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
NeuroBionics logo

NeuroBionics

Manufacturing & Processing

Sustainability-focused device for minimally-invasive endovascular deep-brain stimulation for stroke rehabilitation

EarthEn logo

EarthEn

Energy & Power

Enabling electrification through CO₂-based thermodynamic cycle

PV Nano Cell logo

PV Nano Cell

Energy & Power

Advanced nano conductive pastes enabling finer, faster, and more efficient metallization for next-gen solar cells

Terralytiq logo

Terralytiq

Manufacturing & Processing

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

Agrilab Technologies Inc. logo

Agrilab Technologies Inc.

Food, Water, & Land

Modular compost-aeration and heat-recovery systems

Innovator Energy logo

Innovator Energy

Energy & Power

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

Sweetch Energy logo

Sweetch Energy

Energy & Power

Membrane-based technology that taps into osmotic power

Amplified Industries logo

Amplified Industries

Infrastructure & Construction

AI-driven control solution for oil wells using acoustic signals and edge computing to reduce costs and detect issues

Prophet AI logo

Prophet AI

Food, Water, & Land

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

Imperium Technologies logo

Imperium Technologies

Energy & Power

Reducing industrial heating emissions with electrochemical processes

Sora Fuel Corporation logo

Sora Fuel Corporation

Transportation & Logistics

Cost-effective sustainable aviation fuel

Licube logo

Licube

Manufacturing & Processing

Sustainable lithium recovery through electrodialysis

Monaire logo

Monaire

Infrastructure & Construction

Reducing HVAC energy use and repair costs for small commercial buildings

Electric Hydrogen logo

Electric Hydrogen

Energy & Power

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

AdaViv logo

AdaViv

Food, Water, & Land

Hardware-enabled crop-care software for greenhouse and indoor growers to maximize quality yields without added labor

10DQ logo

10DQ

Energy & Power

Battery tech for long-duration energy storage at lower costs and improved safety

Packwise logo

Packwise

Manufacturing & Processing

IIoT sensors combined with a software and analytics platform to optimize industrial supply chains

Resollant logo

Resollant

Manufacturing & Processing

Enables industrial-scale hydrogen & syngas production while capturing carbon as a monetizable solid at scale

Vecarius logo

Vecarius

Infrastructure & Construction

Heat-to-electricity technology to boost energy efficiency in mass markets

Rafi Properties logo

Rafi Properties

Infrastructure & Construction

NeuroBionics logo

NeuroBionics

Manufacturing & Processing

Sustainability-focused device for minimally-invasive endovascular deep-brain stimulation for stroke rehabilitation

EarthEn logo

EarthEn

Energy & Power

Enabling electrification through CO₂-based thermodynamic cycle

PV Nano Cell logo

PV Nano Cell

Energy & Power

Advanced nano conductive pastes enabling finer, faster, and more efficient metallization for next-gen solar cells

Terralytiq logo

Terralytiq

Manufacturing & Processing

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

Agrilab Technologies Inc. logo

Agrilab Technologies Inc.

Food, Water, & Land

Modular compost-aeration and heat-recovery systems

Innovator Energy logo

Innovator Energy

Energy & Power

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

Sweetch Energy logo

Sweetch Energy

Energy & Power

Membrane-based technology that taps into osmotic power

Amplified Industries logo

Amplified Industries

Infrastructure & Construction

AI-driven control solution for oil wells using acoustic signals and edge computing to reduce costs and detect issues

Prophet AI logo

Prophet AI

Food, Water, & Land

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

Imperium Technologies logo

Imperium Technologies

Energy & Power

Reducing industrial heating emissions with electrochemical processes

Sora Fuel Corporation logo

Sora Fuel Corporation

Transportation & Logistics

Cost-effective sustainable aviation fuel

Licube logo

Licube

Manufacturing & Processing

Sustainable lithium recovery through electrodialysis

Monaire logo

Monaire

Infrastructure & Construction

Reducing HVAC energy use and repair costs for small commercial buildings

Electric Hydrogen logo

Electric Hydrogen

Energy & Power

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

AdaViv logo

AdaViv

Food, Water, & Land

Hardware-enabled crop-care software for greenhouse and indoor growers to maximize quality yields without added labor

10DQ logo

10DQ

Energy & Power

Battery tech for long-duration energy storage at lower costs and improved safety

Packwise logo

Packwise

Manufacturing & Processing

IIoT sensors combined with a software and analytics platform to optimize industrial supply chains

Resollant logo

Resollant

Manufacturing & Processing

Enables industrial-scale hydrogen & syngas production while capturing carbon as a monetizable solid at scale

Vecarius logo

Vecarius

Infrastructure & Construction

Heat-to-electricity technology to boost energy efficiency in mass markets

Rafi Properties logo

Rafi Properties

Infrastructure & Construction

Manatee Energy logo

Manatee Energy

Infrastructure & Construction

Rigorous and automated system design for affordable home heat pumps

Vertical Semiconductor logo

Vertical Semiconductor

Energy & Power

Power supply units designed to unleash the full potential of AI & HPC

Saint-Gobain (Member Account) logo

Saint-Gobain (Member Account)

