**Vulcan Elements** Vulcan Elements is a U.S.-based startup manufacturer founded in 2023, specializing in rare earth magnets, particularly sintered neodymium iron boron (NdFeB) magnets.](https://millionrounds.com/company/vulcan-elements) Vulcan Elements is a U.S.-based startup manufacturer founded in 2023, specializing in rare earth magnets, particularly sintered neodymium iron boron (NdFeB) magnets. *Founded* 2023 Vestavia Hills, United States **$1.1B** last round Apr 2026 - 11 [**Apex** Ian Cinnamon, CEO, and Max Benassi, CTO, founded Apex in 2022 to solve one of the space industry's biggest challenges: the satellite production bottleneck.](https://millionrounds.com/company/apex) Ian Cinnamon, CEO, and Max Benassi, CTO, founded Apex in 2022 to solve one of the space industry's biggest challenges: the satellite production bottleneck. *Founded* 2022 Los Angeles, United States **$1.1B** last round Oct 2026 - 12 [**Mach Industries** Mach Industries is a defense technology startup based in Huntington Beach, California, founded in 2023.](https://millionrounds.com/company/mach-industries) Mach Industries is a defense technology startup based in Huntington Beach, California, founded in 2023. *Founded* 2022 Huntington Beach, United States **$1.0B** last round Sept 2026 - 13 [**HyperSat** HyperSat is a developer of hyperspectral imaging satellites.](https://millionrounds.com/company/hypersat) HyperSat is a developer of hyperspectral imaging satellites. *Founded* - United States **$935M** last round Sept 2018 - 14 [**True Anomaly** True Anomaly is a defense technology company specializing in space defense.](https://millionrounds.com/company/true-anomaly) True Anomaly is a defense technology company specializing in space defense. *Founded* 2022 Englewood, United States **$860M** last round May 2026 - 15 [**Karman Space & Defense** Karman Space & Defense offers production solutions for hypersonics, spacecraft, launch vehicles, missiles, and integrated defense systems.](https://millionrounds.com/company/karman-space-and-defense) Karman Space & Defense offers production solutions for hypersonics, spacecraft, launch vehicles, missiles, and integrated defense systems. *Founded* 2021 Huntington Beach, United States **$854M** last round May 2026 - 16 [**Voyager Technologies** Voyager Technologies is a defense and space technology company that develops solutions for national security and commercial space missions.](https://millionrounds.com/company/voyager-technologies) Voyager Technologies is a defense and space technology company that develops solutions for national security and commercial space missions. *Founded* - Denver, United States **$785M** last round Sept 2026 - 17 [**K2 Space** K2 Space focuses on the latest generation of launch vehicles that will open the doors to the solar system.](https://millionrounds.com/company/k2-space) K2 Space focuses on the latest generation of launch vehicles that will open the doors to the solar system. *Founded* 2022 Torrance, United States **$750M** last round Jul 2026 - 18 [**VulcanForms** VulcanForms enables critical industries to innovate, grow, and deliver sustainable impact.](https://millionrounds.com/company/vulcanforms) VulcanForms enables critical industries to innovate, grow, and deliver sustainable impact. *Founded* 2015 Devens, United States **$720M** last round Nov 2026 - 19 [**Chaos**](https://millionrounds.com/company/chaos) *Founded* - United States **$655M** last round Nov 2025 - 20 [**Firefly Aerospace** Firefly Aerospace provides launch vehicles, spacecraft, and in-space services for small payloads.](https://millionrounds.com/company/firefly-aerospace) Firefly Aerospace provides launch vehicles, spacecraft, and in-space services for small payloads. *Founded* 2014 Cedar Park, United States **$609M** last round May 2026 - 21 [**Phoenix Aviation Capital** Phoenix Aviation Capital is a full-service aircraft lessor that focuses on financing modern, in-demand aircraft.](https://millionrounds.com/company/phoenix-aviation-capital) Phoenix Aviation Capital is a full-service aircraft lessor that focuses on financing modern, in-demand aircraft. *Founded* - Stamford, United States **$592M** last round Nov 2025 - 22 [**Antares** Antares, formerly known as Antares Industries, is a nuclear technology company founded in 2023.](https://millionrounds.com/company/antares) Antares, formerly known as Antares Industries, is a nuclear technology company founded in 2023. *Founded* 2023 Torrance, United States **$566M** last round Aug 2026 - 23 [**Hermeus** Hermeus is an American aerospace and defense technology startup founded in 2018 and based in Atlanta, Georgia.](https://millionrounds.com/company/hermeus) Hermeus is an American aerospace and defense technology startup founded in 2018 and based in Atlanta, Georgia. *Founded* 2018 El Segundo, United States **$550M** last round Apr 2026 - 24 [**Sierra Space** Sierra Space is a commercial aerospace and defense technology company based in Louisville, Colorado.](https://millionrounds.com/company/sierra-space) Sierra Space is a commercial aerospace