Helping climatetech startupsTransformindustry faster

Enerbrain
Infrastructure & Construction

MITO Material Solutions
Manufacturing & Processing

Biospheric AI
Energy & Power
High-resolution, building-level energy demand forecasts for utilities and more

Eugenie
Manufacturing & Processing
Eugenie — has developed an AI-based predictive maintenance platform that reduces 3% of the total HC production losses suffered by upstream oil and gas operations, thus helping to reduce billions of metric tons of GHG emissions annually.

Mission Zero Technologies
Manufacturing & Processing
Efficient electrochemistry to capture CO₂

WhaleSpotter
Transportation & Logistics
Thermal imaging and AI to prevent marine mammal strikes at sea

RenewCO₂
Manufacturing & Processing

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

Hicor Technologies Inc.
Energy & Power

AIRCO
Energy & Power

SolarFi
Energy & Power
Privé is a unique and blissful experience for social-distanced gathering in a transparent house that combines the arts, renewable energy, and sustainability.

CarbonFree
Manufacturing & Processing

Littoral Power Systems
Energy & Power
LPS sells and maintains innovative, cost-effective, low impact hydropower and ocean power equipment.

Climate Core Capital
Infrastructure & Construction
Climate Core — runs a climate-oriented real estate strategy, namely acquiring buildings in low climate risk locations and making those buildings the most resilient in the built environment.

Ebb Carbon
Food, Water, & Land
Ebb Carbon — removes atmospheric CO2 and reduces ocean acidification. Using a proprietary electrochemical system to separate acid out of salty water, Ebb de-acidifies the ocean and enhances its natural ability to capture CO2 from the air and store it safely and stably as bicarbonate for at least 10,000 years.

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

Energetic Insurance
Energy & Power
Unlocking solar financing for unrated or below investment grade organizations.

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

NW NA
Energy & Power
NW NA — is an independent operator of extremely high-power electric charging stations (IECharge®), distributed electricity storage units (JBox®), and new micro-electricity production units (Tikaz®).

Transaera
Infrastructure & Construction
Ultra-efficient air conditioning using a novel desiccant material

Enerbrain
Infrastructure & Construction

MITO Material Solutions
Manufacturing & Processing

Biospheric AI
Energy & Power
High-resolution, building-level energy demand forecasts for utilities and more

Eugenie
Manufacturing & Processing
Eugenie — has developed an AI-based predictive maintenance platform that reduces 3% of the total HC production losses suffered by upstream oil and gas operations, thus helping to reduce billions of metric tons of GHG emissions annually.

Mission Zero Technologies
Manufacturing & Processing
Efficient electrochemistry to capture CO₂

WhaleSpotter
Transportation & Logistics
Thermal imaging and AI to prevent marine mammal strikes at sea

RenewCO₂
Manufacturing & Processing

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

Hicor Technologies Inc.
Energy & Power

AIRCO
Energy & Power

SolarFi
Energy & Power
Privé is a unique and blissful experience for social-distanced gathering in a transparent house that combines the arts, renewable energy, and sustainability.

CarbonFree
Manufacturing & Processing

Littoral Power Systems
Energy & Power
LPS sells and maintains innovative, cost-effective, low impact hydropower and ocean power equipment.

Climate Core Capital
Infrastructure & Construction
Climate Core — runs a climate-oriented real estate strategy, namely acquiring buildings in low climate risk locations and making those buildings the most resilient in the built environment.

Ebb Carbon
Food, Water, & Land
Ebb Carbon — removes atmospheric CO2 and reduces ocean acidification. Using a proprietary electrochemical system to separate acid out of salty water, Ebb de-acidifies the ocean and enhances its natural ability to capture CO2 from the air and store it safely and stably as bicarbonate for at least 10,000 years.

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

Energetic Insurance
Energy & Power
Unlocking solar financing for unrated or below investment grade organizations.

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

NW NA
Energy & Power
NW NA — is an independent operator of extremely high-power electric charging stations (IECharge®), distributed electricity storage units (JBox®), and new micro-electricity production units (Tikaz®).

