Helping climatetech startupsTransformindustry faster

Salient Energy
Energy & Power

Tank Utility
Energy & Power

Sol Clarity
Energy & Power
Sol Clarity — Solar panels need cleaning but there’s not enough water for it – with EDS just flip a switch to watch dust disappear. Dust settles, they don’t!

Packwise
Manufacturing & Processing
IIoT sensors combined with a software and analytics platform to optimize industrial supply chains

Alloy Enterprises
Manufacturing & Processing
Alloy Enterprises — is developing a new manufacturing method to change the way the world makes aluminum parts.

Root AI
Food, Water, & Land

BETZ Group
Energy & Power
BETZ Group lead a global team of passionate professionals dedicated to advancing the development and adoption of innovative data technologies,remote sensing technologies and IT solutions in the fields of cleantech and critical infrastructure.

Maxwellian
Energy & Power
Maxwellian — empowers mobility, energy, and agricultural industries by providing autonomous sanitization and monitoring solutions using unique optical IoT technology to ensure data accessibility for safety and asset management.

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

SWERV
Infrastructure & Construction
Making homes healthier, more comfortable, and more energy efficient through reimagined and easy to install ventilation

Energy Toolbase
Energy & Power
Energy Toolbase — is an industry leading software platform that provides a cohesive suite of project modeling, energy storage control and asset monitoring products that enable solar and energy storage developers to deploy projects more efficiently.

Spare-it
Manufacturing & Processing
Spare-it — is a catalyst for sustainability in the workplace.

Vistex Composites
Manufacturing & Processing
Vistex Composites is a manufacturing innovation company that has developed disruptive technology for the manufacture of advanced composite products. Our patented PFL™ process can be integrated into existing manufacturing plants, or finished products can be manufactured with Vistex's in-house manufacturing team.

Eden GeoPower
Energy & Power
Electrical Reservoir Stimulation to enhance subsurface permeability

Biosfera
Manufacturing & Processing

Geckskin
Manufacturing & Processing

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

Transocean

GeoTeknica
Manufacturing & Processing

Ivys Energy Solutions
Energy & Power
On-site hydrogen-generation and -dispensing appliance that uses water and electricity to make fuel-cell-grade hydrogen

Salient Energy
Energy & Power

Tank Utility
Energy & Power

Sol Clarity
Energy & Power
Sol Clarity — Solar panels need cleaning but there’s not enough water for it – with EDS just flip a switch to watch dust disappear. Dust settles, they don’t!

Packwise
Manufacturing & Processing
IIoT sensors combined with a software and analytics platform to optimize industrial supply chains

Alloy Enterprises
Manufacturing & Processing
Alloy Enterprises — is developing a new manufacturing method to change the way the world makes aluminum parts.

Root AI
Food, Water, & Land

BETZ Group
Energy & Power
BETZ Group lead a global team of passionate professionals dedicated to advancing the development and adoption of innovative data technologies,remote sensing technologies and IT solutions in the fields of cleantech and critical infrastructure.

Maxwellian
Energy & Power
Maxwellian — empowers mobility, energy, and agricultural industries by providing autonomous sanitization and monitoring solutions using unique optical IoT technology to ensure data accessibility for safety and asset management.

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

SWERV
Infrastructure & Construction
Making homes healthier, more comfortable, and more energy efficient through reimagined and easy to install ventilation

Energy Toolbase
Energy & Power
Energy Toolbase — is an industry leading software platform that provides a cohesive suite of project modeling, energy storage control and asset monitoring products that enable solar and energy storage developers to deploy projects more efficiently.

Spare-it
Manufacturing & Processing
Spare-it — is a catalyst for sustainability in the workplace.

Vistex Composites
Manufacturing & Processing
Vistex Composites is a manufacturing innovation company that has developed disruptive technology for the manufacture of advanced composite products. Our patented PFL™ process can be integrated into existing manufacturing plants, or finished products can be manufactured with Vistex's in-house manufacturing team.

Eden GeoPower
Energy & Power
Electrical Reservoir Stimulation to enhance subsurface permeability

Biosfera
Manufacturing & Processing

Geckskin
Manufacturing & Processing

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

Transocean

GeoTeknica
Manufacturing & Processing

Ivys Energy Solutions
Energy & Power
On-site hydrogen-generation and -dispensing appliance that uses water and electricity to make fuel-cell-grade hydrogen

Global ROC
Food, Water, & Land
Global ROC — provides an innovative technology solution for cooling tower systems that reduces chemical consumption, saves water, and decreases energy costs.

