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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Related startup lists
AI (50 shared) Hardware and semiconductor (35 shared) Manufacturing and industrial (22 shared) Energy (18 shared) Robotics (18 shared) Climate tech (13 shared)
Figures come only from the record linked in each row; a blank means the record gives none. How these lists are built.
