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
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

Intention logo

Intention

Energy & Power

Climate-infrastructure-investment platform

Nebumi logo

Nebumi

Energy & Power

Emissions intelligence platform, monitoring pollution with satellite data and AI

Torres Orbital Mining Inc (TOM) logo

Torres Orbital Mining Inc (TOM)

Infrastructure & Construction

Autonomous lunar excavation systems for dust-free regolith mining and space operations

ATOM-X logo

ATOM-X

Energy & Power

Transforming CO₂ into sustainable fuels like green methanol

Solar Materials logo

Solar Materials

Energy & Power

Recovered and recycled secondary solar panel materials

Raptor Maps logo

Raptor Maps

Energy & Power

AI software to increase solar farm power production, reduce operational risk, and lower costs

Revterra logo

Revterra

Energy & Power

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

ATS Energy logo

ATS Energy

Energy & Power

Converting waste heat into power without any moving parts

Prophet AI logo

Prophet AI

Food, Water, & Land

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

Dandelion Energy logo

Dandelion Energy

Infrastructure & Construction

Geothermal heating and cooling systems for homes

Sparkplug Power logo

Sparkplug Power

Energy & Power

Energy-storage-as-a-service for municipal utilities and commercial businesses

SBD Technologies logo

SBD Technologies

Transportation & Logistics

Fully automated, scalable EV home charging and energy optimization solutions for sustainable fleet management

Infinite Foundry logo

Infinite Foundry

Manufacturing & Processing

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

Candid Intelligence logo

Candid Intelligence

Infrastructure & Construction

Accelerating pre-construction engineering with Agentic AI

Phoenix Tailings logo

Phoenix Tailings

Manufacturing & Processing

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

Packwise logo

Packwise

Manufacturing & Processing

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

Revvit logo

Revvit

Infrastructure & Construction

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

ClearTrace logo

ClearTrace

Energy & Power

Product suite for traceable, end-to-end data management of electricity and certificate transactions

EVident Battery logo

EVident Battery

Transportation & Logistics

Comprehensive, non-destructive inspection solutions for EV battery packs

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

Intention logo

Intention

Energy & Power

Climate-infrastructure-investment platform

Nebumi logo

Nebumi

Energy & Power

Emissions intelligence platform, monitoring pollution with satellite data and AI

Torres Orbital Mining Inc (TOM) logo

Torres Orbital Mining Inc (TOM)

Infrastructure & Construction

Autonomous lunar excavation systems for dust-free regolith mining and space operations

ATOM-X logo

ATOM-X

Energy & Power

Transforming CO₂ into sustainable fuels like green methanol

Solar Materials logo

Solar Materials

Energy & Power

Recovered and recycled secondary solar panel materials

Raptor Maps logo

Raptor Maps

Energy & Power

AI software to increase solar farm power production, reduce operational risk, and lower costs

Revterra logo

Revterra

Energy & Power

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

ATS Energy logo

ATS Energy

Energy & Power

Converting waste heat into power without any moving parts

Prophet AI logo

Prophet AI

Food, Water, & Land

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

Dandelion Energy logo

Dandelion Energy

Infrastructure & Construction

Geothermal heating and cooling systems for homes

Sparkplug Power logo

Sparkplug Power

Energy & Power

Energy-storage-as-a-service for municipal utilities and commercial businesses

SBD Technologies logo

SBD Technologies

Transportation & Logistics

Fully automated, scalable EV home charging and energy optimization solutions for sustainable fleet management

Infinite Foundry logo

Infinite Foundry

Manufacturing & Processing

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

Candid Intelligence logo

Candid Intelligence

Infrastructure & Construction

Accelerating pre-construction engineering with Agentic AI

Phoenix Tailings logo

Phoenix Tailings

Manufacturing & Processing

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

Packwise logo

Packwise

Manufacturing & Processing

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

Revvit logo

Revvit

Infrastructure & Construction

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

ClearTrace logo

ClearTrace

Energy & Power

Product suite for traceable, end-to-end data management of electricity and certificate transactions

