Active companies
Companies their accelerator lists as active, or whose site is alive. 17,200 companies.
clusterConsumer 1,779B2B SaaS 1,691Fintech 1,477Healthcare and bio 1,404Vertical AI agents 1,377Robotics and physical world 1,231Commerce and marketplaces 1,090Climate and energy 789Other 612Developer tools 546Agent infrastructure 433Security and compliance 395Data for AI 377AI infra and compute 284Horizontal AI assistants 234Defense and space 216
| Company | Cluster | Program | Status | Last signal |
|---|---|---|---|---|
| Icarus Stratospheric birds for defense | Defense and spaceautonomous stratospheric surveillance aircraft | Y CombinatorF25 | Active | checked 2026-08-23 |
| LakoniaAI Delivering AI-powered situational awareness in tactical environments. | Defense and spaceAI command and control for tactical ops | Y CombinatorF25 | Active | checked 2026-08-23 |
| Null Labs End-to-end Simulation for Defense Autonomy | Defense and spaceautonomous systems simulation | Y CombinatorF25 | Active | checked 2026-08-23 |
| Wardstone The Modular Interceptor Platform | Defense and spaceLow-cost modular air defense interceptors | Y CombinatorF25 | Active, new domain | 2026-08-23 |
| Zephyr Fusion Powering tomorrow's industrial revolution in space | Defense and spacein-orbit fusion power for space industry | Y CombinatorF25 | Active | checked 2026-08-23 |
| Albacore Inc. Drone submarines | Defense and spaceautonomous underwater drone systems | Y CombinatorS25 | Active | checked 2026-08-23 |
| Perseus Defense America's Golden Dome for Drones | Defense and spacecounter-UAS defense systems | Y CombinatorS25 | Active | checked 2026-08-23 |
| Cascade Space Commercial alternative to the Deep Space Network | Defense and spaceCommercial deep space ground stations | Y CombinatorX25 | Active | checked 2026-08-23 |
| Enhanced RadarAI AI for air traffic control | Defense and spaceAI air traffic control systems | Y CombinatorW25 | Active | checked 2026-08-23 |
| Instinct Space Building lunar landers | Defense and spacelunar lander hardware | Y CombinatorW25 | Active | checked 2026-08-23 |
| Orbital Operations High Thrust Space Vehicles for Satellite Defense | Defense and spacesatellite defense vehicles | Y CombinatorW25 | Active | checked 2026-08-23 |
| Reditus Space Reusable Satellites | Defense and spaceReusable orbital platforms | Y CombinatorW25 | Active | checked 2026-08-23 |
| Splash Inc. Autonomous patrol-boats for National Security | Defense and spaceautonomous patrol vessels for national security | Y CombinatorW25 | Active | checked 2026-08-23 |