Active companies

Companies their accelerator lists as active, or whose site is alive. 17,199 companies.

CompanyClusterProgramStatusLast signal
SINAI

Enterprise software to quantify cost-effective decarbonization…

Climate and energycarbon emissions management softwareY CombinatorW20Activechecked 2026-08-23
Applied Particle Technology

The Dust Management Platform For Mining and Heavy Industry | APT

Climate and energydust monitoring and air qualityTechstarsTS 2020Activechecked 2026-08-23
Ashipa Electric

Ashipa Electric - Home

Climate and energyresidential solar and renewable energyTechstarsTS 2020Activechecked 2026-08-23
Cobalt Water Global

Cobalt Water Global – ClimateTech For Decarbonizing The Water Industry

Climate and energywater industry decarbonizationTechstarsTS 2020Activechecked 2026-08-23
EnergyHawkAI

EnergyHawk

Climate and energyAI energy optimizationTechstarsTS 2020Activechecked 2026-08-23
geoFluxus

geoFluxus | Waste Data Automation for CSRD & Compliance

Climate and energyWaste data automation and complianceTechstarsTS 2020Activechecked 2026-08-23
Hydro Wind Energy

Hydro Wind Energy — Clean power. Grid-scale storage. Fresh water.

Climate and energygrid-scale hydro storage with freshwaterTechstarsTS 2020Activechecked 2026-08-23
Lunasonde

Lunasonde

Climate and energylunar technology and space resourcesTechstarsTS 2020Activechecked 2026-08-23
Mushroom Material

Mushroom Material | Sustainable Packaging

Climate and energysustainable packaging materialsTechstarsTS 2020Activechecked 2026-08-23
OXON Technologies

The Future of Fuel | OXON™

Climate and energyemissions reduction fuel technologyTechstarsTS 2020Activechecked 2026-08-23
Phoenix Tailings

Phoenix Tailings | The Future of Rare Earth Refining in America

Climate and energyRare earth refining and processingTechstarsTS 2020Activechecked 2026-08-23
Pretred

Pretred | Rubber Safety Barriers

Climate and energyTire recycling infrastructureTechstarsTS 2020Activechecked 2026-08-23
Project Canary

Methane Detection, Leak Survey & Emissions Reporting Software | Project Canary

Climate and energyMethane emissions monitoring and reportingTechstarsTS 2020Activechecked 2026-08-23
WeavAirAI

WeavAir – Proactive Air Insights

Climate and energyAir quality monitoring and insightsTechstarsTS 2020Activechecked 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 technology500 GlobalActivechecked 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 materials500 GlobalActivechecked 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 technology500 GlobalActivechecked 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 materials500 Global500G GA 25Site unreachablechecked 2026-08-17
EARTH AIAI

Predictive Explorer and Driller for Critical Metal Deposits

Climate and energyAI exploration for critical mineralsY CombinatorS19Activechecked 2026-08-23
Kitekraft

Building flying wind turbines.

Climate and energyairborne wind energy systemsY CombinatorS19Site unreachablechecked 2026-08-23
Wren

Wren is a monthly subscription to offset your carbon footprint.

Climate and energyPersonal carbon offsetting subscriptionY CombinatorS19Activechecked 2026-08-23
AmpUp

We make EV charging as simple and reliable as LED lights

Climate and energyEV charging infrastructureY CombinatorW19Activechecked 2026-08-23
Intelline

Intelline makes the world's most efficient fuel agnostic engines for…

Climate and energyfuel-agnostic industrial power generationY CombinatorW19Activechecked 2026-08-24
Maple Materials

We turn CO2 into battery-grade graphite and oxygen.

Climate and energyCarbon-negative graphite productionY CombinatorW19Inactivechecked 2026-08-17
Prometheus

We use solar and wind power to make zero net carbon electrofuels

Climate and energysynthetic electrofuels from renewable energyY CombinatorW19Active, new domain2026-08-23
Valo

Cutting edge hydrofoil systems for boatbuilders

Climate and energyMaritime efficiency technologyY CombinatorW19Active2026-08-23
2NDNATURE

2NDNATURE | Stormwater Management SoftwareMS4 Compliance & Corporate Water Stewardship Software | 2NDNATURE

Climate and energystormwater compliance softwareTechstarsTS 2019Activechecked 2026-08-23
Alkemy Environmental

Alkemy Environmental

Climate and energywaste-to-materials conversionTechstarsTS 2019Activechecked 2026-08-23
AmbeeClimate and energyclimate data and analytics platformTechstarsTS 2019Activechecked 2026-08-23
Ateios

Ateios Systems | Building More Batteries for Less

Climate and energyAdvanced battery manufacturingTechstarsTS 2019Activechecked 2026-08-23
Blaise Transit

