Helping climatetech startupsTransformindustry faster

Oxylus Energy
Transportation & Logistics

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.

RUNWITHIT Synthetics Inc.
Energy & Power

Electric Fish
Energy & Power
Electric Fish — deploys NanoGrids at gas-stations for extreme-fast EV charging, and grid-scale energy-backup.

XMtrace
Manufacturing & Processing
Low-cost methane monitoring with real-time detection and autonomous response

Nfinite Nanotech
Manufacturing & Processing

Electrona Robotics
Manufacturing & Processing

Parasanti
Parasanti — is a data orchestration/edge computing firm, specializing in extreme operating environments within both the federal space and advanced energy solutions.

Blue Sky Analytics
Food, Water, & Land
Blue Sky Analytics uses satellite data and AI to provide high resolution environmental insights for ESG investing and climate risk assessment.

Monaire
Infrastructure & Construction
Reducing HVAC energy use and repair costs for small commercial buildings

HEXAspec
Energy & Power
Thermal management solutions for semiconductor chips, enabling more powerful hardware

SEAROVER UNDERWATER ROBOTICS
Manufacturing & Processing

ALP Technologies
Energy & Power

SepPure Technologies
Transportation & Logistics
SepPure — is dramatically reducing energy consumption and pollution globally by enabling the most effective chemical separation at a molecular level, without the traditional use of heat.

WeaveGrid
Energy & Power
WeaveGrid — is a software company that enables wide scale electric vehicle adoption by solving one of the most critical emerging electrification challenges — connecting a growing wave of electric vehicles to an electric grid that was not designed to support the high power needs of widespread charging.

Embue
Infrastructure & Construction

Starfield
Food, Water, & Land

Sensai Analytics
Energy & Power
Sensai Analytics — is developing an enterprise AI platform that enables companies with limited machine learning expertise to build scalable and robust time series forecasting models.

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.

Resonant Energy
Energy & Power

Oxylus Energy
Transportation & Logistics

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.

RUNWITHIT Synthetics Inc.
Energy & Power

Electric Fish
Energy & Power
Electric Fish — deploys NanoGrids at gas-stations for extreme-fast EV charging, and grid-scale energy-backup.

XMtrace
Manufacturing & Processing
Low-cost methane monitoring with real-time detection and autonomous response

Nfinite Nanotech
Manufacturing & Processing

Electrona Robotics
Manufacturing & Processing

Parasanti
Parasanti — is a data orchestration/edge computing firm, specializing in extreme operating environments within both the federal space and advanced energy solutions.

Blue Sky Analytics
Food, Water, & Land
Blue Sky Analytics uses satellite data and AI to provide high resolution environmental insights for ESG investing and climate risk assessment.

Monaire
Infrastructure & Construction
Reducing HVAC energy use and repair costs for small commercial buildings

HEXAspec
Energy & Power
Thermal management solutions for semiconductor chips, enabling more powerful hardware

SEAROVER UNDERWATER ROBOTICS
Manufacturing & Processing

ALP Technologies
Energy & Power

SepPure Technologies
Transportation & Logistics
SepPure — is dramatically reducing energy consumption and pollution globally by enabling the most effective chemical separation at a molecular level, without the traditional use of heat.

WeaveGrid
Energy & Power
WeaveGrid — is a software company that enables wide scale electric vehicle adoption by solving one of the most critical emerging electrification challenges — connecting a growing wave of electric vehicles to an electric grid that was not designed to support the high power needs of widespread charging.

Embue
Infrastructure & Construction

Starfield
Food, Water, & Land

Sensai Analytics
Energy & Power
Sensai Analytics — is developing an enterprise AI platform that enables companies with limited machine learning expertise to build scalable and robust time series forecasting models.

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.

Resonant Energy
Energy & Power

Visolis
Infrastructure & Construction

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

Salient Predictions
Food, Water, & Land
Salient Predictions uses ocean data and machine learning to provide the world's most accurate weather forecasts from 3 weeks to 9 months out, enabling climate change resiliency and mitigation within industry.

