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
Revvit logo

Revvit

Infrastructure & Construction

Low-cost, simple EV charging at commercial, multifamily, fleet parking, and public properties

SWERV logo

SWERV

Infrastructure & Construction

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

Cocoa Potash logo

Cocoa Potash

Food, Water, & Land

Diffraqtion logo

Diffraqtion

Energy & Power

AI cameras powering ultra high-resolution Earth and Space imaging

Julius Education logo

Julius Education

Infrastructure & Construction

Helping green organizations manage the changing workforce through an experience platform for job-seekers

Tato Labs logo

Tato Labs

Manufacturing & Processing

Bioplastic products and packaging solutions made from potato starch

Active Surfaces logo

Active Surfaces

Energy & Power

Flexible, lightweight solar panels that turn any surface into solar

AgZen logo

AgZen

Food, Water, & Land

AI that monitors leaf coverage during spraying to reduce pesticide usage

Massachusetts Materials Technologies logo

Massachusetts Materials Technologies

Energy & Power

Seamlessly measuring the mechanical properties of pipelines without interruption

Solar Materials logo

Solar Materials

Energy & Power

Recovered and recycled secondary solar panel materials

QEA Tech logo

QEA Tech

Energy & Power

Precise, data-driven building-envelope audits using patented AI software, drones, and thermography

American Battery Technology Company logo

American Battery Technology Company

Energy & Power

Advanced technology, first-mover lithium-ion battery recycling and primary battery metal extraction company

Fresh Inset logo

Fresh Inset

Food, Water, & Land

Improving fresh produce’s shelf life, appearance, and quality

Universal Matter Inc. logo

Universal Matter Inc.

Manufacturing & Processing

Producing graphene from carbon waste streams

PlaSene logo

PlaSene

Manufacturing & Processing

Converting plastic waste into liquid fuel and low-carbon hydrogen

Suyana Climate Insurance logo

Suyana Climate Insurance

Lite-1 logo

Lite-1

Manufacturing & Processing

Clean, scalable, microbe-made colour to replace toxic dyes

Overstory logo

Overstory

Food, Water, & Land

Minimizing vegetation contact with power lines using satellite imagery, climate data, and machine learning

BlueShift Carbon logo

BlueShift Carbon

Manufacturing & Processing

Electrochemical CO₂-removal solution that’s low-cost, energy-efficient, redox-based, and membrane-free

PooPoof Inc logo

PooPoof Inc

Food, Water, & Land

The world’s first pocket-sized bioreactor

Revvit logo

Revvit

Infrastructure & Construction

Low-cost, simple EV charging at commercial, multifamily, fleet parking, and public properties

SWERV logo

SWERV

Infrastructure & Construction

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

Cocoa Potash logo

Cocoa Potash

Food, Water, & Land

Diffraqtion logo

Diffraqtion

Energy & Power

AI cameras powering ultra high-resolution Earth and Space imaging

Julius Education logo

Julius Education

Infrastructure & Construction

Helping green organizations manage the changing workforce through an experience platform for job-seekers

Tato Labs logo

Tato Labs

Manufacturing & Processing

Bioplastic products and packaging solutions made from potato starch

Active Surfaces logo

Active Surfaces

Energy & Power

Flexible, lightweight solar panels that turn any surface into solar

AgZen logo

AgZen

Food, Water, & Land

AI that monitors leaf coverage during spraying to reduce pesticide usage

Massachusetts Materials Technologies logo

Massachusetts Materials Technologies

Energy & Power

Seamlessly measuring the mechanical properties of pipelines without interruption

Solar Materials logo

Solar Materials

Energy & Power

Recovered and recycled secondary solar panel materials

QEA Tech logo

QEA Tech

Energy & Power

Precise, data-driven building-envelope audits using patented AI software, drones, and thermography

American Battery Technology Company logo

American Battery Technology Company

Energy & Power

Advanced technology, first-mover lithium-ion battery recycling and primary battery metal extraction company

Fresh Inset logo

Fresh Inset

Food, Water, & Land

Improving fresh produce’s shelf life, appearance, and quality

Universal Matter Inc. logo

Universal Matter Inc.

Manufacturing & Processing

Producing graphene from carbon waste streams

PlaSene logo

PlaSene

Manufacturing & Processing

Converting plastic waste into liquid fuel and low-carbon hydrogen

Suyana Climate Insurance logo

Suyana Climate Insurance

Lite-1 logo

Lite-1

Manufacturing & Processing

Clean, scalable, microbe-made colour to replace toxic dyes

Overstory logo

Overstory

Food, Water, & Land

Minimizing vegetation contact with power lines using satellite imagery, climate data, and machine learning

BlueShift Carbon logo

BlueShift Carbon

Manufacturing & Processing

Electrochemical CO₂-removal solution that’s low-cost, energy-efficient, redox-based, and membrane-free

PooPoof Inc logo

PooPoof Inc

Food, Water, & Land

The world’s first pocket-sized bioreactor

Solas Capture logo

Solas Capture

Solas Capture is developing a sunlight-powered process for sustainable lithium carbonate production using novel photobase chemistry. Our technology converts lithium brines and CO₂ into battery-grade materials with lower energy use, reduced waste, and a significantly smaller environmental footprint than conventional methods.

