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
Tato Labs logo

Tato Labs

Manufacturing & Processing

Bioplastic products and packaging solutions made from potato starch

Titan Advanced Energy Solutions logo

Titan Advanced Energy Solutions

Energy & Power

Advanced battery management systems for lithium-ion batteries

FLUIDXLAB Americas Inc. logo

FLUIDXLAB Americas Inc.

Manufacturing & Processing

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

GeoTeknica logo

GeoTeknica

Manufacturing & Processing

Teknobuilt logo

Teknobuilt

Infrastructure & Construction

Cloud-based construction project management software

MagDrive Technologies Inc. logo

MagDrive Technologies Inc.

Manufacturing & Processing

Eliminating fugitive emissions and delivering zero-leak performance and durability

Helix Earth Technologies logo

Helix Earth Technologies

Infrastructure & Construction

Improving energy efficiency and minimizing emissions through a droplet-capture filtration system

Clarity Castle logo

Clarity Castle

Infrastructure & Construction

Modular, soundproof work pods made from recycled materials

Deep Anchor Solutions logo

Deep Anchor Solutions

Infrastructure & Construction

Anchoring solutions for floating applications including energy, aquaculture, and large-scale infrastructure

WISE ENERGIE logo

WISE ENERGIE

Energy & Power

Blending vertical-axis wind, solar PV, and battery storage into a single, silent system generating 24/7 clean power

Suyana Climate Insurance logo

Suyana Climate Insurance

Infinite Foundry logo

Infinite Foundry

Manufacturing & Processing

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

Decimetrix logo

Decimetrix

Energy & Power

AI platform to help clients measure their carbon footprint

InnoEnergy (Member Account) logo

InnoEnergy (Member Account)

Energy & Power

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

Solar Materials logo

Solar Materials

Energy & Power

Recovered and recycled secondary solar panel materials

Solar Mantle logo

Solar Mantle

Infrastructure & Construction

Film that reflects sunlight for energy-free passive cooling of structures

Saint-Gobain (Member Account) logo

Saint-Gobain (Member Account)

Infrastructure & Construction

Worldwide leader in light and sustainable construction

Carbion logo

Carbion

Manufacturing & Processing

Affordable and clean biomass transformation to graphite for batteries

Clean Crop Technologies logo

Clean Crop Technologies

Food, Water, & Land

Improving food safety and reducing food waste by removing contaminants with food-grade gasses and electricity

Octavia Carbon Co logo

Octavia Carbon Co

Manufacturing & Processing

Geothermal heat to capture and mineralize CO₂

Tato Labs logo

Tato Labs

Manufacturing & Processing

Bioplastic products and packaging solutions made from potato starch

Titan Advanced Energy Solutions logo

Titan Advanced Energy Solutions

Energy & Power

Advanced battery management systems for lithium-ion batteries

FLUIDXLAB Americas Inc. logo

FLUIDXLAB Americas Inc.

Manufacturing & Processing

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

GeoTeknica logo

GeoTeknica

Manufacturing & Processing

Teknobuilt logo

Teknobuilt

Infrastructure & Construction

Cloud-based construction project management software

MagDrive Technologies Inc. logo

MagDrive Technologies Inc.

Manufacturing & Processing

Eliminating fugitive emissions and delivering zero-leak performance and durability

Helix Earth Technologies logo

Helix Earth Technologies

Infrastructure & Construction

Improving energy efficiency and minimizing emissions through a droplet-capture filtration system

Clarity Castle logo

Clarity Castle

Infrastructure & Construction

Modular, soundproof work pods made from recycled materials

Deep Anchor Solutions logo

Deep Anchor Solutions

Infrastructure & Construction

Anchoring solutions for floating applications including energy, aquaculture, and large-scale infrastructure

WISE ENERGIE logo

WISE ENERGIE

Energy & Power

Blending vertical-axis wind, solar PV, and battery storage into a single, silent system generating 24/7 clean power

Suyana Climate Insurance logo

Suyana Climate Insurance

Infinite Foundry logo

Infinite Foundry

Manufacturing & Processing

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

Decimetrix logo

Decimetrix

Energy & Power

AI platform to help clients measure their carbon footprint

InnoEnergy (Member Account) logo

InnoEnergy (Member Account)

Energy & Power

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

Solar Materials logo

Solar Materials

Energy & Power

Recovered and recycled secondary solar panel materials

Solar Mantle logo

Solar Mantle

Infrastructure & Construction

Film that reflects sunlight for energy-free passive cooling of structures

Saint-Gobain (Member Account) logo

Saint-Gobain (Member Account)

Infrastructure & Construction

Worldwide leader in light and sustainable construction

Carbion logo

Carbion

Manufacturing & Processing

Affordable and clean biomass transformation to graphite for batteries

Clean Crop Technologies logo

Clean Crop Technologies

Food, Water, & Land

Improving food safety and reducing food waste by removing contaminants with food-grade gasses and electricity

