# Top 50 Aerospace & Space Startups in the United States by Funding (2026)

> The 50 best-funded aerospace & Space startups in the United States, ranked by total funding raised: $83B combined.

Source: https://millionrounds.com/top-lists/aerospace-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 in this sector, ranked by the total they have raised in rounds we hold. Nobody pays to be on a list.

## Who backed them?

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## More aerospace & space lists

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