10DQ
Energy & Power
Battery tech for long-duration energy storage at lower costs and improved safety

LA NPDT

Circulus Air
Infrastructure & Construction
Clean air systems to directly remove harmful gases and pollutants

InventWood
Infrastructure & Construction
InventWood — offers MettleWood, a super-strong wood material (that's stronger than steel), a highly insulative wood material (as a green substitute for polystyrene) and even a transparent wood material.

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

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

Vecarius
Infrastructure & Construction
Heat-to-electricity technology to boost energy efficiency in mass markets

Carbion
Manufacturing & Processing
Affordable and clean biomass transformation to graphite for batteries

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

PolyQor (Innova8e)
Manufacturing & Processing
Concept Loop is dedicated to repurposing low-value post-industrial and post-consumer plastic waste into sustainable building materials. Our flagship product, EcoGrete, is used in the production of high-strength paver blocks and tiles, offering an eco-friendly solution while reducing environmental impact.

Patch
Transportation & Logistics

Demia
Manufacturing & Processing
Demia is a secure, real-time data infrastructure and platform that streamlines carbon certification, enabling faster, cost-effective scaling of climate projects on our path to 1 Billion tons of annual impact. With cutting-edge technology and strong industry partnerships, Demia ensures transparency, trust, and maximized climate impact for every dollar invested.

Allkemie
Manufacturing & Processing
Producing tailored graphene and other nanomaterials at scale

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

Sheetak
Manufacturing & Processing
Based in Austin, Texas, Sheetak develops advanced thermoelectric, solid-state cooling, and energy harvesting technologies for high-performance electronics. With expertise in thermoelectric materials, device engineering, and U.S.-based manufacturing, Sheetak provides precision thermal management solutions for applications in photonics, telecommunications, aerospace, defense, computing, and medical systems.

Terralytiq
Manufacturing & Processing
Digital models that deliver Scope 3 hotspots, actionable initiatives, and supplier engagement to cut cost and carbon

Night Vision Technology Solutions (NVTS)

Visolis
Infrastructure & Construction

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

Salient Predictions
Food, Water, & Land
Salient Predictions uses ocean data and machine learning to provide the world's most accurate weather forecasts from 3 weeks to 9 months out, enabling climate change resiliency and mitigation within industry.

10DQ
Energy & Power
Battery tech for long-duration energy storage at lower costs and improved safety

LA NPDT

Circulus Air
Infrastructure & Construction
Clean air systems to directly remove harmful gases and pollutants

InventWood
Infrastructure & Construction
InventWood — offers MettleWood, a super-strong wood material (that's stronger than steel), a highly insulative wood material (as a green substitute for polystyrene) and even a transparent wood material.

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

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

Vecarius
Infrastructure & Construction
Heat-to-electricity technology to boost energy efficiency in mass markets

Carbion
Manufacturing & Processing
Affordable and clean biomass transformation to graphite for batteries

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

PolyQor (Innova8e)
Manufacturing & Processing
Concept Loop is dedicated to repurposing low-value post-industrial and post-consumer plastic waste into sustainable building materials. Our flagship product, EcoGrete, is used in the production of high-strength paver blocks and tiles, offering an eco-friendly solution while reducing environmental impact.

Patch
Transportation & Logistics

Demia
Manufacturing & Processing
Demia is a secure, real-time data infrastructure and platform that streamlines carbon certification, enabling faster, cost-effective scaling of climate projects on our path to 1 Billion tons of annual impact. With cutting-edge technology and strong industry partnerships, Demia ensures transparency, trust, and maximized climate impact for every dollar invested.

Allkemie
Manufacturing & Processing
Producing tailored graphene and other nanomaterials at scale

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

Sheetak
Manufacturing & Processing
Based in Austin, Texas, Sheetak develops advanced thermoelectric, solid-state cooling, and energy harvesting technologies for high-performance electronics. With expertise in thermoelectric materials, device engineering, and U.S.-based manufacturing, Sheetak provides precision thermal management solutions for applications in photonics, telecommunications, aerospace, defense, computing, and medical systems.

Terralytiq
Manufacturing & Processing
Digital models that deliver Scope 3 hotspots, actionable initiatives, and supplier engagement to cut cost and carbon

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
All-time
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Startups Operate
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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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