Helping climatetech startupsTransformindustry faster
AquaNRG
Energy & Power
AquaNRG is provider of advanced technologies for subsurface energy and environmental applications. AquaNRG's technology has been funded through $1.4M grants by the US Department of Energy and National Science Foundation.
Thola
Energy & Power
On-demand marketplace for commercial building sustainability and safety management
Lumafield
Manufacturing & Processing
Lumafield — is making an easy-to-use CT scanner and powerful, cloud-based analysis software that can solve tough engineering challenges at every stage of the product development process.
Elios
Energy & Power
Intention
Energy & Power
Climate-infrastructure-investment platform
Verne
Energy & Power
Verne — develops hydrogen storage systems for zero-emission heavy-duty trucks.
QD Solar
Energy & Power
energyGuard
Infrastructure & Construction
SnoFox Sciences
Transportation & Logistics
SnoFox Sciences — is developing a platform that provides actionable insights such as fault classification and predictive maintenance recommendations to the operators and stakeholders responsible for the performance and reliability of refrigerated spaces.
CLS Wind
Energy & Power
Self-erecting system for installing wind turbines
Corvus Robotics
Manufacturing & Processing
Andros Innovations
Manufacturing & Processing
Reducing the costs and energy demands of ammonia production through advanced reactor technology
HEXAspec
Energy & Power
Thermal management solutions for semiconductor chips, enabling more powerful hardware
Raptor Maps
Energy & Power
AI software to increase solar farm power production, reduce operational risk, and lower costs
10DQ
Energy & Power
Battery tech for long-duration energy storage at lower costs and improved safety
Resonant Energy
Energy & Power
STEM Americas Foundation
Aluminum Technologies
Manufacturing & Processing
Low-GHG primary aluminum production with Carbo-Chloride Reduction
LA NPDT
eSki Watercraft
Energy & Power
Electric personal watercraft
AquaNRG
Energy & Power
AquaNRG is provider of advanced technologies for subsurface energy and environmental applications. AquaNRG's technology has been funded through $1.4M grants by the US Department of Energy and National Science Foundation.
Thola
Energy & Power
On-demand marketplace for commercial building sustainability and safety management
Lumafield
Manufacturing & Processing
Lumafield — is making an easy-to-use CT scanner and powerful, cloud-based analysis software that can solve tough engineering challenges at every stage of the product development process.
Elios
Energy & Power
Intention
Energy & Power
Climate-infrastructure-investment platform
Verne
Energy & Power
Verne — develops hydrogen storage systems for zero-emission heavy-duty trucks.
QD Solar
Energy & Power
energyGuard
Infrastructure & Construction
SnoFox Sciences
Transportation & Logistics
SnoFox Sciences — is developing a platform that provides actionable insights such as fault classification and predictive maintenance recommendations to the operators and stakeholders responsible for the performance and reliability of refrigerated spaces.
CLS Wind
Energy & Power
Self-erecting system for installing wind turbines
Corvus Robotics
Manufacturing & Processing
Andros Innovations
Manufacturing & Processing
Reducing the costs and energy demands of ammonia production through advanced reactor technology
HEXAspec
Energy & Power
Thermal management solutions for semiconductor chips, enabling more powerful hardware
Raptor Maps
Energy & Power
AI software to increase solar farm power production, reduce operational risk, and lower costs
10DQ
Energy & Power
Battery tech for long-duration energy storage at lower costs and improved safety
Resonant Energy
Energy & Power
STEM Americas Foundation
Aluminum Technologies
Manufacturing & Processing
Low-GHG primary aluminum production with Carbo-Chloride Reduction
LA NPDT
eSki Watercraft
Energy & Power
Electric personal watercraft
pH Matter
Energy & Power
L3 Open Water Power
Energy & Power
Exakom
Manufacturing & Processing
Exakom — is a pioneer in developing innovative data analysis products for the industrial automation market.
Osmoses
Manufacturing & Processing
Osmoses — develops advanced membrane technology for efficient gas and vapor separations.
Micronic Technologies
Food, Water, & Land
Micronic Technologies — is a women co-founded and led, clean-tech company that is transforming industrial wastewater into high-value resources.
