Helping climatetech startupsTransformindustry faster

Starfire Energy
Energy & Power

RUNWITHIT Synthetics Inc.
Energy & Power

Inovues
Infrastructure & Construction

DxLab
Food, Water, & Land
DxLab — consists of engineers, physicists, biologists, and chemists working together to provide rapid and affordable detection of diseases with new diagnostic platforms that can be used where they are needed the most. By providing means for easy and accurate disease detection, they aim to make diagnostic testing available to anyone who wants or needs it.

Peak Power
Energy & Power
Energy-storage optimization software for commercial and industrial customers and energy storage project developers

Electrona Robotics
Manufacturing & Processing

Solar Mantle
Infrastructure & Construction
Film that reflects sunlight for energy-free passive cooling of structures

Emrod
Energy & Power
Sustainable power with long-range wireless power transfer technology

Dandelion Energy
Infrastructure & Construction
Geothermal heating and cooling systems for homes

Kornit Digital
Manufacturing & Processing
Kornit Digital (formerly Voxel8) — is developing digital manufacturing systems that revolutionize how footwear and athletic apparel are designed, manufactured, and delivered to consumers.

GeoFuels
Energy & Power
We are positioned to solve the problem of clean hydrogen not competing economically against alternatives. Through geothermal power and methane pyrolysis we believe we have the solution.

10DQ
Energy & Power
Battery tech for long-duration energy storage at lower costs and improved safety

9T Labs
Manufacturing & Processing

Verde Technologies
Energy & Power
Lightweight, flexible perovskite solar panels for mass industrial and commercial adoption

ETAK
ETAK transforms waste into clean energy. Our modular technology converts unsorted municipal and industrial waste into high-calorific gas, offering a decentralized, 24/7 alternative to fossil fuels and traditional incineration.

SolarKal
Energy & Power
The largest solar energy marketplace in the U.S., connecting organizations to solar providers

Biosimo
Manufacturing & Processing
Biosimo makes eco-friendly chemicals from plant waste using a clean, low-cost process

Nfinite Nanotech
Manufacturing & Processing

Terrapin Geothermics
Energy & Power
Terrapin Geothermics — develops energy projects that reduce the emissions intensity of the industrial sectors.

Dottir Labs
Food, Water, & Land
Sensor technology that provides real-time, detailed chemical analysis of water

Starfire Energy
Energy & Power

RUNWITHIT Synthetics Inc.
Energy & Power

Inovues
Infrastructure & Construction

DxLab
Food, Water, & Land
DxLab — consists of engineers, physicists, biologists, and chemists working together to provide rapid and affordable detection of diseases with new diagnostic platforms that can be used where they are needed the most. By providing means for easy and accurate disease detection, they aim to make diagnostic testing available to anyone who wants or needs it.

Peak Power
Energy & Power
Energy-storage optimization software for commercial and industrial customers and energy storage project developers

Electrona Robotics
Manufacturing & Processing

Solar Mantle
Infrastructure & Construction
Film that reflects sunlight for energy-free passive cooling of structures

Emrod
Energy & Power
Sustainable power with long-range wireless power transfer technology

Dandelion Energy
Infrastructure & Construction
Geothermal heating and cooling systems for homes

Kornit Digital
Manufacturing & Processing
Kornit Digital (formerly Voxel8) — is developing digital manufacturing systems that revolutionize how footwear and athletic apparel are designed, manufactured, and delivered to consumers.

GeoFuels
Energy & Power
We are positioned to solve the problem of clean hydrogen not competing economically against alternatives. Through geothermal power and methane pyrolysis we believe we have the solution.

10DQ
Energy & Power
Battery tech for long-duration energy storage at lower costs and improved safety

9T Labs
Manufacturing & Processing

Verde Technologies
Energy & Power
Lightweight, flexible perovskite solar panels for mass industrial and commercial adoption

ETAK
ETAK transforms waste into clean energy. Our modular technology converts unsorted municipal and industrial waste into high-calorific gas, offering a decentralized, 24/7 alternative to fossil fuels and traditional incineration.

SolarKal
Energy & Power
The largest solar energy marketplace in the U.S., connecting organizations to solar providers

Biosimo
Manufacturing & Processing
Biosimo makes eco-friendly chemicals from plant waste using a clean, low-cost process

Nfinite Nanotech
Manufacturing & Processing

Terrapin Geothermics
Energy & Power
Terrapin Geothermics — develops energy projects that reduce the emissions intensity of the industrial sectors.

Dottir Labs
Food, Water, & Land
Sensor technology that provides real-time, detailed chemical analysis of water

NW NA
Energy & Power
NW NA — is an independent operator of extremely high-power electric charging stations (IECharge®), distributed electricity storage units (JBox®), and new micro-electricity production units (Tikaz®).