and defense technology company based in Louisville, Colorado. *Founded* 2021 Louisville, United States **$550M** last round Mar 2026 - 25 [**Axiom Space** Axiom Space, Inc.](https://millionrounds.com/company/axiom-space) Axiom Space, Inc. *Founded* 2016 Houston, United States **$525M** last round Jun 2026 - 26 [**Xona** Xona (EMPRENDIMIENTOS AEREOS S.R.L.) is an Argentine marketing agency located in La Lucila, Buenos Aires.](https://millionrounds.com/company/xona) Xona (EMPRENDIMIENTOS AEREOS S.R.L.) is an Argentine marketing agency located in La Lucila, Buenos Aires. *Founded* 2000 Acassuso, United States **$512M** last round Oct 2026 - 27 [**Northwood Space** Northwood Space is a hardware solution that expands the orbits and frequency ranges available from the ground for satellite communication.](https://millionrounds.com/company/northwood-space) Northwood Space is a hardware solution that expands the orbits and frequency ranges available from the ground for satellite communication. *Founded* 2023 Los Angeles, United States **$505M** last round Nov 2026 - 28 [**Skyryse** Skyryse is a private American aviation hardware and software company founded in 2016 and based in El Segundo, California.](https://millionrounds.com/company/skyryse) Skyryse is a private American aviation hardware and software company founded in 2016 and based in El Segundo, California. *Founded* 2016 Los Angeles, United States **$492M** last round Feb 2026 - 29 [**Varda Space Industries** Varda Space Industries is a private American company based in El Segundo, California, focused on space manufacturing.](https://millionrounds.com/company/varda-space-industries) Varda Space Industries is a private American company based in El Segundo, California, focused on space manufacturing. *Founded* 2021 El Segundo, United States **$438M** last round Oct 2026 - 30 [**Starcloud** Starcloud, Inc.](https://millionrounds.com/company/starcloud) Starcloud, Inc. *Founded* 2024 Redmond, United States **$430M** last round Aug 2026 - 31 [**Aquila Air Capital** Aquila Air Capital specializes in providing financial assistance to aviation companies along with purchase and leasing of aircraft equipment](https://millionrounds.com/company/aquila-air-capital) Aquila Air Capital specializes in providing financial assistance to aviation companies along with purchase and leasing of aircraft equipment *Founded* 2021 New York, United States **$400M** last round Jun 2026 - 32 [**HawkEye 360** HawkEye 360 is a data analytics company that develops space-based radio frequency mapping.](https://millionrounds.com/company/hawkeye-360) HawkEye 360 is a data analytics company that develops space-based radio frequency mapping. *Founded* 2015 Herndon, United States **$379M** last round May 2026 - 33 [**Amca** Amca, or the Advanced Manufacturing Company of America, is a leading aerospace and defense manufacturing firm based in El Segundo, California.](https://millionrounds.com/company/amca) Amca, or the Advanced Manufacturing Company of America, is a leading aerospace and defense manufacturing firm based in El Segundo, California. *Founded* 2024 El Segundo, United States **$377M** last round May 2026 - 34 [**Sky Harbour** Sky Harbour is an aviation infrastructure development company building the network of Home-Basing Solutions for business aircraft.](https://millionrounds.com/company/sky-harbour) Sky Harbour is an aviation infrastructure development company building the network of Home-Basing Solutions for business aircraft. *Founded* 2017 White Plains, United States **$350M** last round Jan 2026 - 35 [**Bridger Aerospace** Bridger Aerospace is an industry leader in aerial wildfire management, relief, and suppression, delivering powerful firefighting services.](https://millionrounds.com/company/bridger-aerospace) Bridger Aerospace is an industry leader in aerial wildfire management, relief, and suppression, delivering powerful firefighting services. *Founded* 2015 Bozeman, United States **$332M** last round Oct 2025 - 36 [**Neros Technologies** Neros Technologies is a private defense technology company founded in 2023 and based in El Segundo, California.](https://millionrounds.com/company/neros-technologies) Neros Technologies is a private defense technology company founded in 2023 and based in El Segundo, California. *Founded* 2023 Los Angeles, United States **$325M** last round Aug 2026 - 37 [**Sophia Space** Sophia Space Inc.](https://millionrounds.com/company/sophia-space) Sophia Space Inc. *Founded* 2025 Pasadena, United States **$310M** last round Sept 2026 - 38 [**Muon Space** Muon Space is an American aerospace startup founded in 2021, based in Mountain View, California.](https://millionrounds.com/company/muon-space) Muon Space is an American aerospace startup founded in 2021, based in Mountain View, California. *Founded* 2021 Mountain View, United States **$295M** last round Aug 2026 - 39 [**Divergent Technologies** Divergent Technologies is an IT company that provides web development, ERP, software, mobile apps, graphic design, and network