Altaeros
Energy & Power
ICODOS
Manufacturing & Processing
Scalable clean methanol to decarbonize transport and chemicals
e-Zinc
Energy & Power
Solas Capture
Solas Capture is developing a sunlight-powered process for sustainable lithium carbonate production using novel photobase chemistry. Our technology converts lithium brines and CO₂ into battery-grade materials with lower energy use, reduced waste, and a significantly smaller environmental footprint than conventional methods.
Dugu Systems
Energy & Power
Zero-carbon power with an emissions-free gas turbine
Janta Power
Energy & Power
The world’s first 3D solar tower technology
VesprSolar
Energy & Power
VesprSolar — is transforming how solar panels are installed. VesprSolar V-Clamp™ is a low-cost fastener that makes solar arrays more secure and faster to install.
Atlas Robotics
Transportation & Logistics
It's Electric
Infrastructure & Construction
it's electric accelerates the adoption of EVs with a scalable and simple Level-2 curbside charging solution, ensuring that every community has access to clean, sustainable transportation options. it's electric's "behind the meter" approach simplifies the installation process by eliminating the need for utility coordination, and is the first in the country to offer EVSE hardware with a detachable cord.
Blue Line Battery
Energy & Power
Blue Line Battery designs and manufactures more accessible, more efficient, battery technology for industrial applications.
Renewell Energy
Energy & Power
Gravitational energy storage
Skylark Wireless
Manufacturing & Processing
Far more than 5G: Skylark builds affordable, long-range, and high-speed wireless systems for rural broadband providers.
Hunt Energy Enterprises
Energy & Power
Giner Labs
Energy & Power
At Giner Labs, we focus on developing innovative solutions in electrochemical sensors, electrolyzers, fuel cells, advanced materials, and medical devices. Our goal is to create technologies that have a profound impact on various sectors, including clean energy, medical applications, as well as aerospace and defense.
Infinite Foundry
Manufacturing & Processing
Real-time 3D operational models to improve efficiency, lower costs, and enhance sustainability
pH Matter
Energy & Power
L3 Open Water Power
Energy & Power
Exakom
Manufacturing & Processing
Exakom — is a pioneer in developing innovative data analysis products for the industrial automation market.
Osmoses
Manufacturing & Processing
Osmoses — develops advanced membrane technology for efficient gas and vapor separations.
Micronic Technologies
Food, Water, & Land
Micronic Technologies — is a women co-founded and led, clean-tech company that is transforming industrial wastewater into high-value resources.
Altaeros
Energy & Power
ICODOS
Manufacturing & Processing
Scalable clean methanol to decarbonize transport and chemicals
e-Zinc
Energy & Power
Solas Capture
Solas Capture is developing a sunlight-powered process for sustainable lithium carbonate production using novel photobase chemistry. Our technology converts lithium brines and CO₂ into battery-grade materials with lower energy use, reduced waste, and a significantly smaller environmental footprint than conventional methods.
Dugu Systems
Energy & Power
Zero-carbon power with an emissions-free gas turbine
Janta Power
Energy & Power
The world’s first 3D solar tower technology
VesprSolar
Energy & Power
VesprSolar — is transforming how solar panels are installed. VesprSolar V-Clamp™ is a low-cost fastener that makes solar arrays more secure and faster to install.
Atlas Robotics
Transportation & Logistics
It's Electric
Infrastructure & Construction
it's electric accelerates the adoption of EVs with a scalable and simple Level-2 curbside charging solution, ensuring that every community has access to clean, sustainable transportation options. it's electric's "behind the meter" approach simplifies the installation process by eliminating the need for utility coordination, and is the first in the country to offer EVSE hardware with a detachable cord.
Blue Line Battery
Energy & Power
Blue Line Battery designs and manufactures more accessible, more efficient, battery technology for industrial applications.
Renewell Energy
Energy & Power
Gravitational energy storage
Skylark Wireless
Manufacturing & Processing
Far more than 5G: Skylark builds affordable, long-range, and high-speed wireless systems for rural broadband providers.
Hunt Energy Enterprises
Energy & Power
Giner Labs
Energy & Power
At Giner Labs, we focus on developing innovative solutions in electrochemical sensors, electrolyzers, fuel cells, advanced materials, and medical devices. Our goal is to create technologies that have a profound impact on various sectors, including clean energy, medical applications, as well as aerospace and defense.
Infinite Foundry
Manufacturing & Processing
Real-time 3D operational models to improve efficiency, lower costs, and enhance sustainability
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.
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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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