Blaise Transit

Climate and energyUrban transit optimization platformTechstarsTS 2019Activechecked 2026-08-23
CAALA

CAALA | Unlocking Sustainability

Climate and energyReal estate carbon accounting softwareTechstarsTS 2019Activechecked 2026-08-23
Craste

Home | Craste

Climate and energycleantech innovation platformTechstarsTS 2019Activechecked 2026-08-23
Dynamic Green Products

Bio-based Lubricants Built to Outperform Petroleum | DGP

Climate and energybio-based industrial lubricantsTechstarsTS 2019Activechecked 2026-08-23
Element 16 Technologies

Element 16 Technologies

Climate and energycleantech energy hardwareTechstarsTS 2019Activechecked 2026-08-23
HydrosatAI

Hydrosat - Home Page

Climate and energysatellite water monitoringTechstarsTS 2019Activechecked 2026-08-23
MITO Material Solutions

Home | MITO Materials

Climate and energyadvanced materials manufacturingTechstarsTS 2019Activechecked 2026-08-23
ReelData AIAI

ReelData: Artificial Intelligence for Land-Based Aquaculture

Climate and energyAI monitoring for aquacultureTechstarsTS 2019Activechecked 2026-08-23
Regen Network

Regen Network empowers communities to coordinate, fund, and verify regenerative action at scale.

Climate and energyRegenerative agriculture blockchain coordinationTechstarsTS 2019Activechecked 2026-08-23
Salient Energy

Home - Salient Energy

Climate and energyZinc-ion battery technology for clean energyTechstarsTS 2019Activechecked 2026-08-23
SeeO2 Energy

Home - SeeO2 Energy

Climate and energyCO2 to fuel conversion platformTechstarsTS 2019Activechecked 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 services500 GlobalActivechecked 2026-08-23
C16 Biosciences

Next-gen ingredients to decarbonize consumer products, starting w/…

Climate and energysustainable ingredient manufacturingY CombinatorS18Activechecked 2026-08-23
The Good Food Institute

Building a world where alternative proteins are no longer alternative.

Climate and energyalternative protein innovationY CombinatorS18Activechecked 2026-08-23
Conservation Labs

Smart Water Monitor – H2know by Conservation Labs

Climate and energySmart water monitoring and conservationTechstarsTS 2018Activechecked 2026-08-23
FlyWireAI

FlyWire Cameras - Seafood traceability on the water

Climate and energyseafood sustainability traceabilityTechstarsTS 2018Activechecked 2026-08-23
Goodr

Goodr | Feed More, Waste Less

Climate and energyFood waste reduction platformTechstarsTS 2018Activechecked 2026-08-23
graphenest.com

Home | Graphenest

Climate and energysustainable graphene shielding materialsTechstarsTS 2018Activechecked 2026-08-23
Green Eye TechnologyAI

Greeneye Technology™ - Turn Every Sprayer to a Smart Machine

Climate and energyAI-powered agricultural chemical reductionTechstarsTS 2018Activechecked 2026-08-23
Lotic Labs

Lotic Labs

Climate and energyWeather risk modeling and financial protectionTechstarsTS 2018Activechecked 2026-08-23
MADA AnalyticsAI

Site is undergoing maintenance

Climate and energyclean energy analytics platformTechstarsTS 2018Activechecked 2026-08-23
Renewal Mill

Renewal Mill - Bake a better future.

Climate and energysustainable food productionTechstarsTS 2018Activechecked 2026-08-23
SparkCharge

SparkCharge | High-Power Energy Network, On-Site Power in Days

Climate and energyrapid-deploy battery energy storageTechstarsTS 2018Activechecked 2026-08-23
Wattmore

WATTMORE | Battery Controls, EMS & Power Plant Controller Software

Climate and energybattery and microgrid management softwareTechstarsTS 2018Activechecked 2026-08-23
Advano

Advano is a battery technology company that improve the longevity of…

Climate and energybattery technology for renewable energyY CombinatorS17Site unreachablechecked 2026-08-23
Airthium

Decarbonized heat and power cheaper than fossil fuels

Climate and energyindustrial heat decarbonizationY CombinatorS17Activechecked 2026-08-23
Releaf Earth

Turning food waste into Biochar to remove CO2 from the atmsophere

Climate and energybiochar carbon removal from wasteY CombinatorS17Active, new domain2026-08-23
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 manufacturing500 GlobalActivechecked 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 optimization500 GlobalActivechecked 2026-08-23
Solugen

Decarbonizing the chemicals industry.