Pike Robotics logo

Pike Robotics

Energy & Power

Wall-crawling robots with advanced sensors to perform in-service inspections inside hazardous spaces

Ensovi logo

Ensovi

Manufacturing & Processing

Cofactor recycling platform for sustainable drug manufacturing

Phoenix Tailings logo

Phoenix Tailings

Manufacturing & Processing

Waste-free, net-zero, cost-competitive rare-earth-metal refining

Electric Hydrogen logo

Electric Hydrogen

Energy & Power

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

Latitude Media logo

Latitude Media

News, podcasts, market intelligence, and events for the climatetech industry

Prithvi Ventures logo

Prithvi Ventures

Investing in startups reducing emissions with unique solutions for net-zero goals

TransOceans Clean Energy Risk, LLC logo

TransOceans Clean Energy Risk, LLC

Energy & Power

Risk management solutions for global clean tech risk portfolios

Upgraid logo

Upgraid

Infrastructure & Construction

AI and satellite data that diagnose buildings and run energy simulations, to produce ready-to-pitch upgrade proposals

Catalyxx logo

Catalyxx

Manufacturing & Processing

Catalytic tech to turn bio-ethanol into high-value, carbon-negative chemicals

Aeromine Technologies, Inc. logo

Aeromine Technologies, Inc.

Energy & Power

Bladeless, motionless wind turbines for the built environment

MoveEV logo

MoveEV

Transportation & Logistics

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

AllSpice.io logo

AllSpice.io

Infrastructure & Construction

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

ZERO Homes logo

ZERO Homes

Infrastructure & Construction

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

FLUIDXLAB Americas Inc. logo

FLUIDXLAB Americas Inc.

Manufacturing & Processing

AI-powered microfluidic tools that help control and improve fluid processes across many industries

Lasso Labs logo

Lasso Labs

Food, Water, & Land

Using natural proteins to create real texture in alternative foods

Biosimo logo

Biosimo

Manufacturing & Processing

Biosimo makes eco-friendly chemicals from plant waste using a clean, low-cost process

String Data Motion logo

String Data Motion

Infrastructure & Construction

Agentic AI for energy companies. Agents in motion. Outcomes delivered.

3D Architech, Inc. logo

3D Architech, Inc.

Manufacturing & Processing

Ultra-fine and gel-based metal manufacturing, creating high-efficiency microstructures for cooling and clean energy

NewGrid logo

NewGrid

Energy & Power

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

Solas Capture logo

Solas Capture

Solas Capture is developing a sunlight-powered process for sustainable lithium carbonate production using novel photobase chemistry. Our technology converts lithium brines and CO₂ into battery-grade materials with lower energy use, reduced waste, and a significantly smaller environmental footprint than conventional methods.

Pike Robotics logo

Pike Robotics

Energy & Power

Wall-crawling robots with advanced sensors to perform in-service inspections inside hazardous spaces

Ensovi logo

Ensovi

Manufacturing & Processing

Cofactor recycling platform for sustainable drug manufacturing

Phoenix Tailings logo

Phoenix Tailings

Manufacturing & Processing

Waste-free, net-zero, cost-competitive rare-earth-metal refining

Electric Hydrogen logo

Electric Hydrogen

Energy & Power

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

Latitude Media logo

Latitude Media

News, podcasts, market intelligence, and events for the climatetech industry

Prithvi Ventures logo

Prithvi Ventures

Investing in startups reducing emissions with unique solutions for net-zero goals

TransOceans Clean Energy Risk, LLC logo

TransOceans Clean Energy Risk, LLC

Energy & Power

Risk management solutions for global clean tech risk portfolios

Upgraid logo

Upgraid

Infrastructure & Construction

AI and satellite data that diagnose buildings and run energy simulations, to produce ready-to-pitch upgrade proposals

Catalyxx logo

Catalyxx

Manufacturing & Processing

Catalytic tech to turn bio-ethanol into high-value, carbon-negative chemicals

Aeromine Technologies, Inc. logo

Aeromine Technologies, Inc.

Energy & Power

Bladeless, motionless wind turbines for the built environment

MoveEV logo

MoveEV

Transportation & Logistics

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

AllSpice.io logo

AllSpice.io

Infrastructure & Construction

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

ZERO Homes logo

ZERO Homes

Infrastructure & Construction

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

FLUIDXLAB Americas Inc. logo

FLUIDXLAB Americas Inc.

Manufacturing & Processing

AI-powered microfluidic tools that help control and improve fluid processes across many industries

Lasso Labs logo

Lasso Labs

Food, Water, & Land

Using natural proteins to create real texture in alternative foods

Biosimo logo

Biosimo

Manufacturing & Processing

Biosimo makes eco-friendly chemicals from plant waste using a clean, low-cost process

String Data Motion logo

String Data Motion

Infrastructure & Construction

Agentic AI for energy companies. Agents in motion. Outcomes delivered.

3D Architech, Inc. logo

3D Architech, Inc.

Manufacturing & Processing

Ultra-fine and gel-based metal manufacturing, creating high-efficiency microstructures for cooling and clean energy

NewGrid logo

NewGrid

Energy & Power

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

[ 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