Helping climatetech startupsTransformindustry faster

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

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

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.

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

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

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.

eologix sensor technology
Energy & Power

NeuraliX
Energy & Power
AI solutions to optimize operations and reduce emissions for the energy and manufacturing sectors

Aeromine Technologies, Inc.
Energy & Power
Bladeless, motionless wind turbines for the built environment

RUNWITHIT Synthetics Inc.
Energy & Power

Altaeros
Energy & Power

MoveEV
Transportation & Logistics
Mitigating Scope 1 & 3 emissions for businesses while providing cost savings for employees

Revora Materials
Energy & Power
Carbon-mineralization technology with high-value minerals and metals recovery

Electra
Manufacturing & Processing
ElectraSteel's — mission is to electrify and decarbonize steelmaking using renewable energy with zero carbon dioxide emissions while lowering the energy intensity and cost.

ConnectDER
Energy & Power
ConnectDER — unlocks the massive potential of DERs by turning the meter socket into the utility’s all-in-one plug-in point for solar, storage, EVs, and beyond.

FGC Plasma Solutions
Energy & Power

Celadyne
Energy & Power

Respire Energy
Energy & Power
Safe, low-cost, and long-duration metal-air battery designed for microgrids

CarTwin
Transportation & Logistics
CarTwin is unlocking the value of automative data by creating an integrated data ecosystem to drive actionable insight and predictive analytics to address the industry’s most pressing challenges. Its digital twin technology enables a diverse set of automotive use cases that power new innovations by connecting physical and digital worlds providing real-time operational awareness of vehicle, component, and manufacturing performance.

WindRays Energy LLC
Energy & Power
WindRays Energy LLC — develops new models of wind energy designs to make widespread implementation in densely populated areas more efficient and profitable.

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

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

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.

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

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

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.

eologix sensor technology
Energy & Power

NeuraliX
Energy & Power
AI solutions to optimize operations and reduce emissions for the energy and manufacturing sectors

Aeromine Technologies, Inc.
Energy & Power
Bladeless, motionless wind turbines for the built environment

RUNWITHIT Synthetics Inc.
Energy & Power

Altaeros
Energy & Power

MoveEV
Transportation & Logistics
Mitigating Scope 1 & 3 emissions for businesses while providing cost savings for employees

Revora Materials
Energy & Power
Carbon-mineralization technology with high-value minerals and metals recovery

Electra
Manufacturing & Processing
ElectraSteel's — mission is to electrify and decarbonize steelmaking using renewable energy with zero carbon dioxide emissions while lowering the energy intensity and cost.

ConnectDER
Energy & Power
ConnectDER — unlocks the massive potential of DERs by turning the meter socket into the utility’s all-in-one plug-in point for solar, storage, EVs, and beyond.

FGC Plasma Solutions
Energy & Power

Celadyne
Energy & Power

Respire Energy
Energy & Power
Safe, low-cost, and long-duration metal-air battery designed for microgrids

CarTwin
Transportation & Logistics
CarTwin is unlocking the value of automative data by creating an integrated data ecosystem to drive actionable insight and predictive analytics to address the industry’s most pressing challenges. Its digital twin technology enables a diverse set of automotive use cases that power new innovations by connecting physical and digital worlds providing real-time operational awareness of vehicle, component, and manufacturing performance.

WindRays Energy LLC
Energy & Power
WindRays Energy LLC — develops new models of wind energy designs to make widespread implementation in densely populated areas more efficient and profitable.

NONA Technologies
Food, Water, & Land
Desalinating brackish water with 60% less electricity, fewer chemical inputs, and less downtime

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

Emrod
Energy & Power
Sustainable power with long-range wireless power transfer technology

Sustainable America
Food, Water, & Land

ETAK
ETAK transforms waste into clean energy. Our modular technology converts unsorted municipal and industrial waste into high-calorific gas, offering a decentralized, 24/7 alternative to fossil fuels and traditional incineration.

Autonomous Marine Systems
Food, Water, & Land

Next Rung Technology
Manufacturing & Processing
Supporting clean technologies in their commercialization journeys with expert engineering consulting

OffGridBox
Food, Water, & Land

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

Ignition Packaging
About the Company Ignition Packaging is a biomaterials company developing scalable, cost-competitive alternatives to conventional petroleum-based foams. Ignition Packaging’s core technology transforms agricultural byproducts into a high-performance, biodegradable foam engineered […]

SteamIQ
Manufacturing & Processing

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.

Orien Energy
Infrastructure & Construction
Sorption heat pump to recover waste heat from dryer exhaust

EVLO Energy Storage
Energy & Power

AgZen
Food, Water, & Land
AI that monitors leaf coverage during spraying to reduce pesticide usage

SmartAC.com
Infrastructure & Construction
SmartAC.com — is on a mission to perfect the experience of home comfort. The company helps its partners offer next-level service with a more proactive approach to HVAC & plumbing.

Ententia
Energy & Power
Trusted, scalable enterprise AI solutions that turn context into competitive advantage

Teal Bio
Manufacturing & Processing
Reusable N95 respirator system for healthcare workers to reduce landfill waste

Phytoform Labs
Food, Water, & Land
Phytoform Labs — has a crop development platform that uses cutting-edge machine learning and genome editing technologies to explore and evolve the natural genetic sequences of plants.

Tomra Systems
Manufacturing & Processing

NONA Technologies
Food, Water, & Land
Desalinating brackish water with 60% less electricity, fewer chemical inputs, and less downtime

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

Emrod
Energy & Power
Sustainable power with long-range wireless power transfer technology

Sustainable America
Food, Water, & Land

ETAK
ETAK transforms waste into clean energy. Our modular technology converts unsorted municipal and industrial waste into high-calorific gas, offering a decentralized, 24/7 alternative to fossil fuels and traditional incineration.

Autonomous Marine Systems
Food, Water, & Land

Next Rung Technology
Manufacturing & Processing
Supporting clean technologies in their commercialization journeys with expert engineering consulting

OffGridBox
Food, Water, & Land

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

Ignition Packaging
About the Company Ignition Packaging is a biomaterials company developing scalable, cost-competitive alternatives to conventional petroleum-based foams. Ignition Packaging’s core technology transforms agricultural byproducts into a high-performance, biodegradable foam engineered […]

SteamIQ
Manufacturing & Processing

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.

Orien Energy
Infrastructure & Construction
Sorption heat pump to recover waste heat from dryer exhaust

EVLO Energy Storage
Energy & Power

AgZen
Food, Water, & Land
AI that monitors leaf coverage during spraying to reduce pesticide usage

SmartAC.com
Infrastructure & Construction
SmartAC.com — is on a mission to perfect the experience of home comfort. The company helps its partners offer next-level service with a more proactive approach to HVAC & plumbing.

Ententia
Energy & Power
Trusted, scalable enterprise AI solutions that turn context into competitive advantage

Teal Bio
Manufacturing & Processing
Reusable N95 respirator system for healthcare workers to reduce landfill waste

Phytoform Labs
Food, Water, & Land
Phytoform Labs — has a crop development platform that uses cutting-edge machine learning and genome editing technologies to explore and evolve the natural genetic sequences of plants.

Tomra Systems
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.
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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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