# Top 50 Defence Tech Startups in the United States by Funding (2026) > The 50 best-funded defence tech startups in the United States, ranked by total funding raised: $37B combined. Source: https://millionrounds.com/top-lists/defence-tech-startups-united-states (Millionrounds; every figure on the page links to its filing or article) - 1 [**Anduril Industries** Anduril Industries is a defense technology company that specializes in developing advanced autonomous systems to enhance national security.](https://millionrounds.com/company/anduril-industries) Anduril Industries is a defense technology company that specializes in developing advanced autonomous systems to enhance national security. *Founded* 2017 Costa Mesa, United States **$7.5B** last round May 2026 - 2 [**Shield AI** Shield AI is an artificial intelligence company that aims to protect service members and civilians with intelligent systems.](https://millionrounds.com/company/shield-ai) Shield AI is an artificial intelligence company that aims to protect service members and civilians with intelligent systems. *Founded* 2015 San Diego, United States **$7.0B** last round Nov 2026 - 3 [**Saronic** Saronic designs and manufactures unmanned surface vehicles for maritime security and domain awareness.](https://millionrounds.com/company/saronic) Saronic designs and manufactures unmanned surface vehicles for maritime security and domain awareness. *Founded* 2022 Austin, United States **$2.4B** last round Apr 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 [**Anduril**](https://millionrounds.com/company/anduril) *Founded* - United States **$1.5B** last round Jul 2026 - 7 [**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 - 8 [**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 - 9 [**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 - 10 [**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 - 11 [**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 - 12 [**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 - 13 [**Chaos**](https://millionrounds.com/company/chaos) *Founded* - United States **$655M** last round Nov 2025 - 14 [**Armada** Armada is a pioneering company that offers a full-stack edge computing platform designed for remote and bandwidth-constrained industrial environments.](https://millionrounds.com/company/armada) Armada is a pioneering company that offers a full-stack edge computing platform designed for remote and bandwidth-constrained industrial environments. *Founded* 2022 San Francisco, United States **$591M** last round Sept 2026 - 15 [**Cadre Holdings** Cadre Holdings manufactures and distributes safety and protective equipment for law enforcement, military, and first responders.](https://millionrounds.com/company/cadre-holdings) Cadre Holdings manufactures and distributes safety and protective equipment for law enforcement, military, and first responders. *Founded* 2012 Jacksonville, United States **$590M** last round Dec 2024 - 16 [**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 - 17 [**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 - 18 [**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 - 19 [**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 - 20 [**Forterra** Forterra is a manufacturer of pipe and precast products for facilities that builds and maintains sustainable infrastructures.](https://millionrounds.com/company/forterra) Forterra is a manufacturer of pipe and precast products for facilities that builds and maintains sustainable infrastructures. *Founded* 2016 United States **$426M** last round Nov 2025 - 21 [**Nominal**](https://millionrounds.com/company/nominal) *Founded* - United States **$411M** last round Nov 2026 - 22 [**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 - 23 [**Skydio** Skydio is a leading U.S.](https://millionrounds.com/company/skydio) Skydio is a leading U.S. *Founded* 2014 San Mateo, United States **$350M** last round Apr 2026 - 24 [**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 - 25 [**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 - 26 [**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 - 27 [**Chaos Industries** Chaos Industries is a Mexican videogame startup.](https://millionrounds.com/company/chaos-industries) Chaos Industries is a Mexican videogame startup. *Founded* - Carmichael, United States **$275M** last round May 2025 - 28 [**Overmatch Ventures**](https://millionrounds.com/company/overmatch-ventures) *Founded* - United States **$250M** last round Mar 2026 - 29 [**Epirus**](https://millionrounds.com/company/epirus) *Founded* - United States **$250M** last round Oct 2025 - 30 [**REGENT Craft**](https://millionrounds.com/company/regent-craft) *Founded* 2020 United States **$240M** last round Aug 2026 - 31 [**Allen Control Systems** Allen Control Systems (ACS) is a defense technology company based in Austin, Texas, founded in 2022.](https://millionrounds.com/company/allen-control-systems) Allen Control Systems (ACS) is a defense technology company based in Austin, Texas, founded in 2022. *Founded* 2022 Austin, United States **$230M** last round Jun 2026 - 32 [**Ocient** Ocient is a data analytics software solutions company based in Chicago, Illinois, founded in 2016.](https://millionrounds.com/company/ocient) Ocient is a data analytics software solutions company based in Chicago, Illinois, founded in 2016. *Founded* 2016 Chicago, United States **$200M** last round Nov 2026 - 33 [**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 - 34 [**Quartermaster** Quartermaster is a maritime technology company focused on enhancing real-time maritime domain awareness.](https://millionrounds.com/company/quartermaster) Quartermaster is a maritime technology company focused on enhancing real-time maritime domain awareness. *Founded* 2023 Arlington, United States **$183M** last round