Active companies
Companies their accelerator lists as active, or whose site is alive. 17,199 companies.
| Company | Cluster | Program | Status | Last signal |
|---|---|---|---|---|
| SINAI Enterprise software to quantify cost-effective decarbonization… | Climate and energycarbon emissions management software | Y CombinatorW20 | Active | checked 2026-08-23 |
| Applied Particle Technology The Dust Management Platform For Mining and Heavy Industry | APT | Climate and energydust monitoring and air quality | TechstarsTS 2020 | Active | checked 2026-08-23 |
| Ashipa Electric Ashipa Electric - Home | Climate and energyresidential solar and renewable energy | TechstarsTS 2020 | Active | checked 2026-08-23 |
| Cobalt Water Global Cobalt Water Global – ClimateTech For Decarbonizing The Water Industry | Climate and energywater industry decarbonization | TechstarsTS 2020 | Active | checked 2026-08-23 |
| EnergyHawkAI EnergyHawk | Climate and energyAI energy optimization | TechstarsTS 2020 | Active | checked 2026-08-23 |
| geoFluxus geoFluxus | Waste Data Automation for CSRD & Compliance | Climate and energyWaste data automation and compliance | TechstarsTS 2020 | Active | checked 2026-08-23 |
| Hydro Wind Energy Hydro Wind Energy — Clean power. Grid-scale storage. Fresh water. | Climate and energygrid-scale hydro storage with freshwater | TechstarsTS 2020 | Active | checked 2026-08-23 |
| Lunasonde Lunasonde | Climate and energylunar technology and space resources | TechstarsTS 2020 | Active | checked 2026-08-23 |
| Mushroom Material Mushroom Material | Sustainable Packaging | Climate and energysustainable packaging materials | TechstarsTS 2020 | Active | checked 2026-08-23 |
| OXON Technologies The Future of Fuel | OXON™ | Climate and energyemissions reduction fuel technology | TechstarsTS 2020 | Active | checked 2026-08-23 |
| Phoenix Tailings Phoenix Tailings | The Future of Rare Earth Refining in America | Climate and energyRare earth refining and processing | TechstarsTS 2020 | Active | checked 2026-08-23 |
| Pretred Pretred | Rubber Safety Barriers | Climate and energyTire recycling infrastructure | TechstarsTS 2020 | Active | checked 2026-08-23 |
| Project Canary Methane Detection, Leak Survey & Emissions Reporting Software | Project Canary | Climate and energyMethane emissions monitoring and reporting | TechstarsTS 2020 | Active | checked 2026-08-23 |
| WeavAirAI WeavAir – Proactive Air Insights | Climate and energyAir quality monitoring and insights | TechstarsTS 2020 | Active | checked 2026-08-23 |
| Hydroleap Developer of wastewater treatment technology designed to replace expensive chemical treatments with a smart electrical treatment for wastewater. The company's technology focuses on the treatment of high-suspended solid, high oil, and heavy metal-contaminated wastewater, enabling clients to receive water recycling services using electrical and membrane treatment systems. | Climate and energywastewater treatment technology | 500 Global | Active | checked 2026-08-23 |
| Volt14 Operator of an anode manufacturing company intended to develop ultra-high performance materials for Li-ion batteries. The company's products are built using a wet chemistry approach and mainly include lithium anodes which can be used in any Li-ion battery for 3C applications, automobiles and systems, or defense and space, enabling energy industry manufacturers to use their existing product line of applications with these alternative battery anodes, without any manufacturing bottlenecks. | Climate and energyLi-ion battery anode materials | 500 Global | Active | checked 2026-08-23 |
| Seppure Developer of a nano-filtration technology designed to revolutionize chemical separation and purification in multiple industries. The company's technology provides a sustainable package for industrial chemical separations by replacing the current distillation process with chemical-resistant nano-filtration membranes, enabling clients to lower global energy use, emissions, and pollution substantially. | Climate and energyIndustrial filtration and separation technology | 500 Global | Active | checked 2026-08-23 |
| Rovilus Developer of battery technologies designed to accelerate the adoption of clean energy. The company's technologies develop products that use thermal management technology to provide batteries made of fire-suppression material and have an extended lifetime, enabling companies to increase their operational efficiency and reduce their total cost of operation. | Climate and energyAdvanced battery materials | 500 Global500G GA 25 | Site unreachable | checked 2026-08-17 |
