Active companies
Companies their accelerator lists as active, or whose site is alive. 17,199 companies.
clusterConsumer 1,789B2B SaaS 1,712Fintech 1,483Healthcare and bio 1,425Vertical AI agents 1,409Robotics and physical world 1,248Commerce and marketplaces 1,098Climate and energy 799Other 615Developer tools 552Agent infrastructure 440Security and compliance 402Data for AI 381AI infra and compute 295Horizontal AI assistants 244Defense and space 221
| Company | Cluster | Program | Status | Last signal |
|---|---|---|---|---|
| EARTH AIAI Predictive Explorer and Driller for Critical Metal Deposits | Climate and energyAI exploration for critical minerals | Y CombinatorS19 | Active | checked 2026-08-23 |
| Kitekraft Building flying wind turbines. | Climate and energyairborne wind energy systems | Y CombinatorS19 | Site unreachable | checked 2026-08-23 |
| Wren Wren is a monthly subscription to offset your carbon footprint. | Climate and energyPersonal carbon offsetting subscription | Y CombinatorS19 | Active | checked 2026-08-23 |
| AmpUp We make EV charging as simple and reliable as LED lights | Climate and energyEV charging infrastructure | Y CombinatorW19 | Active | checked 2026-08-23 |
| Intelline Intelline makes the world's most efficient fuel agnostic engines for… | Climate and energyfuel-agnostic industrial power generation | Y CombinatorW19 | Active | checked 2026-08-24 |
| Maple Materials We turn CO2 into battery-grade graphite and oxygen. | Climate and energyCarbon-negative graphite production | Y CombinatorW19 | Inactive | checked 2026-08-17 |
| Prometheus We use solar and wind power to make zero net carbon electrofuels | Climate and energysynthetic electrofuels from renewable energy | Y CombinatorW19 | Active, new domain | 2026-08-23 |
| Valo Cutting edge hydrofoil systems for boatbuilders | Climate and energyMaritime efficiency technology | Y CombinatorW19 | Active | 2026-08-23 |