Transforming industry

We support climatetech startups working on innovations to transform our key industrial and energy systems for a sustainable future.

Membership Benefits
Greentown member explaining a prototype to a partner
[ 01 ]Who We Are

We're big believers in the power of entrepreneurship.

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

But 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.

[ 03 ]Our Startups

Our Member Companies

View All Startups
Daniel Consulting Group, LLC logo

Daniel Consulting Group, LLC

Energy & Power

Helping researchers improve battery and cell testing and providing due diligence for potential investors

Zero Homes logo

Zero Homes

Infrastructure & Construction

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

AdaViv logo

AdaViv

Food, Water, & Land

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

Revterra logo

Revterra

Energy & Power

Kinetic stabilizer for instant grid stabilization for industrial manufacturing, data centers, and rapid EV charging

frakktal logo

frakktal

Manufacturing & Processing

Biobased polymer process to upend PVC overuse

REON Technology logo

REON Technology

Energy & Power

AI-driven optimization of systems through tailored power management of batteries and PV panels for energy storage

Conduit Tech logo

Conduit Tech

Infrastructure & Construction

Supporting HVAC contractors through design, sales, and installation

Ententia logo

Ententia

Energy & Power

Trusted, scalable enterprise AI solutions that turn context into competitive advantage

EnergyGigs logo

EnergyGigs

Food, Water, & Land

Talent and freelance platform for the energy industry

Decimetrix logo

Decimetrix

Energy & Power

AI platform to help clients measure their carbon footprint

Saint-Gobain (Member Account) logo

Saint-Gobain (Member Account)

Infrastructure & Construction

Worldwide leader in light and sustainable construction

Thalon Materials logo

Thalon Materials

Fluor Enterprises, Inc. logo

Fluor Enterprises, Inc.

Energy & Power

Leading global engineering, procurement and construction (EPC) company

Packwise logo

Packwise

Manufacturing & Processing

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

NewGrid logo

NewGrid

Energy & Power

Software and services to enable system operators, utilities, and power market participants to reduce grid congestion

Agrilab Technologies Inc. logo

Agrilab Technologies Inc.

Food, Water, & Land

Modular compost-aeration and heat-recovery systems

Rafi Properties logo

Rafi Properties

Infrastructure & Construction

Alma Energy logo

Alma Energy

Energy & Power

Geothermal exploration to deliver scaled renewable energy production at economic levels

CLS Wind logo

CLS Wind

Energy & Power

Self-erecting system for installing wind turbines

Mithril Technologies logo

Mithril Technologies

Infrastructure & Construction

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

Daniel Consulting Group, LLC logo

Daniel Consulting Group, LLC

Energy & Power

Helping researchers improve battery and cell testing and providing due diligence for potential investors

Zero Homes logo

Zero Homes

Infrastructure & Construction

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

AdaViv logo

AdaViv

Food, Water, & Land

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

Revterra logo

Revterra

Energy & Power

Kinetic stabilizer for instant grid stabilization for industrial manufacturing, data centers, and rapid EV charging

frakktal logo

frakktal

Manufacturing & Processing

Biobased polymer process to upend PVC overuse

REON Technology logo

REON Technology

Energy & Power

AI-driven optimization of systems through tailored power management of batteries and PV panels for energy storage

Conduit Tech logo

Conduit Tech

Infrastructure & Construction

Supporting HVAC contractors through design, sales, and installation

Ententia logo

Ententia

Energy & Power

Trusted, scalable enterprise AI solutions that turn context into competitive advantage

EnergyGigs logo

EnergyGigs

Food, Water, & Land

Talent and freelance platform for the energy industry

Decimetrix logo

Decimetrix

Energy & Power

AI platform to help clients measure their carbon footprint

Saint-Gobain (Member Account) logo

Saint-Gobain (Member Account)

Infrastructure & Construction

Worldwide leader in light and sustainable construction

Thalon Materials logo

Thalon Materials

Fluor Enterprises, Inc. logo

Fluor Enterprises, Inc.

Energy & Power

Leading global engineering, procurement and construction (EPC) company

Packwise logo

Packwise

Manufacturing & Processing

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

NewGrid logo

NewGrid

Energy & Power

Software and services to enable system operators, utilities, and power market participants to reduce grid congestion

Agrilab Technologies Inc. logo

Agrilab Technologies Inc.

Food, Water, & Land

Modular compost-aeration and heat-recovery systems

Rafi Properties logo

Rafi Properties

Infrastructure & Construction

Alma Energy logo

Alma Energy

Energy & Power

Geothermal exploration to deliver scaled renewable energy production at economic levels

CLS Wind logo

CLS Wind

Energy & Power

Self-erecting system for installing wind turbines

Mithril Technologies logo

Mithril Technologies

Infrastructure & Construction

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

Adiabatic Materials logo

Adiabatic Materials

Manufacturing & Processing

Unlocking clean, affordable chemical production with electricity

Wellbore Consultants logo

Wellbore Consultants

Energy & Power

Advanced subsurface stimulation systems to improve resource recovery while reducing energy intensity, water usage, and surface impact

Coflux Purification, Inc logo

Coflux Purification, Inc

Food, Water, & Land

A modular, on-site water treatment system eliminating persistent contaminants from water and industrial waste streams

