Helping entrepreneursTransformindustry

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

Breakthroughs don't scale in isolation.

They scale when entire ecosystems move together: founders, corporates, capital, policy, and communities, united by a shared purpose of propelling groundbreaking technologies to market, at the pace the world requires.

Transforming the systems that power, move, feed, and connect the world is the work of our time, and startups hold the key.

Our Vision

Greentown is a 501(c)(3) non-profit organization

[ 03 ]Our Startups

Our Member Companies

View All Startups
Infinite Foundry logo

Infinite Foundry

Manufacturing & Processing

Real-time 3D operational models to improve efficiency, lower costs, and enhance sustainability

Tato Labs logo

Tato Labs

Manufacturing & Processing

Bioplastic products and packaging solutions made from potato starch

LOCOAL logo

LOCOAL

Manufacturing & Processing

Turning waste into value, and producing clean energy, biofuels, and carbon credits

Onvector logo

Onvector

Infrastructure & Construction

Non-chemical water treatment using plasma to rid water of PFAS and more

Optigon logo

Optigon

Energy & Power

Rapid, contactless characterization for assessing performance during photovoltaic solar cell fabrication

RIVSAL HOLDINGS INC. logo

RIVSAL HOLDINGS INC.

Energy & Power

Power plants that run on water and deliver electricity to avoid grid vulnerability and energy price volatility

Cala Systems logo

Cala Systems

Energy & Power

Intelligent heat-pump water heaters

ThermaFuels logo

ThermaFuels

Transportation & Logistics

Deploying scalable, financeable low-carbon methanol and sustainable fuel infrastructure

KP Labs logo

KP Labs

Manufacturing & Processing

Modular, biomembrane-based systems for on-site recovery of critical metals from e-waste and industrial residues

Carbion logo

Carbion

Manufacturing & Processing

Affordable and clean biomass transformation to graphite for batteries

Conduit Tech logo

Conduit Tech

Infrastructure & Construction

Supporting HVAC contractors through design, sales, and installation

eSki Watercraft logo

eSki Watercraft

Energy & Power

Electric personal watercraft

Mars Materials logo

Mars Materials

Manufacturing & Processing

Converting CO₂ and biomass into acrylonitrile

Transaera logo

Transaera

Infrastructure & Construction

Ultra-efficient air conditioning using a novel desiccant material

WhaleSpotter logo

WhaleSpotter

Transportation & Logistics

Thermal imaging and AI to prevent marine mammal strikes at sea

Innovator Energy logo

Innovator Energy

Energy & Power

Developing and deploying solutions in cooling, heating, and heat transfer

Browning the Green Space logo

Browning the Green Space

Food, Water, & Land

Addressing diversity, equity, and inclusion across careers, companies, contracts, capital, and communities

ONEPREDICT logo

ONEPREDICT

Manufacturing & Processing

Predicting and diagnosing the status of key industrial assets for the energy and manufacturing industries

Diffraqtion logo

Diffraqtion

Energy & Power

AI cameras powering ultra high-resolution Earth and Space imaging

Nominal logo

Nominal

Manufacturing & Processing

Software that lets hardware teams test and iterate as fast as software teams

Infinite Foundry logo

Infinite Foundry

Manufacturing & Processing

Real-time 3D operational models to improve efficiency, lower costs, and enhance sustainability

Tato Labs logo

Tato Labs

Manufacturing & Processing

Bioplastic products and packaging solutions made from potato starch

LOCOAL logo

LOCOAL

Manufacturing & Processing

Turning waste into value, and producing clean energy, biofuels, and carbon credits

Onvector logo

Onvector

Infrastructure & Construction

Non-chemical water treatment using plasma to rid water of PFAS and more

Optigon logo

Optigon

Energy & Power

Rapid, contactless characterization for assessing performance during photovoltaic solar cell fabrication

RIVSAL HOLDINGS INC. logo

RIVSAL HOLDINGS INC.

Energy & Power

Power plants that run on water and deliver electricity to avoid grid vulnerability and energy price volatility

Cala Systems logo

Cala Systems

Energy & Power

Intelligent heat-pump water heaters

ThermaFuels logo

ThermaFuels

Transportation & Logistics

Deploying scalable, financeable low-carbon methanol and sustainable fuel infrastructure

KP Labs logo

KP Labs

Manufacturing & Processing

Modular, biomembrane-based systems for on-site recovery of critical metals from e-waste and industrial residues

Carbion logo

Carbion

Manufacturing & Processing

Affordable and clean biomass transformation to graphite for batteries

Conduit Tech logo

Conduit Tech

Infrastructure & Construction

Supporting HVAC contractors through design, sales, and installation

eSki Watercraft logo

eSki Watercraft

Energy & Power

Electric personal watercraft

Mars Materials logo

Mars Materials

Manufacturing & Processing

Converting CO₂ and biomass into acrylonitrile

Transaera logo

Transaera

Infrastructure & Construction

Ultra-efficient air conditioning using a novel desiccant material

WhaleSpotter logo

WhaleSpotter

Transportation & Logistics

Thermal imaging and AI to prevent marine mammal strikes at sea

Innovator Energy logo

Innovator Energy

Energy & Power

Developing and deploying solutions in cooling, heating, and heat transfer

Browning the Green Space logo

Browning the Green Space

Food, Water, & Land

Addressing diversity, equity, and inclusion across careers, companies, contracts, capital, and communities

ONEPREDICT logo

ONEPREDICT

Manufacturing & Processing

Predicting and diagnosing the status of key industrial assets for the energy and manufacturing industries