Transaera
Infrastructure & Construction
Ultra-efficient air conditioning using a novel desiccant material

Solas Capture
Solas Capture is developing a sunlight-powered process for sustainable lithium carbonate production using novel photobase chemistry. Our technology converts lithium brines and CO₂ into battery-grade materials with lower energy use, reduced waste, and a significantly smaller environmental footprint than conventional methods.

REON Technology
Energy & Power
AI-driven optimization of systems through tailored power management of batteries and PV panels for energy storage

Exakom
Manufacturing & Processing
Exakom — is a pioneer in developing innovative data analysis products for the industrial automation market.

CZAR Power
Energy & Power

Studio 3e8
Manufacturing & Processing
Metal 3D printing in a desktop form factor.

Mithril Technologies
Infrastructure & Construction
Reshapable reflectors for advanced antennas & radars for space-based earth and severe weather monitoring

VentureWell

Top Grain Technologies
Energy & Power
Top Grain Technologies — is commercializing a scalable high-throughput heat treatment solution that imparts a directionally solidified grain structure to additively manufactured (AM) Ni-base superalloys, enabling their use in the most demanding high-temperature applications, from combustion turbines to rocket engines

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.

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 […]

Nfinite Nanotech
Manufacturing & Processing

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

Topl
Infrastructure & Construction
Topl is an impact technology company building a blockchain that empowers businesses to prove and monetize ethical and sustainable practices.

Sunforge
Energy & Power
Sunforge — creates advanced Maximum Power Point Tracking (MPPT) solar charge controllers for off-grid applications. Its controllers are designed to extract the most power possible from your solar panels and maximize system up-time through the worst conditions.

Datavedik
Energy & Power
Addressing complex optimization challenges in the energy industry

Boronite
Manufacturing & Processing

ZettaConn
Energy & Power

MagDrive Technologies Inc.
Manufacturing & Processing
Eliminating fugitive emissions and delivering zero-leak performance and durability

OpConnect
Transportation & Logistics
OpConnect — is an EV charger company that provides charging station hardware, software, and operating services. Their cloud-based software platform provides energy management, payment processing, scheduling and maintenance tickets, and support services for users.

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.

Solas Capture
Solas Capture is developing a sunlight-powered process for sustainable lithium carbonate production using novel photobase chemistry. Our technology converts lithium brines and CO₂ into battery-grade materials with lower energy use, reduced waste, and a significantly smaller environmental footprint than conventional methods.

REON Technology
Energy & Power
AI-driven optimization of systems through tailored power management of batteries and PV panels for energy storage

Exakom
Manufacturing & Processing
Exakom — is a pioneer in developing innovative data analysis products for the industrial automation market.

CZAR Power
Energy & Power

Studio 3e8
Manufacturing & Processing
Metal 3D printing in a desktop form factor.

Mithril Technologies
Infrastructure & Construction
Reshapable reflectors for advanced antennas & radars for space-based earth and severe weather monitoring

VentureWell

Top Grain Technologies
Energy & Power
Top Grain Technologies — is commercializing a scalable high-throughput heat treatment solution that imparts a directionally solidified grain structure to additively manufactured (AM) Ni-base superalloys, enabling their use in the most demanding high-temperature applications, from combustion turbines to rocket engines

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.

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 […]

Nfinite Nanotech
Manufacturing & Processing

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

Topl
Infrastructure & Construction
Topl is an impact technology company building a blockchain that empowers businesses to prove and monetize ethical and sustainable practices.

Sunforge
Energy & Power
Sunforge — creates advanced Maximum Power Point Tracking (MPPT) solar charge controllers for off-grid applications. Its controllers are designed to extract the most power possible from your solar panels and maximize system up-time through the worst conditions.

Datavedik
Energy & Power
Addressing complex optimization challenges in the energy industry

Boronite
Manufacturing & Processing

ZettaConn
Energy & Power

MagDrive Technologies Inc.
Manufacturing & Processing
Eliminating fugitive emissions and delivering zero-leak performance and durability

OpConnect
Transportation & Logistics
OpConnect — is an EV charger company that provides charging station hardware, software, and operating services. Their cloud-based software platform provides energy management, payment processing, scheduling and maintenance tickets, and support services for users.

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.




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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