MentionFox lists 26 Aerospace and defense companies for 2024. Of them, 16 are Y Combinator companies (the newest batch here is Fall 2024, with 4); 10 won an SBIR or STTR award. The median SBIR or STTR award in the table is $3.5M, across 10 awards.
Other years
All years (291) 2026 (110) 2025 (93) 2021 (18)
Aerospace and defense startups in 2024
| Company | What it does | Date | Amount | Round / stage | Record |
|---|---|---|---|---|---|
| Materials Research & Design Inc | Materials research & design: sbir phase ii proposal number:l2s-0059 proposal title: high-temperature composite nozzle extensions for… | Award starts Dec 23, 2024 | $1.9M | SBIR Phase II | Federal award record |
| Vibrant Corporation | Vibrant corp | Award starts Dec 16, 2024 | $4.1M | SBIR Phase II | Federal award record |
| Perceptronics Solutions, Inc | Topic af201-d002, airborne radio sustainment modernization | Award starts Dec 12, 2024 | $4.9M | SBIR Phase III | Federal award record |
| Nanohmics Inc | /sttr phase ii r&d conformal and compact tri-band antenna | Award starts Nov 7, 2024 | $1.4M | SBIR Phase II | Federal award record |
| Cesiumastro Inc | Radio ranging firmware modifications for starling extended mission | Award starts Oct 22, 2024 | $646,702 | SBIR Phase III | Federal award record |
| Xrdefense, LLC | Topic number topic af151-162,maintenance (mx) data capture | Award starts Oct 4, 2024 | $3M | SBIR Phase III | Federal award record |
| Impulse Space, Inc. | Impulse space sbir phase iii | Award starts Oct 3, 2024 | $28.3M | SBIR Phase III | Federal award record |
| Clarity Innovations LLC | Mission delivery as a service (mdaas) bespin ecosystem sbir iii idiq task order number (ton) 58- mortal mint | Award starts Sep 30, 2024 | $5.7M | SBIR | Federal award record |
| Orbis Sibro Inc | Towed array handling system to 0008 | Award starts Sep 30, 2024 | $290,089 | SBIR Phase III | Federal award record |
| Virtualitics Inc | Machine learning sbir phase iii | Award starts Sep 30, 2024 | $6.5M | SBIR Phase III | Federal award record |
| Apolink | 24/7 satellite connectivity in low Earth orbit | Fall 2024 | Y Combinator batch | Y Combinator listing | |
| Consus | The fastest and cheapest way to use AI with ITAR or CUI data | Fall 2024 | Y Combinator batch | Y Combinator listing | |
| Forerunner AI | AI that gets aircraft flying faster | Fall 2024 | Y Combinator batch | Y Combinator listing | |
| Gander | Automation System for Global Aviation | Fall 2024 | Y Combinator batch | Y Combinator listing | |
| Ares Industries | Building low-cost cruise missiles | Summer 2024 | Y Combinator batch | Y Combinator listing | |
| Entangl | Find & resolve issues in data center engineering & operations using AI | Summer 2024 | Y Combinator batch | Y Combinator listing | |
| Guardian RF | Drone detection for US defense and national security | Summer 2024 | Y Combinator batch | Y Combinator listing | |
| Spaceium Inc | In-Space Refueling | Summer 2024 | Y Combinator batch | Y Combinator listing | |
| Starcloud | Data centers in space | Summer 2024 | Y Combinator batch | Y Combinator listing | |
| Theseus | GPS Denied Navigation for Drones | Summer 2024 | Y Combinator batch | Y Combinator listing | |
| Usul | AI Platform for Winning Defense & Government Contracts | Summer 2024 | Y Combinator batch | Y Combinator listing | |
| Vendra | Custom Parts, Manufactured in America 🇺🇸 | Summer 2024 | Y Combinator batch | Y Combinator listing | |
| Astro Mechanica | Supersonics for the new Jet Age | Winter 2024 | Y Combinator batch | Y Combinator listing | |
| Basalt | Constellations as a Service | Winter 2024 | Y Combinator batch | Y Combinator listing | |
| Elodin | Unified flight software and hardware for the mission of tomorrow | Winter 2024 | Y Combinator batch | Y Combinator listing | |
| Navier AI | Agent-Driven Engineering | Winter 2024 | Y Combinator batch | Y Combinator listing |
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Figures come only from the record linked in each row; a blank means the record gives none. How these lists are built.