Y Combinator companies
The Y Combinator portfolio as the radar sees it: synced daily, classified into clusters, checked for life and movement. 6,197 companies.
| Company | Cluster | Program | Status | Last signal |
|---|---|---|---|---|
| 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 |
| GTRACK Technologies Nanoparticle tracers for reservoir characterization during hydraulic… | Climate and energyReservoir characterization nanoparticles | Y CombinatorS16 | Inactive | 2026-08-23 |
| Raptor Maps Raptor Maps builds software to manage the solar PV lifecycle. | Climate and energySolar asset management software | Y CombinatorS16 | Active | checked 2026-08-23 |
| Validere A carbon MRV solution for energy and hard-to-abate sectors | Climate and energyCarbon MRV for energy | Y CombinatorS16 | Active | checked 2026-08-23 |
| Georgette Packaging Carbon neutral packaging for ambitious businesses. | Climate and energysustainable packaging manufacturing | Y CombinatorW16 | Inactive | checked 2026-08-24 |
| Lygos Lygos engineers yeast to convert sugar into high-value industrial… | Climate and energysynthetic biology for industrial chemicals | Y CombinatorW16 | Inactive | checked 2026-08-17 |
| Sanitation and Health Rights in India (SHRI) | Climate and energyBiogas from waste for water purification | Y CombinatorW16 | Active | checked 2026-08-24 |
| Nebia Nebia is a breakthrough shower system, based on a premium experience,… | Climate and energywater-efficient home hardware | Y CombinatorS15 | Acquired | 2026-08-23 |
| Oolu Oolu is one of the fastest growing off-grid solar firms in West Africa | Climate and energyoff-grid solar distribution Africa | Y CombinatorS15 | Acquired | 2026-08-23 |
| Reach Long range, wireless energy distribution that scales | Climate and energywireless power distribution networks | Y CombinatorS15 | Active | checked 2026-08-23 |
| SunFarmer Reliable and affordable solar energy in developing countries. | Climate and energysolar energy for developing markets | Y CombinatorS15 | Active | checked 2026-08-23 |
| Bright Sunrun for the developing world | Climate and energydistributed solar financing platform | Y CombinatorW15 | Active | checked 2026-08-24 |
| Industrial Microbes We design and build microbes to make chemicals greener at lower cost. | Climate and energysynthetic biology for green chemicals | Y CombinatorW15 | Active | checked 2026-08-23 |
| Valor Water Analytics Valor Water Analytics delivers a SaaS platform to utilities to detect… | Climate and energywater utility analytics platform | Y CombinatorW15 | Acquired | 2026-08-23 |
| Helion Energy Building the world's first fusion power plant | Climate and energyfusion power generation | Y CombinatorS14 | Active | checked 2026-08-23 |
| Oklo Emission free, always on power from advanced fission power plants. | Climate and energyAdvanced fission power plants | Y CombinatorS14 | Public company | checked 2026-08-17 |
| GBatteries Enabling li-ion batteries to charge ultra fast without compromising… | Climate and energyfast-charging battery control software | Y CombinatorW14 | Active | checked 2026-08-23 |
| 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 |