EVident Battery logo

EVident Battery

Transportation & Logistics

Comprehensive, non-destructive inspection solutions for EV battery packs

Arbor Energy Holdings Inc logo

Arbor Energy Holdings Inc

Energy & Power

Digital-energy platform to help homeowners live more sustainably

Thiozen logo

Thiozen

Manufacturing & Processing

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

TDS Select logo

TDS Select

Food, Water, & Land

Modular, scalable FCDI system capable of desalinating brackish water using low energy

Kanin Energy logo

Kanin Energy

Energy & Power

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

Respire Energy logo

Respire Energy

Energy & Power

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

Wootz logo

Wootz

Manufacturing & Processing

Carbon nanotube supermaterials to replace or augment traditional metallic conductors

Ententia logo

Ententia

Energy & Power

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

Elementa Partners logo

Elementa Partners

Infrastructure & Construction

Uniting global talent to unlock high-conviction, institutional-grade investments across Texas growth sectors

String Data Motion logo

String Data Motion

Infrastructure & Construction

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

Dottir Labs logo

Dottir Labs

Food, Water, & Land

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

BiaTech Corporation logo

BiaTech Corporation

Energy & Power

Energy and natural resource infrastructure immersion with AI-enabled edge and cloud technology

DrinKicks logo

DrinKicks

Food, Water, & Land

Repurposing food waste and recycled materials into shoes

KP Labs logo

KP Labs

Manufacturing & Processing

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

Dugu Systems logo

Dugu Systems

Energy & Power

Zero-carbon power with an emissions-free gas turbine

FAST Metals logo

FAST Metals

Manufacturing & Processing

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

New Mantle Technologies logo

New Mantle Technologies

Energy & Power

Subsurface characterization with physics and AI

Cellen logo

Cellen

Transportation & Logistics

Hydrogen-powered drones, combining UAV technology with hydrogen refueling solutions

Aluminum Technologies logo

Aluminum Technologies

Manufacturing & Processing

Low-GHG primary aluminum production with Carbo-Chloride Reduction

Anning Corporation logo

Anning Corporation

Energy & Power

Targeting iron-rich rocks to produce hydrogen

NONA Technologies logo

NONA Technologies

Food, Water, & Land

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

Arbor Energy Holdings Inc logo

Arbor Energy Holdings Inc

Energy & Power

Digital-energy platform to help homeowners live more sustainably

Thiozen logo

Thiozen

Manufacturing & Processing

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

TDS Select logo

TDS Select

Food, Water, & Land

Modular, scalable FCDI system capable of desalinating brackish water using low energy

Kanin Energy logo

Kanin Energy

Energy & Power

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

Respire Energy logo

Respire Energy

Energy & Power

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

Wootz logo

Wootz

Manufacturing & Processing

Carbon nanotube supermaterials to replace or augment traditional metallic conductors

Ententia logo

Ententia

Energy & Power

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

Elementa Partners logo

Elementa Partners

Infrastructure & Construction

Uniting global talent to unlock high-conviction, institutional-grade investments across Texas growth sectors

String Data Motion logo

String Data Motion

Infrastructure & Construction

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

Dottir Labs logo

Dottir Labs

Food, Water, & Land

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

BiaTech Corporation logo

BiaTech Corporation

Energy & Power

Energy and natural resource infrastructure immersion with AI-enabled edge and cloud technology

DrinKicks logo

DrinKicks

Food, Water, & Land

Repurposing food waste and recycled materials into shoes

KP Labs logo

KP Labs

Manufacturing & Processing

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

Dugu Systems logo

Dugu Systems

Energy & Power

Zero-carbon power with an emissions-free gas turbine

FAST Metals logo

FAST Metals

Manufacturing & Processing

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

New Mantle Technologies logo

New Mantle Technologies

Energy & Power

Subsurface characterization with physics and AI

Cellen logo

Cellen

Transportation & Logistics

Hydrogen-powered drones, combining UAV technology with hydrogen refueling solutions

Aluminum Technologies logo

Aluminum Technologies

Manufacturing & Processing

Low-GHG primary aluminum production with Carbo-Chloride Reduction

Anning Corporation logo

Anning Corporation

Energy & Power

Targeting iron-rich rocks to produce hydrogen

NONA Technologies logo

NONA Technologies

Food, Water, & Land

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

[ 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