Inactive companies
Companies marked inactive, or whose site is gone. 1,197 companies.
| Company | Cluster | Program | Status | Last signal |
|---|---|---|---|---|
| GreenTallyAI Affordable carbon tracking solution for all businesses | Climate and energyAI-powered carbon accounting platform | Y CombinatorS23 | Inactive | checked 2026-08-23 |
| LeafpressAI AI Energy Management | Climate and energyAI utility energy management | Y CombinatorS23 | Inactive | 2026-08-23 |
| Line.Build Incentives and financing for energy efficiency upgrades | Climate and energyenergy efficiency financing for contractors | Y CombinatorS23 | Inactive | checked 2026-08-17 |
| OutSail Technologies Revolutionary, Modern Wing Sails | Climate and energyautonomous wind-powered marine vessels | Y CombinatorW23 | Inactive | checked 2026-08-17 |
| Overflux Streamline EV charger installations for real estate developers | Climate and energyEV charger installation automation | Y CombinatorW23 | Inactive | - |
| Jasmine EnergyAI Claim solar incentives with AI | Climate and energyAI-powered renewable energy paperwork automation | Y CombinatorS22 | Inactive | checked 2026-08-23 |
| Aklimate Software for enterprises to track and reduce supply chain emissions | Climate and energysupply chain emissions tracking | Y CombinatorW22 | Inactive | checked 2026-08-17 |
| Pelm Plaid for utilities | Climate and energyEnergy data aggregation API | Y CombinatorW22 | Inactive | checked 2026-08-24 |
| Phoenix Hydrogen First commodity marketplace for hydrogen. | Climate and energyhydrogen commodity marketplace | Y CombinatorW22 | Inactive | checked 2026-08-17 |
| 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 |
| OneKeyAI Find the most profitable sites to build EV charging station | Climate and energyEV charging site optimization | Y CombinatorS20 | Inactive | 2026-08-23 |
| Green Energy Exchange We deliver affordable renewable energy direct to customers and are… | Climate and energyrenewable energy retail marketplace | Y CombinatorW19 | Inactive | 2026-08-23 |
| Traverse TechnologiesAI AI driven professional engineering firm | Climate and energyAI-powered renewable energy site prospecting | Y CombinatorW19 | Inactive | 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 |
| 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 |
| GTRACK Technologies Nanoparticle tracers for reservoir characterization during hydraulic… | Climate and energyReservoir characterization nanoparticles | Y CombinatorS16 | Inactive | 2026-08-23 |
| Georgette Packaging Carbon neutral packaging for ambitious businesses. | Climate and energysustainable packaging manufacturing | Y CombinatorW16 | Inactive | checked 2026-08-24 |
| Wattvision Sensors and software for energy tracking. Like 'fitbit' for your… | Climate and energyReal-time energy monitoring software | Y CombinatorW09 | Inactive | checked 2026-08-17 |
| CO2Stats Social and environmental web analytics. Acquired in December 2016. | Climate and energywebsite carbon footprint tracking | Y CombinatorS08 | Inactive | checked 2026-08-23 |