Timbergrove logo

Timbergrove

Energy & Power

Building AI + IoT solutions that connect and optimize assets, boosting visibility, safety, and efficiency

Cemvita logo

Cemvita

Manufacturing & Processing

Engineered microbes to transform CO₂ and other wastes into valuable compounds, closing the carbon and waste loop

Emrod logo

Emrod

Energy & Power

Sustainable power with long-range wireless power transfer technology

Thiozen logo

Thiozen

Manufacturing & Processing

Chemical waste-to-hydrogen cycle that removes hydrogen sulfide from gas streams and generates zero-emission hydrogen

Reframe Systems logo

Reframe Systems

Infrastructure & Construction

Offsite construction of zero-carbon buildings with volumetric modules manufactured with robotic microfactories

Priority Investor Loans logo

Priority Investor Loans

Infrastructure & Construction

Simplified loan programs to fund real estate investors nationwide with income-producing properties

Browning the Green Space logo

Browning the Green Space

Food, Water, & Land

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

AeroShield Materials logo

AeroShield Materials

Infrastructure & Construction

Insulating, porous aerogels for energy-efficient windows

change:WATER Labs logo

change:WATER Labs

Food, Water, & Land

Low-cost, compact, waterless toilet for non-sewered households and communities

Teknobuilt logo

Teknobuilt

Infrastructure & Construction

Cloud-based construction project management software

Dandelion Energy logo

Dandelion Energy

Infrastructure & Construction

Geothermal heating and cooling systems for homes

InnoEnergy (Member Account) logo

InnoEnergy (Member Account)

Energy & Power

Industrializing cleantech innovation to enable and grow a global net-zero economy

ONEPREDICT logo

ONEPREDICT

Manufacturing & Processing

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

FAST Metals logo

FAST Metals

Manufacturing & Processing

Hydrometallurgical-recovery process for extracting rare-earth elements from industrial tailings

Elemental Advanced Materials logo

Elemental Advanced Materials

Manufacturing & Processing

Graphene and hydrogen from mixed and contaminated waste plastics and other organic materials

COI Energy logo

COI Energy

Energy & Power

AI and machine learning to predict and prevent energy waste

Ivys Energy Solutions logo

Ivys Energy Solutions

Energy & Power

On-site hydrogen-generation and -dispensing appliance that uses water and electricity to make fuel-cell-grade hydrogen

Adiabatic Materials logo

Adiabatic Materials

Manufacturing & Processing

Unlocking clean, affordable chemical production with electricity

Wellbore Consultants logo

Wellbore Consultants

Energy & Power

Advanced subsurface stimulation systems to improve resource recovery while reducing energy intensity, water usage, and surface impact

Coflux Purification, Inc logo

Coflux Purification, Inc

Food, Water, & Land

A modular, on-site water treatment system eliminating persistent contaminants from water and industrial waste streams

Timbergrove logo

Timbergrove

Energy & Power

Building AI + IoT solutions that connect and optimize assets, boosting visibility, safety, and efficiency

Cemvita logo

Cemvita

Manufacturing & Processing

Engineered microbes to transform CO₂ and other wastes into valuable compounds, closing the carbon and waste loop

Emrod logo

Emrod

Energy & Power

Sustainable power with long-range wireless power transfer technology

Thiozen logo

Thiozen

Manufacturing & Processing

Chemical waste-to-hydrogen cycle that removes hydrogen sulfide from gas streams and generates zero-emission hydrogen

Reframe Systems logo

Reframe Systems

Infrastructure & Construction

Offsite construction of zero-carbon buildings with volumetric modules manufactured with robotic microfactories

Priority Investor Loans logo

Priority Investor Loans

Infrastructure & Construction

Simplified loan programs to fund real estate investors nationwide with income-producing properties

Browning the Green Space logo

Browning the Green Space

Food, Water, & Land

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

AeroShield Materials logo

AeroShield Materials

Infrastructure & Construction

Insulating, porous aerogels for energy-efficient windows

change:WATER Labs logo

change:WATER Labs

Food, Water, & Land

Low-cost, compact, waterless toilet for non-sewered households and communities

Teknobuilt logo

Teknobuilt

Infrastructure & Construction

Cloud-based construction project management software

Dandelion Energy logo

Dandelion Energy

Infrastructure & Construction

Geothermal heating and cooling systems for homes

InnoEnergy (Member Account) logo

InnoEnergy (Member Account)

Energy & Power

Industrializing cleantech innovation to enable and grow a global net-zero economy

ONEPREDICT logo

ONEPREDICT

Manufacturing & Processing

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

FAST Metals logo

FAST Metals

Manufacturing & Processing

Hydrometallurgical-recovery process for extracting rare-earth elements from industrial tailings

Elemental Advanced Materials logo

Elemental Advanced Materials

Manufacturing & Processing

Graphene and hydrogen from mixed and contaminated waste plastics and other organic materials

COI Energy logo

COI Energy

Energy & Power

AI and machine learning to predict and prevent energy waste

Ivys Energy Solutions logo

Ivys Energy Solutions

Energy & Power

On-site hydrogen-generation and -dispensing appliance that uses water and electricity to make fuel-cell-grade 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