Helping climatetech startupsTransformindustry

[ 02 ]Our Startups

Our Member Companies

View All Startups
e-Zinc logo

e-Zinc

Energy & Power

Desktop Health logo

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 logo

Octavia Carbon Co

Manufacturing & Processing

Geothermal heat to capture and mineralize CO₂

Energy Dome logo

Energy Dome

Energy & Power

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

Patch logo

Patch

Transportation & Logistics

Acelerex logo

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 logo

Next Rung Technology

Manufacturing & Processing

Supporting clean technologies in their commercialization journeys with expert engineering consulting

eSki Watercraft logo

eSki Watercraft

Energy & Power

Electric personal watercraft

Terralytiq logo

Terralytiq

Manufacturing & Processing

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

LineVision logo

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 logo

Highland Park Technologies

Infrastructure & Construction

Insulated cladding and building envelope retrofits at a fraction of the cost

Tato Labs logo

Tato Labs

Manufacturing & Processing

Bioplastic products and packaging solutions made from potato starch

Energetic Insurance logo

Energetic Insurance

Energy & Power

Unlocking solar financing for unrated or below investment grade organizations.

Massachusetts Climatetech Studio logo

Massachusetts Climatetech Studio

Energy & Power

R3 Energy logo

R3 Energy

Energy & Power

IncentiFind logo

IncentiFind

Infrastructure & Construction

Ardent Process Technologies logo

Ardent Process Technologies

Energy & Power

MoveEV logo

MoveEV

Transportation & Logistics

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

Appollo Wind Technologies logo

Appollo Wind Technologies

Infrastructure & Construction

Thola logo

Thola

Energy & Power

On-demand marketplace for commercial building sustainability and safety management

e-Zinc logo

e-Zinc

Energy & Power

Desktop Health logo

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 logo

Octavia Carbon Co

Manufacturing & Processing

Geothermal heat to capture and mineralize CO₂

Energy Dome logo

Energy Dome

Energy & Power

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

Patch logo

Patch

Transportation & Logistics

Acelerex logo

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 logo

Next Rung Technology

Manufacturing & Processing

Supporting clean technologies in their commercialization journeys with expert engineering consulting

eSki Watercraft logo

eSki Watercraft

Energy & Power

Electric personal watercraft

Terralytiq logo

Terralytiq

Manufacturing & Processing

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

LineVision logo

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 logo

Highland Park Technologies

Infrastructure & Construction

Insulated cladding and building envelope retrofits at a fraction of the cost

Tato Labs logo

Tato Labs

Manufacturing & Processing

Bioplastic products and packaging solutions made from potato starch

Energetic Insurance logo

Energetic Insurance

Energy & Power

Unlocking solar financing for unrated or below investment grade organizations.

Massachusetts Climatetech Studio logo

Massachusetts Climatetech Studio

Energy & Power

R3 Energy logo

R3 Energy

Energy & Power

IncentiFind logo

IncentiFind

Infrastructure & Construction

Ardent Process Technologies logo

Ardent Process Technologies

Energy & Power

MoveEV logo

MoveEV

Transportation & Logistics

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

Appollo Wind Technologies logo

Appollo Wind Technologies

Infrastructure & Construction

Thola logo

Thola

Energy & Power

On-demand marketplace for commercial building sustainability and safety management

Bodhi logo

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 logo

Biospheric AI

Energy & Power

High-resolution, building-level energy demand forecasts for utilities and more

Carbontec logo

Carbontec

Infrastructure & Construction

Open Ocean Robotics logo

Open Ocean Robotics

Energy & Power

Piaggio Fast Forward logo

Piaggio Fast Forward

Transportation & Logistics

Heartland Industries logo

Heartland Industries

Manufacturing & Processing

Katz Water Technologies logo

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 logo

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 logo

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 logo

Eos Loan

Energy & Power

Blue Sky Analytics logo

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 logo

Medley Thermal

Energy & Power

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

Carbonbase logo

Carbonbase

SeaDeep logo

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. logo

Hicor Technologies Inc.

Energy & Power

sweetgreen logo

sweetgreen

Food, Water, & Land

RenewCO₂ logo

RenewCO₂

Manufacturing & Processing

Sunforge logo

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. logo

Agrilab Technologies Inc.

Food, Water, & Land

Modular compost-aeration and heat-recovery systems

Amogy logo

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 logo

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 logo

Biospheric AI

Energy & Power

High-resolution, building-level energy demand forecasts for utilities and more

Carbontec logo

Carbontec

Infrastructure & Construction

Open Ocean Robotics logo

Open Ocean Robotics

Energy & Power

Piaggio Fast Forward logo

Piaggio Fast Forward

Transportation & Logistics

Heartland Industries logo

Heartland Industries

Manufacturing & Processing

Katz Water Technologies logo

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 logo

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 logo

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 logo

Eos Loan

Energy & Power

Blue Sky Analytics logo

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 logo

Medley Thermal

Energy & Power

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

Carbonbase logo

Carbonbase

SeaDeep logo

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. logo

Hicor Technologies Inc.

Energy & Power

sweetgreen logo

sweetgreen

Food, Water, & Land

RenewCO₂ logo

RenewCO₂

Manufacturing & Processing

Sunforge logo

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. logo

Agrilab Technologies Inc.

Food, Water, & Land

Modular compost-aeration and heat-recovery systems

Amogy logo

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.

Greentown member working in a wet lab
Greentown community members collaborating
Greentown member pipetting in a lab
Greentown members at work in the incubator
[ 03 ]Who We Are

Greentown is a 501(c)(3) nonprofit helping climate entrepreneurs build faster.

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.

[ 04 ]By The Numbers

Our Impact

Our members aren't just building better ways to operate; they're slashing emissions, boosting efficiency, and transforming how we use resources across the world. Now 15 years and counting, the impact speaks for itself.
Capital Mobilized

Our Startups Have Raised Over $0B

2011Now
Startups Supported

All-time

0

Currently home to

0

Global Footprint

0+

Countries Where
Startups Operate

Jobs Created

0

New Jobs Created by Our Members, and Counting

[ 05 ]Our Partners

Where Industry Meets Innovation

Startups bring the breakthroughs. Corporate partners bring the scale, infrastructure, expertise, and capital to make them matter.

  • Amazon
  • Amrize
  • Aramco
  • BCG
  • Chevron
  • Dassault Systemes
  • Emerson
  • Enel
  • Equinor
  • Foley Hoag
  • Fortescue
  • GeSI
  • GE Vernova
  • OnTerris (fka Montrose)
  • Saint-Gobain
  • Shell
  • TotalEnergies
  • Vinson & Elkins
  • Woodside Energy
For Startups

Apply for Membership

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.

Greentown member prototyping hardware in the lab
For Partners
Greentown partners networking at an event

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.

Explore Partnership
Events
Speaker presenting on stage at a Greentown event

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.

View Calendar
For Investors
Founders and investors connecting at a Greentown incubator

Explore Investing

Tap into deal flow with the world’s largest community of climate and energy startups.

Explore Investing