Cohorts of 2017
Companies whose accelerator cohort started in 2017. 893 companies.
clusterConsumer 131B2B SaaS 86Fintech 72Commerce and marketplaces 72Healthcare and bio 67Robotics and physical world 54Vertical AI agents 27Security and compliance 23Developer tools 22Other 18Climate and energy 18Data for AI 17AI infra and compute 10Horizontal AI assistants 6Defense and space 5Agent infrastructure 3
| Company | Cluster | Program | Status | Last signal |
|---|---|---|---|---|
| Advano Advano is a battery technology company that improve the longevity of… | Climate and energybattery technology for renewable energy | Y CombinatorS17 | Site unreachable | checked 2026-08-23 |
| Airthium Decarbonized heat and power cheaper than fossil fuels | Climate and energyindustrial heat decarbonization | Y CombinatorS17 | Active | checked 2026-08-23 |
| Modular Science We're making it easier to do sustainable farming. | Climate and energysustainable agriculture technology | Y CombinatorS17 | Inactive | checked 2026-08-17 |
| Releaf Earth Turning food waste into Biochar to remove CO2 from the atmsophere | Climate and energybiochar carbon removal from waste | Y CombinatorS17 | Active, new domain | 2026-08-23 |
| Sunfolding Sunfolding builds next generation infrastructure for solar farms. By… | Climate and energysolar tracking hardware infrastructure | Y CombinatorS17 | Inactive | 2026-08-23 |
| WATERFX The world's first 100% sustainable water provider (aka alternative… | Climate and energysolar-powered desalination infrastructure | Y CombinatorS17 | Inactive | checked 2026-08-23 |
| Solugen Decarbonizing the chemicals industry. | Climate and energySustainable chemistry and biotech manufacturing | Y CombinatorW17 | Active | checked 2026-08-23 |