Helping climatetech startupsTransformindustry faster

Haystack Ag
Food, Water, & Land
High-accuracy carbon-measurement systems for soil to drive affordable regenerative farming practices

Nfinite Nanotech
Manufacturing & Processing

AllSpice.io
Infrastructure & Construction
A collaboration hub for hardware teams with revision control, design reviews, and releases

Solidec
Manufacturing & Processing
Using air, water, and electricity, Solidec generates the world's most essential chemicals, on-site and on-demand.

REI
Energy & Power

Canetia Analytics
Transportation & Logistics
Canetia Analytics — monitors structures and their natural vibration signature through IoT, artificial intelligence and machine learning to enable a building to be seen from the inside to the outside, continuously and automatically.

Browning the Green Space
Food, Water, & Land
Addressing diversity, equity, and inclusion across careers, companies, contracts, capital, and communities

SkyH2O
Food, Water, & Land
Atmospheric water generation for commercial and government projects

Resonant Energy
Energy & Power

L3 Open Water Power
Energy & Power

CalWave Power Technologies
Energy & Power
CalWave — CalWave’s mission is to unlock the vast and steady carbon-free power from ocean waves, bringing superior power-generating technology to market with a global reach. CalWave’s proprietary wave energy converter technology achieves high performance while surviving storms and extreme conditions.

Transocean

Smart Resource Labs
Energy & Power
We make data easy

Climative
Energy & Power
AI-assisted home-energy assessments deployed in an interactive, web-based platform

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

SEEDiA
Energy & Power
SEEDiA — is making cities sustainable by reducing CO2 emissions and keeping citizen connected and charged up.

Prime Lightworks
Energy & Power
Prime Lightworks — makes breakthrough electric propulsion systems for space satellites that are solar-powered, fully renewable, and consume zero fuel. The company’s goal is to eliminate fuel emissions from space propulsion while drastically reducing cost and waste.

RenewCO₂
Manufacturing & Processing

BERKM
Manufacturing & Processing

Independence Coffee Company
Food, Water, & Land
Our new 100% Compostable Coffee Pods are made with no plastic. They are Fair Trade, Organic and are produced from the best coffee growing regions in the world. Our focus on reduced environmental impacts and 'give-backs' to great local and national causes runs in our DNA. We partner with large corporate, grocery and food service providers to not only distribute our products, but also educate consumers on the importance of sustainable cpg packaging for our earth's future.

Haystack Ag
Food, Water, & Land
High-accuracy carbon-measurement systems for soil to drive affordable regenerative farming practices

Nfinite Nanotech
Manufacturing & Processing

AllSpice.io
Infrastructure & Construction
A collaboration hub for hardware teams with revision control, design reviews, and releases

Solidec
Manufacturing & Processing
Using air, water, and electricity, Solidec generates the world's most essential chemicals, on-site and on-demand.

REI
Energy & Power

Canetia Analytics
Transportation & Logistics
Canetia Analytics — monitors structures and their natural vibration signature through IoT, artificial intelligence and machine learning to enable a building to be seen from the inside to the outside, continuously and automatically.

Browning the Green Space
Food, Water, & Land
Addressing diversity, equity, and inclusion across careers, companies, contracts, capital, and communities

SkyH2O
Food, Water, & Land
Atmospheric water generation for commercial and government projects

Resonant Energy
Energy & Power

L3 Open Water Power
Energy & Power

CalWave Power Technologies
Energy & Power
CalWave — CalWave’s mission is to unlock the vast and steady carbon-free power from ocean waves, bringing superior power-generating technology to market with a global reach. CalWave’s proprietary wave energy converter technology achieves high performance while surviving storms and extreme conditions.

Transocean

Smart Resource Labs
Energy & Power
We make data easy

Climative
Energy & Power
AI-assisted home-energy assessments deployed in an interactive, web-based platform

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

SEEDiA
Energy & Power
SEEDiA — is making cities sustainable by reducing CO2 emissions and keeping citizen connected and charged up.

Prime Lightworks
Energy & Power
Prime Lightworks — makes breakthrough electric propulsion systems for space satellites that are solar-powered, fully renewable, and consume zero fuel. The company’s goal is to eliminate fuel emissions from space propulsion while drastically reducing cost and waste.

RenewCO₂
Manufacturing & Processing

BERKM
Manufacturing & Processing

Independence Coffee Company
Food, Water, & Land
Our new 100% Compostable Coffee Pods are made with no plastic. They are Fair Trade, Organic and are produced from the best coffee growing regions in the world. Our focus on reduced environmental impacts and 'give-backs' to great local and national causes runs in our DNA. We partner with large corporate, grocery and food service providers to not only distribute our products, but also educate consumers on the importance of sustainable cpg packaging for our earth's future.

