Helping climatetech startupsTransformindustry faster

e-Zinc
Energy & Power

Desktop Health
Manufacturing & Processing
Desktop Health (formerly Beacon Bio) — is designing biodegradable and biomimetic tissue grafts using novel materials science and 3D printing technologies.

Octavia Carbon Co
Manufacturing & Processing
Geothermal heat to capture and mineralize CO₂

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

Patch
Transportation & Logistics

Acelerex
Energy & Power
Acelerex — is a pioneer in providing SaaS-based solutions to the challenges of integrating renewables, energy storage and electric vehicles into the 21st century power grid.

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

eSki Watercraft
Energy & Power
Electric personal watercraft

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

LineVision
Energy & Power
LineVision — combines advanced non-contact sensor and analytics technologies to give utilities more reliability, capacity, flexibility and resiliency on their transmission lines.

Highland Park Technologies
Infrastructure & Construction
Insulated cladding and building envelope retrofits at a fraction of the cost

Tato Labs
Manufacturing & Processing
Bioplastic products and packaging solutions made from potato starch

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

Massachusetts Climatetech Studio
Energy & Power

R3 Energy
Energy & Power

IncentiFind
Infrastructure & Construction

Ardent Process Technologies
Energy & Power

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

Appollo Wind Technologies
Infrastructure & Construction

Thola
Energy & Power
On-demand marketplace for commercial building sustainability and safety management

e-Zinc
Energy & Power

Desktop Health
Manufacturing & Processing
Desktop Health (formerly Beacon Bio) — is designing biodegradable and biomimetic tissue grafts using novel materials science and 3D printing technologies.

Octavia Carbon Co
Manufacturing & Processing
Geothermal heat to capture and mineralize CO₂

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

Patch
Transportation & Logistics

Acelerex
Energy & Power
Acelerex — is a pioneer in providing SaaS-based solutions to the challenges of integrating renewables, energy storage and electric vehicles into the 21st century power grid.

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

eSki Watercraft
Energy & Power
Electric personal watercraft

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

LineVision
Energy & Power
LineVision — combines advanced non-contact sensor and analytics technologies to give utilities more reliability, capacity, flexibility and resiliency on their transmission lines.

Highland Park Technologies
Infrastructure & Construction
Insulated cladding and building envelope retrofits at a fraction of the cost

Tato Labs
Manufacturing & Processing
Bioplastic products and packaging solutions made from potato starch

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

Massachusetts Climatetech Studio
Energy & Power

R3 Energy
Energy & Power

IncentiFind
Infrastructure & Construction

Ardent Process Technologies
Energy & Power

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

Appollo Wind Technologies
Infrastructure & Construction

Thola
Energy & Power
On-demand marketplace for commercial building sustainability and safety management

Bodhi
Energy & Power
Bodhi — cultivates the bond between people and the energy that powers their lives. The company’s software platform empowers solar companies to deliver amazing customer experiences with ease. Bodhi automates communication and personalizes the homeowners’ experience, so that installers can focus on what they do best – executing projects, making more sales, and transforming communities around energy.

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

Carbontec
Infrastructure & Construction

Open Ocean Robotics
Energy & Power

Piaggio Fast Forward
Transportation & Logistics

Heartland Industries
Manufacturing & Processing

Katz Water Technologies
Energy & Power
Katz Water Technologies — recycles their customers’ waste water instead of disposing it and sells the components as valuable materials.

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.

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.

Eos Loan
Energy & Power

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.

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

Carbonbase

SeaDeep
Transportation & Logistics
SeaDeep — revolutionizes underwater assessments with AI-powered subsea vision for inspecting marine environments and substructures in real-time and with high-fidelity using low-cost, off-the-shelf cameras.

Hicor Technologies Inc.
Energy & Power

sweetgreen
Food, Water, & Land

RenewCO₂
Manufacturing & Processing

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.

Agrilab Technologies Inc.
Food, Water, & Land
Modular compost-aeration and heat-recovery systems

Amogy
Energy & Power
Amogy — is building a novel portable carbon-free energy system using ammonia as a renewable fuel. Their system has 5x higher system-level energy densities compared to lithium batteries.

Bodhi
Energy & Power
Bodhi — cultivates the bond between people and the energy that powers their lives. The company’s software platform empowers solar companies to deliver amazing customer experiences with ease. Bodhi automates communication and personalizes the homeowners’ experience, so that installers can focus on what they do best – executing projects, making more sales, and transforming communities around energy.

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

Carbontec
Infrastructure & Construction

Open Ocean Robotics
Energy & Power

Piaggio Fast Forward
Transportation & Logistics

Heartland Industries
Manufacturing & Processing

Katz Water Technologies
Energy & Power
Katz Water Technologies — recycles their customers’ waste water instead of disposing it and sells the components as valuable materials.

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.

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.

Eos Loan
Energy & Power

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.

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

Carbonbase

SeaDeep
Transportation & Logistics
SeaDeep — revolutionizes underwater assessments with AI-powered subsea vision for inspecting marine environments and substructures in real-time and with high-fidelity using low-cost, off-the-shelf cameras.

Hicor Technologies Inc.
Energy & Power

sweetgreen
Food, Water, & Land

RenewCO₂
Manufacturing & Processing

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.

Agrilab Technologies Inc.
Food, Water, & Land
Modular compost-aeration and heat-recovery systems

Amogy
Energy & Power
Amogy — is building a novel portable carbon-free energy system using ammonia as a renewable fuel. Their system has 5x higher system-level energy densities compared to lithium batteries.




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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