SRECTrade
Energy & Power
Management and transaction platform for environmental commodities to reduce costs and increase transparency

Endeavor Composites
Manufacturing & Processing
Sustainably repurposing landfill-destined post-industrial fibers into semi-finished goods for the composite industry

Building Envelope Materials
Infrastructure & Construction

ZettaConn
Energy & Power

FLUIDXLAB Americas Inc.
Manufacturing & Processing
AI-powered microfluidic tools that help control and improve fluid processes across many industries

Suyana Climate Insurance

Moonshot Compost
Manufacturing & Processing
Moonshot Compost — collects and consolidates food waste for composting from businesses and residents, with a focus on data creation and management.

Sunwealth
Energy & Power

Moonflower Farms
Food, Water, & Land
Moonflower Technologies uses space age technology to solve real world problems.

Upgraid
Infrastructure & Construction
AI and satellite data that diagnose buildings and run energy simulations, to produce ready-to-pitch upgrade proposals

CarbonQuest
Infrastructure & Construction

Carbon Upcycling Technologies
Manufacturing & Processing
Carbon Upcycling Technologies (Calgary, AB) is a circular decarbonization solution for hard-to-abate industries –- utilizing low-purity industrial CO2 and industrial by-products to decarbonize cement.

Eos Loan
Energy & Power

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.

Cyvl
Infrastructure & Construction
Cyvl.ai (formerly Roadgnar) — helps cities and businesses better manage their physical infrastructure assets like roads, bridges, sidewalks, buildings, and more with distributed data collection devices and machine learning.

Apitronics
Food, Water, & Land

Desktop Health
Manufacturing & Processing
Desktop Health (formerly Beacon Bio) — is designing biodegradable and biomimetic tissue grafts using novel materials science and 3D printing technologies.

Carbonext
Manufacturing & Processing
3D-graphene technology that develops integrated solutions with carbon-coated silicon anodes

CarbonFree
Manufacturing & Processing

Global ROC
Food, Water, & Land
Global ROC — provides an innovative technology solution for cooling tower systems that reduces chemical consumption, saves water, and decreases energy costs.

SRECTrade
Energy & Power
Management and transaction platform for environmental commodities to reduce costs and increase transparency

Endeavor Composites
Manufacturing & Processing
Sustainably repurposing landfill-destined post-industrial fibers into semi-finished goods for the composite industry

Building Envelope Materials
Infrastructure & Construction

ZettaConn
Energy & Power

FLUIDXLAB Americas Inc.
Manufacturing & Processing
AI-powered microfluidic tools that help control and improve fluid processes across many industries

Suyana Climate Insurance

Moonshot Compost
Manufacturing & Processing
Moonshot Compost — collects and consolidates food waste for composting from businesses and residents, with a focus on data creation and management.

Sunwealth
Energy & Power

Moonflower Farms
Food, Water, & Land
Moonflower Technologies uses space age technology to solve real world problems.

Upgraid
Infrastructure & Construction
AI and satellite data that diagnose buildings and run energy simulations, to produce ready-to-pitch upgrade proposals

CarbonQuest
Infrastructure & Construction

Carbon Upcycling Technologies
Manufacturing & Processing
Carbon Upcycling Technologies (Calgary, AB) is a circular decarbonization solution for hard-to-abate industries –- utilizing low-purity industrial CO2 and industrial by-products to decarbonize cement.

Eos Loan
Energy & Power

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.

Cyvl
Infrastructure & Construction
Cyvl.ai (formerly Roadgnar) — helps cities and businesses better manage their physical infrastructure assets like roads, bridges, sidewalks, buildings, and more with distributed data collection devices and machine learning.

Apitronics
Food, Water, & Land

Desktop Health
Manufacturing & Processing
Desktop Health (formerly Beacon Bio) — is designing biodegradable and biomimetic tissue grafts using novel materials science and 3D printing technologies.

Carbonext
Manufacturing & Processing
3D-graphene technology that develops integrated solutions with carbon-coated silicon anodes

CarbonFree
Manufacturing & Processing




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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