Cohorts of 2019
Companies whose accelerator cohort started in 2019. 1,218 companies.
clusterConsumer 150B2B SaaS 98Fintech 97Commerce and marketplaces 81Healthcare and bio 71Robotics and physical world 50Climate and energy 43Developer tools 42Vertical AI agents 32Security and compliance 26Data for AI 24Other 18Defense and space 13Horizontal AI assistants 13AI infra and compute 9Agent infrastructure 8
| Company | Cluster | Program | Status | Last signal |
|---|---|---|---|---|
| EPIC AEROSPACE Last-mile delivery for satellites. | Defense and spacesatellite launch and delivery | Y CombinatorS19 | Active | checked 2026-08-23 |
| Lumineye X-ray Vision for First Responders | Defense and spacethrough-wall radar for first responders | Y CombinatorS19 | Inactive | checked 2026-08-17 |
| Ravn Ravn is building a heads-up display for soldiers. | Defense and spacetactical heads-up display for soldiers | Y CombinatorW19 | Active | checked 2026-08-23 |
| SpaceRyde The Rocket Network: Sustainable & On-Demand Delivery Anywhere in Space | Defense and spacesustainable space cargo and logistics | Y CombinatorW19 | Inactive | 2026-08-23 |
| VotingWorks Non-profit building open-source voting machines for US elections. | Defense and spaceElection infrastructure and voting security | Y CombinatorW19 | Active | checked 2026-08-23 |