Infrastructure & Construction

Worldwide leader in light and sustainable construction

ONEPREDICT logo

ONEPREDICT

Manufacturing & Processing

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

Respire Energy logo

Respire Energy

Energy & Power

Safe, low-cost, and long-duration metal-air battery designed for microgrids

AllSpice.io logo

AllSpice.io

Infrastructure & Construction

A collaboration hub for hardware teams with revision control, design reviews, and releases

Octavia Carbon Co logo

Octavia Carbon Co

Manufacturing & Processing

Geothermal heat to capture and mineralize CO₂

Kauel logo

Kauel

Energy & Power

Software that detects industrial threats to prevent environmental risks and catastrophes

Trellis Air logo

Trellis Air

Infrastructure & Construction

Membrane-based dehumidifiers that are vastly more energy-efficient than desiccant wheels and standalone dehumidifiers

Kausalyze logo

Kausalyze

Manufacturing & Processing

True root-cause analysis for chemicals, energy, and pharmaceutical companies

Infinite Foundry logo

Infinite Foundry

Manufacturing & Processing

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

Mithril Technologies logo

Mithril Technologies

Infrastructure & Construction

Reshapable reflectors for advanced antennas & radars for space-based earth and severe weather monitoring

Datavedik logo

Datavedik

Energy & Power

Addressing complex optimization challenges in the energy industry

MCatalysis logo

MCatalysis

Manufacturing & Processing

Converting waste carbon into low-cost clean fuels with advanced microwave and catalyst technology

Ohm Analytics logo

Ohm Analytics

Energy & Power

Aggregating clean energy data based on thousands of sources for visibility and intelligence in the U.S. solar market

Thola logo

Thola

Energy & Power

On-demand marketplace for commercial building sustainability and safety management

Zero Homes logo

Zero Homes

Infrastructure & Construction

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

NONA Technologies logo

NONA Technologies

Food, Water, & Land

Desalinating brackish water with 60% less electricity, fewer chemical inputs, and less downtime

Dottir Labs logo

Dottir Labs

Food, Water, & Land

Sensor technology that provides real-time, detailed chemical analysis of water

Alma Energy logo

Alma Energy

Energy & Power

Geothermal exploration to deliver scaled renewable energy production at economic levels

Manatee Energy logo

Manatee Energy

Infrastructure & Construction

Rigorous and automated system design for affordable home heat pumps

Vertical Semiconductor logo

Vertical Semiconductor

Energy & Power

Power supply units designed to unleash the full potential of AI & HPC

Saint-Gobain (Member Account) logo

Saint-Gobain (Member Account)

Infrastructure & Construction

Worldwide leader in light and sustainable construction

ONEPREDICT logo

ONEPREDICT

Manufacturing & Processing

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

Respire Energy logo

Respire Energy

Energy & Power

Safe, low-cost, and long-duration metal-air battery designed for microgrids

AllSpice.io logo

AllSpice.io

Infrastructure & Construction

A collaboration hub for hardware teams with revision control, design reviews, and releases

Octavia Carbon Co logo

Octavia Carbon Co

Manufacturing & Processing

Geothermal heat to capture and mineralize CO₂

Kauel logo

Kauel

Energy & Power

Software that detects industrial threats to prevent environmental risks and catastrophes

Trellis Air logo

Trellis Air

Infrastructure & Construction

Membrane-based dehumidifiers that are vastly more energy-efficient than desiccant wheels and standalone dehumidifiers

Kausalyze logo

Kausalyze

Manufacturing & Processing

True root-cause analysis for chemicals, energy, and pharmaceutical companies

Infinite Foundry logo

Infinite Foundry

Manufacturing & Processing

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

Mithril Technologies logo

Mithril Technologies

Infrastructure & Construction

Reshapable reflectors for advanced antennas & radars for space-based earth and severe weather monitoring

Datavedik logo

Datavedik

Energy & Power

Addressing complex optimization challenges in the energy industry

MCatalysis logo

MCatalysis

Manufacturing & Processing

Converting waste carbon into low-cost clean fuels with advanced microwave and catalyst technology

Ohm Analytics logo

Ohm Analytics

Energy & Power

Aggregating clean energy data based on thousands of sources for visibility and intelligence in the U.S. solar market

Thola logo

Thola

Energy & Power

On-demand marketplace for commercial building sustainability and safety management

Zero Homes logo

Zero Homes

Infrastructure & Construction

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

NONA Technologies logo

NONA Technologies

Food, Water, & Land

Desalinating brackish water with 60% less electricity, fewer chemical inputs, and less downtime

Dottir Labs logo

Dottir Labs

Food, Water, & Land

Sensor technology that provides real-time, detailed chemical analysis of water

Alma Energy logo

Alma Energy

Energy & Power

Geothermal exploration to deliver scaled renewable energy production at economic levels

[ 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