Helping climatetech startupsTransformindustry faster

Capture6
Manufacturing & Processing
Capture6 — removes carbon from the atmosphere while producing clean water and other industrial products from seawater or other saltwater inputs.

Mission Zero Technologies
Manufacturing & Processing
Efficient electrochemistry to capture CO₂

Innoveering
Manufacturing & Processing

CemCycle
Manufacturing & Processing

Sealed
Infrastructure & Construction

Energy Well Texas
Energy & Power
Our mission is to strengthen communities by helping millions of people switch to fairer, more resilient, 100% clean energy.

Eos Loan
Energy & Power

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

EQORE
EQORE is an end-to-end provider of intelligent and autonomous energy storage for commercial and industrial facilities, aimed at minimizing their electricity costs. By offering unprecedented ROIs, EQORE makes adding distributed storage to the grid financially attractive, promoting grid resilience while supporting businesses.

Quantum Diamond Technologies
Manufacturing & Processing

Adiabatic Materials
Manufacturing & Processing
Unlocking clean, affordable chemical production with electricity

Wise Energie
Energy & Power
Blending vertical-axis wind, solar PV, and battery storage into a single, silent system generating 24/7 clean power

Full Cycle Bioplastics
Manufacturing & Processing

Sweetch Energy
Energy & Power
Membrane-based technology that taps into osmotic power

Innovator Energy
Energy & Power
Developing and deploying solutions in cooling, heating, and heat transfer

Hibot
Infrastructure & Construction
Solutions for infrastructures across industries.

FAST Metals
Manufacturing & Processing
Hydrometallurgical-recovery process for extracting rare-earth elements from industrial tailings

Overstory
Food, Water, & Land
Minimizing vegetation contact with power lines using satellite imagery, climate data, and machine learning

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.

InfiSense

Capture6
Manufacturing & Processing
Capture6 — removes carbon from the atmosphere while producing clean water and other industrial products from seawater or other saltwater inputs.

Mission Zero Technologies
Manufacturing & Processing
Efficient electrochemistry to capture CO₂

Innoveering
Manufacturing & Processing

CemCycle
Manufacturing & Processing

Sealed
Infrastructure & Construction

Energy Well Texas
Energy & Power
Our mission is to strengthen communities by helping millions of people switch to fairer, more resilient, 100% clean energy.

Eos Loan
Energy & Power

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

EQORE
EQORE is an end-to-end provider of intelligent and autonomous energy storage for commercial and industrial facilities, aimed at minimizing their electricity costs. By offering unprecedented ROIs, EQORE makes adding distributed storage to the grid financially attractive, promoting grid resilience while supporting businesses.

Quantum Diamond Technologies
Manufacturing & Processing

Adiabatic Materials
Manufacturing & Processing
Unlocking clean, affordable chemical production with electricity

Wise Energie
Energy & Power
Blending vertical-axis wind, solar PV, and battery storage into a single, silent system generating 24/7 clean power

Full Cycle Bioplastics
Manufacturing & Processing

Sweetch Energy
Energy & Power
Membrane-based technology that taps into osmotic power

Innovator Energy
Energy & Power
Developing and deploying solutions in cooling, heating, and heat transfer

Hibot
Infrastructure & Construction
Solutions for infrastructures across industries.

FAST Metals
Manufacturing & Processing
Hydrometallurgical-recovery process for extracting rare-earth elements from industrial tailings

Overstory
Food, Water, & Land
Minimizing vegetation contact with power lines using satellite imagery, climate data, and machine learning

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.

InfiSense

RightHand Robotics
Transportation & Logistics

Mass Magnetics
Manufacturing & Processing
MECo specializes in the automated manufacture of structured functional materials for magnetic and electrochemical applications.

MicroAvionics
Transportation & Logistics

JURA Bio
Food, Water, & Land

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.

Alkemy Environmental
Manufacturing & Processing
Alkemy Environmental — holds the only technology solution that can recycle waste into high strength ceramics for the building materials market.