| 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 |
| 2NDNATURE 2NDNATURE | Stormwater Management SoftwareMS4 Compliance & Corporate Water Stewardship Software | 2NDNATURE | Climate and energystormwater compliance software | TechstarsTS 2019 | Active | checked 2026-08-23 |
| Alkemy Environmental Alkemy Environmental | Climate and energywaste-to-materials conversion | TechstarsTS 2019 | Active | checked 2026-08-23 |
| Ambee | Climate and energyclimate data and analytics platform | TechstarsTS 2019 | Active | checked 2026-08-23 |
| Ateios Ateios Systems | Building More Batteries for Less | Climate and energyAdvanced battery manufacturing | TechstarsTS 2019 | Active | checked 2026-08-23 |
| Blaise Transit Blaise Transit | Climate and energyUrban transit optimization platform | TechstarsTS 2019 | Active | checked 2026-08-23 |
| CAALA CAALA | Unlocking Sustainability | Climate and energyReal estate carbon accounting software | TechstarsTS 2019 | Active | checked 2026-08-23 |
| Craste Home | Craste | Climate and energycleantech innovation platform | TechstarsTS 2019 | Active | checked 2026-08-23 |
| Dynamic Green Products Bio-based Lubricants Built to Outperform Petroleum | DGP | Climate and energybio-based industrial lubricants | TechstarsTS 2019 | Active | checked 2026-08-23 |
| Element 16 Technologies Element 16 Technologies | Climate and energycleantech energy hardware | TechstarsTS 2019 | Active | checked 2026-08-23 |
| HydrosatAI Hydrosat - Home Page | Climate and energysatellite water monitoring | TechstarsTS 2019 | Active | checked 2026-08-23 |
| MITO Material Solutions Home | MITO Materials | Climate and energyadvanced materials manufacturing | TechstarsTS 2019 | Active | checked 2026-08-23 |
| ReelData AIAI ReelData: Artificial Intelligence for Land-Based Aquaculture | Climate and energyAI monitoring for aquaculture | TechstarsTS 2019 | Active | checked 2026-08-23 |
| Regen Network Regen Network empowers communities to coordinate, fund, and verify regenerative action at scale. | Climate and energyRegenerative agriculture blockchain coordination | TechstarsTS 2019 | Active | checked 2026-08-23 |
| Salient Energy Home - Salient Energy | Climate and energyZinc-ion battery technology for clean energy | TechstarsTS 2019 | Active | checked 2026-08-23 |
| SeeO2 Energy Home - SeeO2 Energy | Climate and energyCO2 to fuel conversion platform | TechstarsTS 2019 | Active | checked 2026-08-23 |
| SOLS Energy Provider of solar energy products and services intended to promote the use of green energy. The company offers grid-tied, off-grid, and hybrid solar thermal and water pump systems that facilitate reducing carbon dioxide emissions, enabling customers to get cost-effective access to clean energy. | Climate and energySolar energy systems and services | 500 Global | Active | checked 2026-08-23 |
| C16 Biosciences Next-gen ingredients to decarbonize consumer products, starting w/… | Climate and energysustainable ingredient manufacturing | Y CombinatorS18 | Active | checked 2026-08-23 |
| The Good Food Institute Building a world where alternative proteins are no longer alternative. | Climate and energyalternative protein innovation | Y CombinatorS18 | Active | checked 2026-08-23 |
| Conservation Labs Smart Water Monitor – H2know by Conservation Labs | Climate and energySmart water monitoring and conservation | TechstarsTS 2018 | Active | checked 2026-08-23 |
| FlyWireAI FlyWire Cameras - Seafood traceability on the water | Climate and energyseafood sustainability traceability | TechstarsTS 2018 | Active | checked 2026-08-23 |
| Goodr Goodr | Feed More, Waste Less | Climate and energyFood waste reduction platform | TechstarsTS 2018 | Active | checked 2026-08-23 |
| graphenest.com Home | Graphenest | Climate and energysustainable graphene shielding materials | TechstarsTS 2018 | Active | checked 2026-08-23 |
| Green Eye TechnologyAI Greeneye Technology™ - Turn Every Sprayer to a Smart Machine | Climate and energyAI-powered agricultural chemical reduction | TechstarsTS 2018 | Active | checked 2026-08-23 |
| Lotic Labs Lotic Labs | Climate and energyWeather risk modeling and financial protection | TechstarsTS 2018 | Active | checked 2026-08-23 |
| MADA AnalyticsAI Site is undergoing maintenance | Climate and energyclean energy analytics platform | TechstarsTS 2018 | Active | checked 2026-08-23 |
| Renewal Mill Renewal Mill - Bake a better future. | Climate and energysustainable food production | TechstarsTS 2018 | Active | checked 2026-08-23 |
