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 |
|---|---|---|---|---|
| Pippin / Rent the Backyard Autonomous homebuilding factory for the $1.7 trillion housing crisis. | Robotics and physical worldautonomous homebuilding factory | Y CombinatorS19 | Inactive | checked 2026-08-23 |
| Portal Entryways Portal Entryways upgrades disabled-accessible doors so they can be… | Robotics and physical worldAccessible building automation hardware | Y CombinatorW19 | Inactive | checked 2026-08-17 |