ICODOS
Manufacturing & Processing
Scalable clean methanol to decarbonize transport and chemicals

InnoSepra
Energy & Power

Licube
Manufacturing & Processing
Sustainable lithium recovery through electrodialysis

Kuva Systems
Manufacturing & Processing

Axis Sky Renewables
Energy & Power
-- creates innovative wind solutions, specializing in vertical axis wind turbines. Its cutting-edge technology is less expensive than traditional wind turbines to produce, deploy and maintain while still producing reliable renewable energy.

REI
Energy & Power

Pre Framing Corp
Infrastructure & Construction

Eugenie
Manufacturing & Processing
Eugenie — has developed an AI-based predictive maintenance platform that reduces 3% of the total HC production losses suffered by upstream oil and gas operations, thus helping to reduce billions of metric tons of GHG emissions annually.

RailPod
Transportation & Logistics

Apitronics
Food, Water, & Land

Spaero Bio
Infrastructure & Construction
Spaero Bio — enables scientists to quickly and directly automate experiments that are currently done by hand, a bottleneck of life science R&D.

Mantel
Manufacturing & Processing
Mantel — is developing the most thermally efficient and lowest cost carbon capture technology - helping the world reduce atmospheric CO2 levels.

Teknobuilt
Infrastructure & Construction
Cloud-based construction project management software

Transport Phenomena Technologies
Manufacturing & Processing
Transport Phenomena Technologies — models software for thermal management of electronics.

Osmoses
Manufacturing & Processing
Osmoses — develops advanced membrane technology for efficient gas and vapor separations.

Cala Systems
Energy & Power
Intelligent heat-pump water heaters

Biko Biolabs
Manufacturing & Processing
Biko Biolabs — is developing a platform technology that will empower marginalized or under-resourced communities to solve problems at the local scale. Their first project is a plastic-to-soil technology, a technique for breaking down plastic waste into valuable compost. This allows the community to avoid landfilling, incinerating, or littering the plastic, while also supporting a circular economy and turning the waste into a valuable product.

Elios
Energy & Power

Understory
Infrastructure & Construction
Weather hardware and analytics

NW NA
Energy & Power
NW NA — is an independent operator of extremely high-power electric charging stations (IECharge®), distributed electricity storage units (JBox®), and new micro-electricity production units (Tikaz®).

ICODOS
Manufacturing & Processing
Scalable clean methanol to decarbonize transport and chemicals

InnoSepra
Energy & Power

Licube
Manufacturing & Processing
Sustainable lithium recovery through electrodialysis

Kuva Systems
Manufacturing & Processing

Axis Sky Renewables
Energy & Power
-- creates innovative wind solutions, specializing in vertical axis wind turbines. Its cutting-edge technology is less expensive than traditional wind turbines to produce, deploy and maintain while still producing reliable renewable energy.

REI
Energy & Power

Pre Framing Corp
Infrastructure & Construction

Eugenie
Manufacturing & Processing
Eugenie — has developed an AI-based predictive maintenance platform that reduces 3% of the total HC production losses suffered by upstream oil and gas operations, thus helping to reduce billions of metric tons of GHG emissions annually.

RailPod
Transportation & Logistics

Apitronics
Food, Water, & Land

Spaero Bio
Infrastructure & Construction
Spaero Bio — enables scientists to quickly and directly automate experiments that are currently done by hand, a bottleneck of life science R&D.

Mantel
Manufacturing & Processing
Mantel — is developing the most thermally efficient and lowest cost carbon capture technology - helping the world reduce atmospheric CO2 levels.

Teknobuilt
Infrastructure & Construction
Cloud-based construction project management software

Transport Phenomena Technologies
Manufacturing & Processing
Transport Phenomena Technologies — models software for thermal management of electronics.

Osmoses
Manufacturing & Processing
Osmoses — develops advanced membrane technology for efficient gas and vapor separations.

Cala Systems
Energy & Power
Intelligent heat-pump water heaters

Biko Biolabs
Manufacturing & Processing
Biko Biolabs — is developing a platform technology that will empower marginalized or under-resourced communities to solve problems at the local scale. Their first project is a plastic-to-soil technology, a technique for breaking down plastic waste into valuable compost. This allows the community to avoid landfilling, incinerating, or littering the plastic, while also supporting a circular economy and turning the waste into a valuable product.

Elios
Energy & Power

Understory
Infrastructure & Construction
Weather hardware and analytics




The way the world makes energy, materials, and food is changing — and the next decade will decide whether that change makes life better: more energy with fewer emissions, more industry with cleaner air, more good jobs.
That future comes from entrepreneurs — the heroes who turn ideas into real products, real companies, and the jobs of the future. And the ones who make it are the ones with a community behind them.
For 15 years, Greentown has been that community — leaning in with the space, the people, the funding, and the first customers they need. Get behind the entrepreneurs building our future.
Our Startups Have Raised Over $0B
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Startups bring the breakthroughs. Corporate partners bring the scale, infrastructure, expertise, and capital to make them matter.
Ready to take your technology to the next level? Join the world's largest community of climatetech and energy entrepreneurs and fast-track your speed to market.


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