| SparkCharge SparkCharge | High-Power Energy Network, On-Site Power in Days | Climate and energyrapid-deploy battery energy storage | TechstarsTS 2018 | Active | checked 2026-08-23 |
| Wattmore WATTMORE | Battery Controls, EMS & Power Plant Controller Software | Climate and energybattery and microgrid management software | TechstarsTS 2018 | Active | checked 2026-08-23 |
| Advano Advano is a battery technology company that improve the longevity of… | Climate and energybattery technology for renewable energy | Y CombinatorS17 | Site unreachable | checked 2026-08-23 |
| Airthium Decarbonized heat and power cheaper than fossil fuels | Climate and energyindustrial heat decarbonization | Y CombinatorS17 | Active | checked 2026-08-23 |
| 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 |
| Solactron Operator of a solar technology company intended to deliver improved thin film solar modules for the multi-trillion dollar electricity generation market. The company's technology develops thin-film solar photovoltaic panels using the CIGS material system and delivers monolithically integrated solar modules on glass substrates with improved efficiency and reasonable cost at a gigawatt scale, enabling clients to use green energy and keep the environment clean around them. | Climate and energythin-film solar manufacturing | 500 Global | Active | checked 2026-08-23 |
| Evreka Developer of a software-based smart waste collection system designed to make the environment clean. The company's system collects waste through wireless sensors, which can measure how full a garbage bin is and instantaneously send the information to the cloud using M2M technology, enabling clients to reduce garbage collection costs. | Climate and energysmart waste collection optimization | 500 Global | Active | checked 2026-08-23 |
| Solugen Decarbonizing the chemicals industry. | Climate and energySustainable chemistry and biotech manufacturing | Y CombinatorW17 | Active | checked 2026-08-23 |
| EcoG EcoG - Home | Climate and energyEV charging infrastructure | TechstarsTS 2017 | Active | checked 2026-08-23 |
| KITROAI AI Food Waste Solution for Smart Kitchens | KITRO | Climate and energyAI food waste reduction for restaurants | TechstarsTS 2017 | Active | checked 2026-08-23 |
| LevelTen Energy LevelTen Energy | Climate and energyRenewable energy transaction marketplace | TechstarsTS 2017 | Active | checked 2026-08-23 |
| OffGridBox OffGridBox - Affordable Clean Water and Renewable Energy in Remote Areas | Climate and energyoff-grid solar water purification systems | TechstarsTS 2017 | Active | checked 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 |
| 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 |
| Afineur AFINEUR | Climate and energyclimate tech platform | TechstarsTS 2016 | Active | checked 2026-08-23 |
| Mast Reforestation Restoration for Resilience | Climate and energywildfire reforestation carbon credits | TechstarsTS 2016 | Active | checked 2026-08-23 |
| Current Developer of an EV charging platform intended to offer an open marketplace for electric vehicle charging. The company platform works as a facilitator in e-mobility and smart grid ecosystems and is a solution for operations, management, energy optimization, and payment for operators of EV chargers, enabling charge point operators to establish EV charging operations that scale fast and efficiently. | Climate and energyEV charging network platform | 500 Global500G GA 13 | Active | checked 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 |
| RhythmosAI Developer of an algorithmic system intended to optimize the entire electric mobility ecosystem. The company's algorithmic optimization system (AOS) platform uses advanced machine learning and data analytics to optimize grid performance, considering fleet owner operational requirements, existing utility tariffs and rates, electric utility infrastructure capacity and grid constraints, wholesale energy market pricing, and more, enabling clients the transition to a decarbonized power grid based on distributed energy resources as primary service providers. | Climate and energyEV grid optimization platform | 500 Global500G GA 12 | 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 |
| Pilot Pilot | NYC's Modern Fiber Infrastructure | Climate and energyUrban fiber infrastructure | TechstarsTS 2015 | Active | checked 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 |
| 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 |
| Bitfinder Air Quality Monitor | Know What You Breathe | Awair | Climate and energyindoor air quality monitoring | TechstarsTS 2014 | Active | checked 2026-08-23 |