CGIS
Energy & Power

A&I Power Group
Energy & Power
Electricity-generation systems that convert electromagnetic energy into electrical potential

BlueTec Energy
Energy & Power

Via Separations
Manufacturing & Processing
Via Separations — is developing a new membrane material to make manufacturing processes more energy efficient—transforming the production of things like fertilizer and nylon, and with the potential to save a gigaton of carbon each year.

String Data Motion
Infrastructure & Construction
Agentic AI for energy companies. Agents in motion. Outcomes delivered.

Liquid-Charge
Energy & Power
Liquid-Charge — will manufacture mobile Solid Oxide Fuel Cell (SOFC) range extenders for battery electric vehicles, using them to trickle-charge batteries while effortlessly retaining CO2 for sequestration and recycling.

AeroShield Materials
Infrastructure & Construction
Insulating, porous aerogels for energy-efficient windows

Apitronics
Food, Water, & Land

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

Aquosmic Corporation
Energy & Power
Aquosmic — analyzes any body of water using satellite images and can determine biomass as well.

Energy Dome
Energy & Power
EnergyDome — has ideated and patented a revolutionary technology for large-scale and long-duration energy storage: The CO2 Battery.

Embue
Infrastructure & Construction

DASH Clean Energy
Energy & Power
Dash Clean Energy — has developed a hydrogen simulation tool that can be used by developers to evaluate existing and planned wind and solar projects and how to manage and produce hydrogen cost competitively with existing hydrogen production pathways.

Sustonable
Manufacturing & Processing
Sustonable — mixes post-consumer recycled plastic bottles, recycled glass and natural stone to create a circular, high-quality surface material, that can be used for kitchen tops, wall panels and furniture purposes.

RightHand Robotics
Transportation & Logistics

Mass Magnetics
Manufacturing & Processing
MECo specializes in the automated manufacture of structured functional materials for magnetic and electrochemical applications.

MicroAvionics
Transportation & Logistics

JURA Bio
Food, Water, & Land

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.

Alkemy Environmental
Manufacturing & Processing
Alkemy Environmental — holds the only technology solution that can recycle waste into high strength ceramics for the building materials market.

CGIS
Energy & Power

A&I Power Group
Energy & Power
Electricity-generation systems that convert electromagnetic energy into electrical potential

BlueTec Energy
Energy & Power

Via Separations
Manufacturing & Processing
Via Separations — is developing a new membrane material to make manufacturing processes more energy efficient—transforming the production of things like fertilizer and nylon, and with the potential to save a gigaton of carbon each year.

String Data Motion
Infrastructure & Construction
Agentic AI for energy companies. Agents in motion. Outcomes delivered.

Liquid-Charge
Energy & Power
Liquid-Charge — will manufacture mobile Solid Oxide Fuel Cell (SOFC) range extenders for battery electric vehicles, using them to trickle-charge batteries while effortlessly retaining CO2 for sequestration and recycling.

AeroShield Materials
Infrastructure & Construction
Insulating, porous aerogels for energy-efficient windows

Apitronics
Food, Water, & Land

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

Aquosmic Corporation
Energy & Power
Aquosmic — analyzes any body of water using satellite images and can determine biomass as well.

Energy Dome
Energy & Power
EnergyDome — has ideated and patented a revolutionary technology for large-scale and long-duration energy storage: The CO2 Battery.

Embue
Infrastructure & Construction

DASH Clean Energy
Energy & Power
Dash Clean Energy — has developed a hydrogen simulation tool that can be used by developers to evaluate existing and planned wind and solar projects and how to manage and produce hydrogen cost competitively with existing hydrogen production pathways.

Sustonable
Manufacturing & Processing
Sustonable — mixes post-consumer recycled plastic bottles, recycled glass and natural stone to create a circular, high-quality surface material, that can be used for kitchen tops, wall panels and furniture purposes.




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
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