Helping climatetech startupsTransformindustry faster
Datavedik
Energy & Power
Addressing complex optimization challenges in the energy industry
Celadyne
Energy & Power
Iron Lattice
Manufacturing & Processing
Building AI memory that powers human potential.
Energetic Insurance
Energy & Power
Unlocking solar financing for unrated or below investment grade organizations.
Sublime Systems
Infrastructure & Construction
Decarbonizing cement-making with an electrochemical process that replaces fossil-fuel-fired kilns
Thola
Energy & Power
On-demand marketplace for commercial building sustainability and safety management
MissionPoint Capital Partners
Inovues
Infrastructure & Construction
Aeromine Technologies, Inc.
Energy & Power
Bladeless, motionless wind turbines for the built environment
PolyJoule
Energy & Power
PolyJoule — develops low-cost, high-power energy storage designed to strengthen the power grid.
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.
Trillium Brewing Company
Food, Water, & Land
Anvil Capture Systems
Manufacturing & Processing
CO2 direct air mineralization process, delivering carbon dioxide removal
Wellbore Consultants
Energy & Power
Advanced subsurface stimulation systems to improve resource recovery while reducing energy intensity, water usage, and surface impact
Nebumi
Energy & Power
Emissions intelligence platform, monitoring pollution with satellite data and AI
Lobster Robotics
Food, Water, & Land
Lobster Robotics — develops lightweight, low-cost, fast robots for visual surveying to lower the cost of surveying in offshore wind farms.
Save Energy Systems
Infrastructure & Construction
Dexai Robotics
Food, Water, & Land
SEEDiA
Energy & Power
SEEDiA — is making cities sustainable by reducing CO2 emissions and keeping citizen connected and charged up.
SeaSatellites
Transportation & Logistics
Datavedik
Energy & Power
Addressing complex optimization challenges in the energy industry
Celadyne
Energy & Power
Iron Lattice
Manufacturing & Processing
Building AI memory that powers human potential.
Energetic Insurance
Energy & Power
Unlocking solar financing for unrated or below investment grade organizations.
Sublime Systems
Infrastructure & Construction
Decarbonizing cement-making with an electrochemical process that replaces fossil-fuel-fired kilns
Thola
Energy & Power
On-demand marketplace for commercial building sustainability and safety management
MissionPoint Capital Partners
Inovues
Infrastructure & Construction
Aeromine Technologies, Inc.
Energy & Power
Bladeless, motionless wind turbines for the built environment
PolyJoule
Energy & Power
PolyJoule — develops low-cost, high-power energy storage designed to strengthen the power grid.
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.
Trillium Brewing Company
Food, Water, & Land
Anvil Capture Systems
Manufacturing & Processing
CO2 direct air mineralization process, delivering carbon dioxide removal
Wellbore Consultants
Energy & Power
Advanced subsurface stimulation systems to improve resource recovery while reducing energy intensity, water usage, and surface impact
Nebumi
Energy & Power
Emissions intelligence platform, monitoring pollution with satellite data and AI
Lobster Robotics
Food, Water, & Land
Lobster Robotics — develops lightweight, low-cost, fast robots for visual surveying to lower the cost of surveying in offshore wind farms.
Save Energy Systems
Infrastructure & Construction
Dexai Robotics
Food, Water, & Land
SEEDiA
Energy & Power
SEEDiA — is making cities sustainable by reducing CO2 emissions and keeping citizen connected and charged up.
SeaSatellites
Transportation & Logistics
Littoral Power Systems
Energy & Power
LPS sells and maintains innovative, cost-effective, low impact hydropower and ocean power equipment.
VentureWell
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.
Pika Energy
Energy & Power
Adiabatic Materials
Manufacturing & Processing
Unlocking clean, affordable chemical production with electricity
Ensovi
Manufacturing & Processing
Cofactor recycling platform for sustainable drug manufacturing
Elios
Energy & Power
e-Zinc
Energy & Power
Corrolytics
Energy & Power
Patented corrosion intelligence platform delivering near real-time corrosion detection and actionable insights
Kauel
Energy & Power
Software that detects industrial threats to prevent environmental risks and catastrophes
Catalyxx
Manufacturing & Processing
Catalytic tech to turn bio-ethanol into high-value, carbon-negative chemicals
Blue Line Battery
Energy & Power
Blue Line Battery designs and manufactures more accessible, more efficient, battery technology for industrial applications.
Resollant
Manufacturing & Processing
Enables industrial-scale hydrogen & syngas production while capturing carbon as a monetizable solid at scale
XMtrace
Manufacturing & Processing
Low-cost methane monitoring with real-time detection and autonomous response
XTPL
Manufacturing & Processing
Additive manufacturing technology for ultra-precise printing of nanomaterials
RenewCO₂
Manufacturing & Processing
Future
Future — simplifies the transition to a net-zero economy for individuals and families. Future offers a set of financial tools and incentives for climate smart living. Future takes a 360°view of spending and generates individualized options to save money and reduce carbon emissions with their decision-engine.
CZAR Power
Energy & Power
DrinKicks
Food, Water, & Land
Repurposing food waste and recycled materials into shoes
Night Vision Technology Solutions (NVTS)
Littoral Power Systems
Energy & Power
LPS sells and maintains innovative, cost-effective, low impact hydropower and ocean power equipment.
VentureWell
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.
Pika Energy
Energy & Power
Adiabatic Materials
Manufacturing & Processing
Unlocking clean, affordable chemical production with electricity
Ensovi
Manufacturing & Processing
Cofactor recycling platform for sustainable drug manufacturing
Elios
Energy & Power
e-Zinc
Energy & Power
Corrolytics
Energy & Power
Patented corrosion intelligence platform delivering near real-time corrosion detection and actionable insights
Kauel
Energy & Power
Software that detects industrial threats to prevent environmental risks and catastrophes
Catalyxx
Manufacturing & Processing
Catalytic tech to turn bio-ethanol into high-value, carbon-negative chemicals
Blue Line Battery
Energy & Power
Blue Line Battery designs and manufactures more accessible, more efficient, battery technology for industrial applications.
Resollant
Manufacturing & Processing
Enables industrial-scale hydrogen & syngas production while capturing carbon as a monetizable solid at scale
XMtrace
Manufacturing & Processing
Low-cost methane monitoring with real-time detection and autonomous response
XTPL
Manufacturing & Processing
Additive manufacturing technology for ultra-precise printing of nanomaterials
RenewCO₂
Manufacturing & Processing
Future
Future — simplifies the transition to a net-zero economy for individuals and families. Future offers a set of financial tools and incentives for climate smart living. Future takes a 360°view of spending and generates individualized options to save money and reduce carbon emissions with their decision-engine.
CZAR Power
Energy & Power
DrinKicks
Food, Water, & Land
Repurposing food waste and recycled materials into shoes
Night Vision Technology Solutions (NVTS)
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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New Jobs Created by Our Members, and Counting
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.
Become a Partner
Access the most concentrated pipeline of vetted climatetech companies in North America. Partner on pilots, invest, or join as a corporate sponsor.
Get Involved
We pride ourselves on being a convener of the climatetech ecosystem. Join us at an upcoming event to explore all things climate action and collaboration.
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Tap into deal flow with the world’s largest community of climate and energy startups.