Diffraqtion logo

Diffraqtion

Energy & Power

AI cameras powering ultra high-resolution Earth and Space imaging

Nominal logo

Nominal

Manufacturing & Processing

Software that lets hardware teams test and iterate as fast as software teams

Lasso Labs logo

Lasso Labs

Food, Water, & Land

Using natural proteins to create real texture in alternative foods

Mission Zero Technologies logo

Mission Zero Technologies

Manufacturing & Processing

Efficient electrochemistry to capture CO₂

HarvestAi logo

HarvestAi

Food, Water, & Land

Computer vision and AI to provide greenhouse operators with automated data for optimized harvest planning

NewGenium logo

NewGenium

Energy & Power

Advanced brine-to-battery grade LFP technology

Capro-X logo

Capro-X

Food, Water, & Land

Sustainable biochemicals made from food waste at food production plants, creating alternatives to palm-oil chemicals

Zero Homes logo

Zero Homes

Infrastructure & Construction

Automated assessment, design, and procurement platform for residential building retrofits

MagDrive Technologies Inc. logo

MagDrive Technologies Inc.

Manufacturing & Processing

Eliminating fugitive emissions and delivering zero-leak performance and durability

Anvil Capture Systems logo

Anvil Capture Systems

Manufacturing & Processing

CO2 direct air mineralization process, delivering carbon dioxide removal

SWERV logo

SWERV

Infrastructure & Construction

Making homes healthier, more comfortable, and more energy efficient through reimagined and easy to install ventilation

Dsider logo

Dsider

Energy & Power

SaaS platform to accelerate the expansion of energy-transition projects

ATS Energy logo

ATS Energy

Energy & Power

Converting waste heat into power without any moving parts

SPHINX INC logo

SPHINX INC

Energy & Power

High-speed 24/7 energy trading with blockchain clarity and instant settlement

Kauel logo

Kauel

Energy & Power

Software that detects industrial threats to prevent environmental risks and catastrophes

Emrod logo

Emrod

Energy & Power

Sustainable power with long-range wireless power transfer technology

Prophet AI logo

Prophet AI

Food, Water, & Land

AI-based poultry-health-monitoring system to reduce chicken mortality, save revenue, and avoid carbon emissions

Aluminum Technologies logo

Aluminum Technologies

Manufacturing & Processing

Low-GHG primary aluminum production with Carbo-Chloride Reduction

Wootz logo

Wootz

Manufacturing & Processing

Carbon nanotube supermaterials to replace or augment traditional metallic conductors

Manatee Energy logo

Manatee Energy

Infrastructure & Construction

Rigorous and automated system design for affordable home heat pumps

GS Vortex Systems logo

GS Vortex Systems

Food, Water, & Land

Hydrodynamic flow technology reducing flow resistance through pipes

Electric Hydrogen logo

Electric Hydrogen

Energy & Power

Manufactureing the world’s most powerful electrolyzers to produce the lowest cost clean hydrogen

Lasso Labs logo

Lasso Labs

Food, Water, & Land

Using natural proteins to create real texture in alternative foods

Mission Zero Technologies logo

Mission Zero Technologies

Manufacturing & Processing

Efficient electrochemistry to capture CO₂

HarvestAi logo

HarvestAi

Food, Water, & Land

Computer vision and AI to provide greenhouse operators with automated data for optimized harvest planning

NewGenium logo

NewGenium

Energy & Power

Advanced brine-to-battery grade LFP technology

Capro-X logo

Capro-X

Food, Water, & Land

Sustainable biochemicals made from food waste at food production plants, creating alternatives to palm-oil chemicals

Zero Homes logo

Zero Homes

Infrastructure & Construction

Automated assessment, design, and procurement platform for residential building retrofits

MagDrive Technologies Inc. logo

MagDrive Technologies Inc.

Manufacturing & Processing

Eliminating fugitive emissions and delivering zero-leak performance and durability

Anvil Capture Systems logo

Anvil Capture Systems

Manufacturing & Processing

CO2 direct air mineralization process, delivering carbon dioxide removal

SWERV logo

SWERV

Infrastructure & Construction

Making homes healthier, more comfortable, and more energy efficient through reimagined and easy to install ventilation

Dsider logo

Dsider

Energy & Power

SaaS platform to accelerate the expansion of energy-transition projects

ATS Energy logo

ATS Energy

Energy & Power

Converting waste heat into power without any moving parts

SPHINX INC logo

SPHINX INC

Energy & Power

High-speed 24/7 energy trading with blockchain clarity and instant settlement

Kauel logo

Kauel

Energy & Power

Software that detects industrial threats to prevent environmental risks and catastrophes

Emrod logo

Emrod

Energy & Power

Sustainable power with long-range wireless power transfer technology

Prophet AI logo

Prophet AI

Food, Water, & Land

AI-based poultry-health-monitoring system to reduce chicken mortality, save revenue, and avoid carbon emissions

Aluminum Technologies logo

Aluminum Technologies

Manufacturing & Processing

Low-GHG primary aluminum production with Carbo-Chloride Reduction

Wootz logo

Wootz

Manufacturing & Processing

Carbon nanotube supermaterials to replace or augment traditional metallic conductors

Manatee Energy logo

Manatee Energy

Infrastructure & Construction

Rigorous and automated system design for affordable home heat pumps

GS Vortex Systems logo

GS Vortex Systems

Food, Water, & Land

Hydrodynamic flow technology reducing flow resistance through pipes

Electric Hydrogen logo

Electric Hydrogen

Energy & Power

Manufactureing the world’s most powerful electrolyzers to produce the lowest cost clean hydrogen

[ 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

12,915 new jobs created by our members, and counting

Boston

7,492

Houston

5,423

[ 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
  • Microsoft
  • 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
Programs
Two Greentown program participants in the lab

Learn About our Programs

In addition to our Boston and Houston incubators, Greentown runs programs designed to address critical challenges in the climatetech ecosystem.

Explore Programs