Sept 2026 - 35 [**Airbase** Airbase is a technology company dedicated to enhancing the wireless future through modern radio frequency (RF) spectrum coordination.](https://millionrounds.com/company/airbase) Airbase is a technology company dedicated to enhancing the wireless future through modern radio frequency (RF) spectrum coordination. *Founded* - New York, United States **$162M** last round Mar 2026 - 36 [**Code Metal** Code Metal is a Boston-based AI startup founded in 2023, specializing in software development applications.](https://millionrounds.com/company/code-metal) Code Metal is a Boston-based AI startup founded in 2023, specializing in software development applications. *Founded* 2023 Boston, United States **$161M** last round Feb 2026 - 37 [**Capella Space** Capella Space is an information services company that provides on-demand 24/7 SAR data for government and commercial customers.](https://millionrounds.com/company/capella-space) Capella Space is an information services company that provides on-demand 24/7 SAR data for government and commercial customers. *Founded* 2016 San Francisco, United States **$157M** last round Jan 2023 - 38 [**Firehawk Aerospace** Firehawk Aerospace designs and manufactures rocket motors powered by 3D printed propellant.](https://millionrounds.com/company/firehawk-aerospace) Firehawk Aerospace designs and manufactures rocket motors powered by 3D printed propellant. *Founded* 2020 Addison, United States **$150M** last round Oct 2026 - 39 [**Twenty** Twenty is a development company.](https://millionrounds.com/company/twenty) Twenty is a development company. *Founded* 1994 Dallas, United States **$144M** last round Jun 2026 - 40 [**Defense Unicorns** Defense Unicorns is a veteran-owned defense technology company founded in 2021, with roots tracing back to late 2020.](https://millionrounds.com/company/defense-unicorns) Defense Unicorns is a veteran-owned defense technology company founded in 2021, with roots tracing back to late 2020. *Founded* 2021 Colorado Springs, United States **$136M** last round Jan 2026 - 41 [**Turion Space** Turion Space is an aerospace and defense company based in Irvine, California, founded in 2021 by a team from SpaceX.](https://millionrounds.com/company/turion-space) Turion Space is an aerospace and defense company based in Irvine, California, founded in 2021 by a team from SpaceX. *Founded* 2021 Irvine, United States **$115M** last round Apr 2026 - 42 [**Performance Drone Works (PDW)**](https://millionrounds.com/company/performance-drone-works-pdw) *Founded* - United States **$110M** last round Mar 2026 - 43 [**Cambium** Cambium is an advanced materials company based in California, specializing in high-performance materials for defense, aerospace, and dual-use applications.](https://millionrounds.com/company/cambium) Cambium is an advanced materials company based in California, specializing in high-performance materials for defense, aerospace, and dual-use applications. *Founded* 2019 El Segundo, United States **$100M** last round Jan 2025 - 44 [**Havoc**](https://millionrounds.com/company/havoc) *Founded* - United States **$100M** last round May 2026 - 45 [**Smack Technologies**](https://millionrounds.com/company/smack-technologies) *Founded* - United States **$93M** last round Aug 2026 - 46 [**Venus Aerospace** Venus Aerospace is a Houston-based aerospace startup founded in 2020, focused on developing reusable hypersonic aircraft and advanced rocket engine propulsion.](https://millionrounds.com/company/venus-aerospace) Venus Aerospace is a Houston-based aerospace startup founded in 2020, focused on developing reusable hypersonic aircraft and advanced rocket engine propulsion. *Founded* 2020 Houston, United States **$90M** last round Jul 2026 - 47 [**Firestorm Labs**](https://millionrounds.com/company/firestorm-labs) *Founded* 2022 United States **$87M** last round Apr 2026 - 48 [**Overland AI** Overland AI is a manufacturer and developer of autonomous navigation for off-road autonomous vehicles.](https://millionrounds.com/company/overland-ai) Overland AI is a manufacturer and developer of autonomous navigation for off-road autonomous vehicles. *Founded* 2023 Seattle, United States **$80M** last round Feb 2026 - 49 [**Vatn Systems** Vatn Systems is a technology firm founded in 2023, specializing in the design, development, and manufacturing of autonomous underwater systems for defense applications.](https://millionrounds.com/company/vatn-systems) Vatn Systems is a technology firm founded in 2023, specializing in the design, development, and manufacturing of autonomous underwater systems for defense applications. *Founded* 2023 Bristol, United States **$73M** last round Dec 2025 - 50 [**Hydrosat** Hydrosat is a deep-tech and climate technology company focused on Earth Observation through advanced thermal infrared satellite imagery and AI-powered analytics.](https://millionrounds.com/company/hydrosat) Hydrosat is a deep-tech and climate technology company focused on Earth Observation through advanced thermal infrared satellite imagery and AI-powered analytics. *Founded* 2017 Earth City, United States **$70M** last round Sept 2026 **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 defence tech 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 defence lists [See all](https://millionrounds.com/top-lists?t=Defence) [*AI* *SA* *H* **Defence tech startups worldwide** 199 companies · $49B](https://millionrounds.com/top-lists/defence-tech-startups)[*H* *I* *QS* **Defence tech startups in Europe** 68 companies · $14B](https://millionrounds.com/top-lists/defence-tech-startups-europe)[*U* *T* *CA* **Defence tech startups in the United Kingdom** 26 companies · $3.3B](https://millionrounds.com/top-lists/defence-tech-startups-united-kingdom) ## 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)