| 3DOM Create a bountiful future in harmony with nature through digital intelligence and electrification technologies | Climate and energyAdvanced battery technology and energy solutions | Plug and Play | Active | checked 2026-08-23 |
| A.L.I. Technologies A.L.I. Technologies focuses on research and development of UAV (unmanned miniature aircraft). | Climate and energycarbon accounting and offsetting | Plug and Play | Active | checked 2026-08-23 |
| ABAzyne ABAzyne is a Canadian agriculture bioscience company that develops leading patented synthetic Abscisic Acid (ABA).analogs for plant growth regulation applications. | Climate and energyagricultural biotech for crop resilience | Plug and Play | Active | checked 2026-08-23 |
| about:energy About:Energy provides the tools that enable electrification | Climate and energybattery testing and modeling | Plug and Play | Active, new domain | 2026-08-23 |
| ADAPT Lead the empowerment of organizations to achieve their transportation-related sustainability and business goals. | Climate and energytransportation decarbonization platform | Plug and Play | Site unreachable | checked 2026-08-17 |
| Adept materials Climate-regulating materials for sustainable buildings | Climate and energysustainable building materials | Plug and Play | Active | checked 2026-08-23 |
| AerovyAI Orchestrating world's energy to unlock its full potential. | Climate and energyAI energy management for airports and EV fleets | Plug and Play | Active | checked 2026-08-23 |
| Agarea Agarea is bringing the most transparency and automation to financial risk protection by empowering data produced at the farm level. | Climate and energyAgricultural risk and financing | Plug and Play | Active | checked 2026-08-25 |
| Ai Heart Japan As a life-sustaining initiative, we are promoting Atmospheric Water Generators (AWGs) that produce water from air. | Climate and energyatmospheric water generation technology | Plug and Play | Active | checked 2026-08-23 |
| Air Protein We are on a mission to feed the world with healthy, delicious foods made from the most sustainable source of protein. | Climate and energysustainable food protein production | Plug and Play | Inactive | checked 2026-08-17 |
| AIR WATER FZCO AWA is the technology that guarantees big quantities of safe drinking water, in each corner of our planet. | Climate and energyatmospheric water generation technology | Plug and Play | Active | checked 2026-08-23 |
| AirMyne AirMyne pioneers scalable, safe, and cost-effective direct air capture (DAC) technology using low-temperature liquid solvent processes for permanent carbon sequestration. | Climate and energydirect air capture technology | Plug and Play | Active | checked 2026-08-23 |
| Albatross Technology Starting with floating offshore wind turbines, we are working on the practical application of tidal/ocean current turbines and wave turbines. The concept common to all of these is the reduction of equipment costs (CAPEX) and maintenance costs (OPEX) through a simple structure that reduces struct... | Climate and energyoffshore renewable energy turbines | Plug and Play | Active | checked 2026-08-23 |
| Algal Bio Algal Bio provides algae bio-foundry platform to develop novel products and solutions in health, wellness, food, carbon neutral, bioplastic etc. | Climate and energyAlgae biotech for food and carbon | Plug and Play | Active | checked 2026-08-23 |
| ambienttechnologies Decentralized sensor network | Climate and energyDecentralized IoT sensor infrastructure | Plug and Play | Active | checked 2026-08-23 |
| Amica Terra AmicaTerra is a supplier of biomass products and services. | Climate and energybiodegradable materials for sustainability | Plug and Play | Active | checked 2026-08-25 |
| Ammobia Fueling decarbonization by revolutionizing green ammonia production | Climate and energygreen ammonia production | Plug and Play | Active | checked 2026-08-23 |
| Ammon Fields Ammon Fields develops catalysts intended to lower the generation pressure and temperature of ammonia. | Climate and energygreen ammonia catalysts | Plug and Play | Active | checked 2026-08-23 |
| Anodyne Chemistries Anodyne is a carbon utilization company, transforming CO2 into carbon negative products for a climate positive future. | Climate and energyCO2 utilization and sustainable chemicals | Plug and Play | Active | checked 2026-08-23 |
| AquosmicAI We transform and facilitate the way of accessing the information on the quality of water in the world. | Climate and energywater quality monitoring via Earth observation | Plug and Play | Active | 2026-08-23 |