Climate and energySustainable chemistry and biotech manufacturingY CombinatorW17Activechecked 2026-08-23
EcoG

EcoG - Home

Climate and energyEV charging infrastructureTechstarsTS 2017Activechecked 2026-08-23
KITROAI

AI Food Waste Solution for Smart Kitchens | KITRO

Climate and energyAI food waste reduction for restaurantsTechstarsTS 2017Activechecked 2026-08-23
LevelTen Energy

LevelTen Energy

Climate and energyRenewable energy transaction marketplaceTechstarsTS 2017Activechecked 2026-08-23
OffGridBox

OffGridBox - Affordable Clean Water and Renewable Energy in Remote Areas

Climate and energyoff-grid solar water purification systemsTechstarsTS 2017Activechecked 2026-08-23
Raptor Maps

Raptor Maps builds software to manage the solar PV lifecycle.

Climate and energySolar asset management softwareY CombinatorS16Activechecked 2026-08-23
Validere

A carbon MRV solution for energy and hard-to-abate sectors

Climate and energyCarbon MRV for energyY CombinatorS16Activechecked 2026-08-23
Lygos

Lygos engineers yeast to convert sugar into high-value industrial…

Climate and energysynthetic biology for industrial chemicalsY CombinatorW16Inactivechecked 2026-08-17
Sanitation and Health Rights in India (SHRI)Climate and energyBiogas from waste for water purificationY CombinatorW16Activechecked 2026-08-24
Afineur

AFINEUR

Climate and energyclimate tech platformTechstarsTS 2016Activechecked 2026-08-23
Mast Reforestation

Restoration for Resilience

Climate and energywildfire reforestation carbon creditsTechstarsTS 2016Activechecked 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 platform500 Global500G GA 13Activechecked 2026-08-23
Reach

Long range, wireless energy distribution that scales

Climate and energywireless power distribution networksY CombinatorS15Activechecked 2026-08-23
SunFarmer

Reliable and affordable solar energy in developing countries.

Climate and energysolar energy for developing marketsY CombinatorS15Activechecked 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 platform500 Global500G GA 12Activechecked 2026-08-23
Bright

Sunrun for the developing world

Climate and energydistributed solar financing platformY CombinatorW15Activechecked 2026-08-24
Industrial Microbes

We design and build microbes to make chemicals greener at lower cost.

Climate and energysynthetic biology for green chemicalsY CombinatorW15Activechecked 2026-08-23
Pilot

Pilot | NYC's Modern Fiber Infrastructure

Climate and energyUrban fiber infrastructureTechstarsTS 2015Activechecked 2026-08-23
Helion Energy

Building the world's first fusion power plant

Climate and energyfusion power generationY CombinatorS14Activechecked 2026-08-23
GBatteries

Enabling li-ion batteries to charge ultra fast without compromising…

Climate and energyfast-charging battery control softwareY CombinatorW14Activechecked 2026-08-23
Bitfinder

Air Quality Monitor | Know What You Breathe | Awair

Climate and energyindoor air quality monitoringTechstarsTS 2014Activechecked 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 solutionsPlug and PlayActivechecked 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 offsettingPlug and PlayActivechecked 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 resiliencePlug and PlayActivechecked 2026-08-23
about:energy

About:Energy provides the tools that enable electrification

Climate and energybattery testing and modelingPlug and PlayActive, new domain2026-08-23
ADAPT

Lead the empowerment of organizations to achieve their transportation-related sustainability and business goals.

Climate and energytransportation decarbonization platformPlug and PlaySite unreachablechecked 2026-08-17
Adept materials

Climate-regulating materials for sustainable buildings

Climate and energysustainable building materialsPlug and PlayActivechecked 2026-08-23
AerovyAI

Orchestrating world's energy to unlock its full potential.

Climate and energyAI energy management for airports and EV fleetsPlug and PlayActivechecked 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 financingPlug and PlayActivechecked 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 technologyPlug and PlayActivechecked 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 productionPlug and PlayInactivechecked 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 technologyPlug and PlayActivechecked 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 technologyPlug and PlayActivechecked 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 turbinesPlug and PlayActivechecked 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 carbonPlug and PlayActivechecked 2026-08-23
ambienttechnologies

Decentralized sensor network

Climate and energyDecentralized IoT sensor infrastructurePlug and PlayActivechecked 2026-08-23
Amica Terra

AmicaTerra is a supplier of biomass products and services.

Climate and energybiodegradable materials for sustainabilityPlug and PlayActivechecked 2026-08-25
Ammobia

Fueling decarbonization by revolutionizing green ammonia production

Climate and energygreen ammonia productionPlug and PlayActivechecked 2026-08-23
Ammon Fields

Ammon Fields develops catalysts intended to lower the generation pressure and temperature of ammonia.

Climate and energygreen ammonia catalystsPlug and PlayActivechecked 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 chemicalsPlug and PlayActivechecked 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 observationPlug and PlayActive2026-08-23