Inactive companies
Companies marked inactive, or whose site is gone. 1,197 companies.
clusterConsumer 313B2B SaaS 164Commerce and marketplaces 111Developer tools 105Fintech 97Healthcare and bio 85Robotics and physical world 56Vertical AI agents 51Climate and energy 35Data for AI 30Security and compliance 27Horizontal AI assistants 20Agent infrastructure 17Other 16AI infra and compute 14Defense and space 5
| Company | Cluster | Program | Status | Last signal |
|---|---|---|---|---|
| Canopi API to measure and eliminate carbon emissions | Climate and energyCarbon emissions measurement API | Y CombinatorS21 | Inactive | checked 2026-08-17 |
| Heimdal Affordable and verified direct air carbon capture and storage | Climate and energydirect air carbon capture and storage | Y CombinatorS21 | Inactive | checked 2026-08-17 |
| SolarMente Home electrification at $0 upfront cost | Climate and energyresidential solar financing | Y CombinatorS21 | Inactive | checked 2026-08-17 |
| Moxion Power Co. Mobile Energy Storage Technology | Climate and energyMobile energy storage for last-mile electrification | Y CombinatorW21 | Inactive | 2026-08-23 |
| Noya Radically reducing capital costs and build time for direct air capture | Climate and energydirect air capture equipment retrofit | Y CombinatorW21 | Inactive | checked 2026-08-17 |