Octavia Carbon Co logo

Octavia Carbon Co

Manufacturing & Processing

Geothermal heat to capture and mineralize CO₂

Harmony Desalting logo

Harmony Desalting

Food, Water, & Land

Batch-process reverse osmosis for low-cost water desalination

GS Vortex Systems logo

GS Vortex Systems

Food, Water, & Land

Hydrodynamic flow technology reducing flow resistance through pipes

Mission Zero Technologies logo

Mission Zero Technologies

Manufacturing & Processing

Efficient electrochemistry to capture CO₂

Haystack Ag logo

Haystack Ag

Food, Water, & Land

High-accuracy carbon-measurement systems for soil to drive affordable regenerative farming practices

BluBridge Energy Solutions logo

BluBridge Energy Solutions

Energy & Power

Removing undesired elements from pre- and post-combustion gas streams

Mars Materials logo

Mars Materials

Manufacturing & Processing

Converting CO₂ and biomass into acrylonitrile

Kanin Energy logo

Kanin Energy

Energy & Power

Monetizing industrial waste heat with reduced deployment risk via third-party financing

BLU NXT logo

BLU NXT

Energy & Power

Solar concentrators for high-temperature heat and energy

MoveEV logo

MoveEV

Transportation & Logistics

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

frakktal logo

frakktal

Manufacturing & Processing

Biobased polymer process to upend PVC overuse

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

Carbon To Stone logo

Carbon To Stone

Energy & Power

Carbon-mineralization technology with high-value minerals and metals recovery

Carbonext logo

Carbonext

Manufacturing & Processing

3D-graphene technology that develops integrated solutions with carbon-coated silicon anodes

Nebumi logo

Nebumi

Energy & Power

Emissions intelligence platform, monitoring pollution with satellite data and AI

NeuroBionics logo

NeuroBionics

Manufacturing & Processing

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

Boxes logo

Boxes

Manufacturing & Processing

Smart, affordable, and sustainable retail combining the physical and digital worlds

HarvestAi logo

HarvestAi

Food, Water, & Land

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

Flux Marine logo

Flux Marine

Transportation & Logistics

Outboard motors and complete boat packages characterized by low maintenance, long range, and outstanding performance

Respire Energy logo

Respire Energy

Energy & Power

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

Sweetch Energy logo

Sweetch Energy

Energy & Power

Membrane-based technology that taps into osmotic power

Harmony Desalting logo

Harmony Desalting

Food, Water, & Land

Batch-process reverse osmosis for low-cost water desalination

GS Vortex Systems logo

GS Vortex Systems

Food, Water, & Land

Hydrodynamic flow technology reducing flow resistance through pipes

Mission Zero Technologies logo

Mission Zero Technologies

Manufacturing & Processing

Efficient electrochemistry to capture CO₂

Haystack Ag logo

Haystack Ag

Food, Water, & Land

High-accuracy carbon-measurement systems for soil to drive affordable regenerative farming practices

BluBridge Energy Solutions logo

BluBridge Energy Solutions

Energy & Power

Removing undesired elements from pre- and post-combustion gas streams

Mars Materials logo

Mars Materials

Manufacturing & Processing

Converting CO₂ and biomass into acrylonitrile

Kanin Energy logo

Kanin Energy

Energy & Power

Monetizing industrial waste heat with reduced deployment risk via third-party financing

BLU NXT logo

BLU NXT

Energy & Power

Solar concentrators for high-temperature heat and energy

MoveEV logo

MoveEV

Transportation & Logistics

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

frakktal logo

frakktal

Manufacturing & Processing

Biobased polymer process to upend PVC overuse

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

Carbon To Stone logo

Carbon To Stone

Energy & Power

Carbon-mineralization technology with high-value minerals and metals recovery

Carbonext logo

Carbonext

Manufacturing & Processing

3D-graphene technology that develops integrated solutions with carbon-coated silicon anodes

Nebumi logo

Nebumi

Energy & Power

Emissions intelligence platform, monitoring pollution with satellite data and AI

NeuroBionics logo

NeuroBionics

Manufacturing & Processing

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

Boxes logo

Boxes

Manufacturing & Processing

Smart, affordable, and sustainable retail combining the physical and digital worlds

HarvestAi logo

HarvestAi

Food, Water, & Land

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

Flux Marine logo

Flux Marine

Transportation & Logistics

Outboard motors and complete boat packages characterized by low maintenance, long range, and outstanding performance

Respire Energy logo

Respire Energy

Energy & Power

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

Sweetch Energy logo

Sweetch Energy

Energy & Power

Membrane-based technology that taps into osmotic power

[ 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