services.](https://millionrounds.com/company/divergent-technologies) Divergent Technologies is an IT company that provides web development, ERP, software, mobile apps, graphic design, and network services. *Founded* 2016 United States **$290M** last round Sept 2025 - 40 [**Cowboy Space Corporation** Cowboy Space Corporation is a space infrastructure company dedicated to building orbital data centers for artificial intelligence.](https://millionrounds.com/company/cowboy-space-corporation) Cowboy Space Corporation is a space infrastructure company dedicated to building orbital data centers for artificial intelligence. *Founded* 2023 San Carlos, United States **$275M** last round May 2026 - 41 [**Reliable Robotics**](https://millionrounds.com/company/reliable-robotics) *Founded* - United States **$275M** last round Oct 2026 - 42 [**Hubble Network** Hubble Network is a Seattle-based space technology and telecommunications company founded in 2021.](https://millionrounds.com/company/hubble-network) Hubble Network is a Seattle-based space technology and telecommunications company founded in 2021. *Founded* 2021 Seattle, United States **$270M** last round Sept 2026 - 43 [**Overmatch Ventures**](https://millionrounds.com/company/overmatch-ventures) *Founded* - United States **$250M** last round Mar 2026 - 44 [**Epirus**](https://millionrounds.com/company/epirus) *Founded* - United States **$250M** last round Oct 2025 - 45 [**REGENT Craft**](https://millionrounds.com/company/regent-craft) *Founded* 2020 United States **$240M** last round Aug 2026 - 46 [**GA Telesis** GA Telesis a world-leading commercial aviation company.](https://millionrounds.com/company/ga-telesis) GA Telesis a world-leading commercial aviation company. *Founded* 2002 San Jose, United States **$225M** last round Jun 2017 - 47 [**Rocket Lab**](https://millionrounds.com/company/rocket-lab) *Founded* - United States **$215M** last round Nov 2018 - 48 [**Tomorrow.io** Tomorrow.io is a weather intelligence platform that provides real-time weather forecasts.](https://millionrounds.com/company/tomorrow-io) Tomorrow.io is a weather intelligence platform that provides real-time weather forecasts. *Founded* 2016 Boston, United States **$210M** last round May 2026 - 49 [**LeoLabs** LeoLabs is an aerospace company that supplies and provides low Earth orbit mapping and space situational awareness services.](https://millionrounds.com/company/leolabs) LeoLabs is an aerospace company that supplies and provides low Earth orbit mapping and space situational awareness services. *Founded* 2016 Menlo Park, United States **$196M** last round Nov 2026 - 50 [**Spire** We are a gas company serving 1.7 million customers in Missouri, Alabama, and Mississippi, providing natural gas to powers their homes and businesses.](https://millionrounds.com/company/spire) We are a gas company serving 1.7 million customers in Missouri, Alabama, and Mississippi, providing natural gas to powers their homes and businesses. *Founded* - United States **$190M** last round Sept 2019 **Total funding** how the list is ranked **15 November 2026** updated nightly **Rounds we track** source: Millionrounds Companies whose funding rounds we classed as this sector, ranked by the total they have raised in rounds we hold. Nobody pays to be on a list. ## Who backed them? Open any company for its rounds and investors, or search the investors who back space startups in the United States in the app, with filters, lists and exports. [Find their investors](https://millionrounds.com/login?join=1&next=/app/investors)[All top lists](https://millionrounds.com/top-lists) ## More space lists [See all](https://millionrounds.com/top-lists?t=Space) [*O* *I* *AH* **Space startups in Europe** 249 companies · $18B](https://millionrounds.com/top-lists/space-startups-europe) ## More lists for United States [See all](https://millionrounds.com/top-lists?r=United%20States) [*O* *A* *X* **Startups in the United States** 42,176 companies · $870B](https://millionrounds.com/top-lists/startups-united-states)[*GV* *V* *RP* **Health startups in the United States** 7,411 companies · $71B](https://millionrounds.com/top-lists/health-startups-united-states)[*O* *A* *X* **AI startups in the United States** 5,656 companies · $718B](https://millionrounds.com/top-lists/ai-startups-united-states)[*V* *RP* *DH* **Healthcare startups in the United States** 4,148 companies · $51B](https://millionrounds.com/top-lists/healthcare-startups-united-states)[*S* *P* *I* **IT Services startups in the United States** 3,482 companies · $27B](https://millionrounds.com/top-lists/it-services-startups-united-states)[*D* *CE* *AD* **Big Data & Analytics startups in the United States** 2,107 companies · $132B](https://millionrounds.com/top-lists/big-data-startups-united-states)[*O* *A* *W* **AI startups in the United States that raised in 2026** 1,648 companies · $431B in 2026](https://millionrounds.com/top-lists/ai-startups-united-states-raised-2026)[*D* *P* *A* **Software startups in the United States** 1,638 companies · $77B](https://millionrounds.com/top-lists/software-startups-united-states)