Verdox Inc
Manufacturing & Processing
Verdox — is making scalable, cost-effective carbon capture and removal a reality. Founded in late 2019 by Dr. Brian Baynes, Prof. T. Alan Hatton, and Dr. Sahag Voskian, the company is commercializing its electroswing adsorption (ESA) platform technology, originally developed at MIT, to remove carbon dioxide from industrial emissions and the air with 70% energy savings versus conventional approaches.

Arbon
Energy & Power
Low energy humidity-driven modular tech capturing and releasing CO2 for practical decarbonization

Circular Materials
Manufacturing & Processing
Critical raw materials from industrial wastewater

CZAR Power
Energy & Power

eSki Watercraft
Energy & Power
Electric personal watercraft

Medley Thermal
Energy & Power
Medley Thermal — links clean, cheap power to steam heating systems, lowering a customer's energy costs and carbon emissions.

Feon Energy, Inc. (eLyte Technology)
Energy & Power
eLyte — is commercializing next-gen battery technology for electric vehicles and other applications.

IncentiFind
Infrastructure & Construction

Adaion
Energy & Power
AI-driven grid optimization & integrated system planning platform

KP Labs
Manufacturing & Processing
Modular, biomembrane-based systems for on-site recovery of critical metals from e-waste and industrial residues

Aluminum Technologies
Manufacturing & Processing
Low-GHG primary aluminum production with Carbo-Chloride Reduction

Solarflux
Energy & Power
SolarFlux — makes the FOCUS, a parabolic dish concentrator capable of delivering flexible, clean, inexpensive solar thermal power for a wide range of applications.

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

Prophet AI
Food, Water, & Land
AI-based poultry-health-monitoring system to reduce chicken mortality, save revenue, and avoid carbon emissions

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.

Rivsal Holdings
Energy & Power
Power plants that run on water and deliver electricity to avoid grid vulnerability and energy price volatility

Folia Materials
Manufacturing & Processing
Folia Materials — is creating a safer, cleaner, and healthier world with its antiviral paper.

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.

QEA Tech
Energy & Power
Precise, data-driven building-envelope audits using patented AI software, drones, and thermography

DIOXYCLE
Manufacturing & Processing
DIOXYCLE — is building an electrolysis platform to convert carbon emissions into chemicals and fuel building blocks.

Verdox Inc
Manufacturing & Processing
Verdox — is making scalable, cost-effective carbon capture and removal a reality. Founded in late 2019 by Dr. Brian Baynes, Prof. T. Alan Hatton, and Dr. Sahag Voskian, the company is commercializing its electroswing adsorption (ESA) platform technology, originally developed at MIT, to remove carbon dioxide from industrial emissions and the air with 70% energy savings versus conventional approaches.

Arbon
Energy & Power
Low energy humidity-driven modular tech capturing and releasing CO2 for practical decarbonization

Circular Materials
Manufacturing & Processing
Critical raw materials from industrial wastewater

CZAR Power
Energy & Power

eSki Watercraft
Energy & Power
Electric personal watercraft

Medley Thermal
Energy & Power
Medley Thermal — links clean, cheap power to steam heating systems, lowering a customer's energy costs and carbon emissions.

Feon Energy, Inc. (eLyte Technology)
Energy & Power
eLyte — is commercializing next-gen battery technology for electric vehicles and other applications.

IncentiFind
Infrastructure & Construction

Adaion
Energy & Power
AI-driven grid optimization & integrated system planning platform

KP Labs
Manufacturing & Processing
Modular, biomembrane-based systems for on-site recovery of critical metals from e-waste and industrial residues

Aluminum Technologies
Manufacturing & Processing
Low-GHG primary aluminum production with Carbo-Chloride Reduction

Solarflux
Energy & Power
SolarFlux — makes the FOCUS, a parabolic dish concentrator capable of delivering flexible, clean, inexpensive solar thermal power for a wide range of applications.

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

Prophet AI
Food, Water, & Land
AI-based poultry-health-monitoring system to reduce chicken mortality, save revenue, and avoid carbon emissions

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.

Rivsal Holdings
Energy & Power
Power plants that run on water and deliver electricity to avoid grid vulnerability and energy price volatility

Folia Materials
Manufacturing & Processing
Folia Materials — is creating a safer, cleaner, and healthier world with its antiviral paper.

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.

QEA Tech
Energy & Power
Precise, data-driven building-envelope audits using patented AI software, drones, and thermography

DIOXYCLE
Manufacturing & Processing
DIOXYCLE — is building an electrolysis platform to convert carbon emissions into chemicals and fuel building blocks.




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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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.


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Access the most concentrated pipeline of vetted climatetech companies in North America. Partner on pilots, invest, or join as a corporate sponsor.

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