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
Anvil Capture Systems logo

Anvil Capture Systems

Manufacturing & Processing

CO2 direct air mineralization process, delivering carbon dioxide removal

Elementa Partners logo

Elementa Partners

Infrastructure & Construction

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

Adept Materials logo

Adept Materials

Infrastructure & Construction

Material innovations that improve moisture regulation, comfort, and energy efficiency

Latitude Media logo

Latitude Media

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

Biosimo logo

Biosimo

Manufacturing & Processing

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

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

Encore CO2 logo

Encore CO2

Manufacturing & Processing

Converting captured CO₂ into valuable industrial molecules

EnergyGigs logo

EnergyGigs

Food, Water, & Land

Talent and freelance platform for the energy industry

SPHINX INC logo

SPHINX INC

Energy & Power

High-speed 24/7 energy trading with blockchain clarity and instant settlement

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

Fresh Inset logo

Fresh Inset

Food, Water, & Land

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

Wellbore Consultants logo

Wellbore Consultants

Energy & Power

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

SkyH2O logo

SkyH2O

Food, Water, & Land

Atmospheric water generation for commercial and government projects

Helix Earth Technologies logo

Helix Earth Technologies

Infrastructure & Construction

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

NeuraliX logo

NeuraliX

Energy & Power

AI solutions to optimize operations and reduce emissions for the energy and manufacturing sectors

Provocative logo

Provocative

Manufacturing & Processing

Replacing data centers’ cooling systems with carbon capture

Lydian logo

Lydian

Manufacturing & Processing

Fully electrified reactors for high-efficiency conversion of non-fossil feedstocks into pure syngas

Fluor Enterprises, Inc. logo

Fluor Enterprises, Inc.

Energy & Power

Leading global engineering, procurement and construction (EPC) company

Saint-Gobain (Member Account) logo

Saint-Gobain (Member Account)

Infrastructure & Construction

Worldwide leader in light and sustainable construction

AdaViv logo

AdaViv

Food, Water, & Land

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

Anvil Capture Systems logo

Anvil Capture Systems

Manufacturing & Processing

CO2 direct air mineralization process, delivering carbon dioxide removal

Elementa Partners logo

Elementa Partners

Infrastructure & Construction

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

Adept Materials logo

Adept Materials

Infrastructure & Construction

Material innovations that improve moisture regulation, comfort, and energy efficiency

Latitude Media logo

Latitude Media

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

Biosimo logo

Biosimo

Manufacturing & Processing

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

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

Encore CO2 logo

Encore CO2

Manufacturing & Processing

Converting captured CO₂ into valuable industrial molecules

EnergyGigs logo

EnergyGigs

Food, Water, & Land

Talent and freelance platform for the energy industry

SPHINX INC logo

SPHINX INC

Energy & Power

High-speed 24/7 energy trading with blockchain clarity and instant settlement

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

Fresh Inset logo

Fresh Inset

Food, Water, & Land

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

Wellbore Consultants logo

Wellbore Consultants

Energy & Power

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

SkyH2O logo

SkyH2O

Food, Water, & Land

Atmospheric water generation for commercial and government projects

Helix Earth Technologies logo

Helix Earth Technologies

Infrastructure & Construction

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

NeuraliX logo

NeuraliX

Energy & Power

AI solutions to optimize operations and reduce emissions for the energy and manufacturing sectors

Provocative logo

Provocative

Manufacturing & Processing

Replacing data centers’ cooling systems with carbon capture

Lydian logo

Lydian

Manufacturing & Processing

Fully electrified reactors for high-efficiency conversion of non-fossil feedstocks into pure syngas

Fluor Enterprises, Inc. logo

Fluor Enterprises, Inc.

Energy & Power

Leading global engineering, procurement and construction (EPC) company

Saint-Gobain (Member Account) logo

Saint-Gobain (Member Account)

Infrastructure & Construction

Worldwide leader in light and sustainable construction

AdaViv logo

AdaViv

Food, Water, & Land

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

MagDrive Technologies Inc. logo

MagDrive Technologies Inc.

Manufacturing & Processing

Eliminating fugitive emissions and delivering zero-leak performance and durability

DrinKicks logo

DrinKicks

Food, Water, & Land

Repurposing food waste and recycled materials into shoes

ICODOS logo

ICODOS

Manufacturing & Processing

Scalable clean methanol to decarbonize transport and chemicals

Loop CO2 logo

Loop CO2

Manufacturing & Processing

Transforming CO₂ into sustainable polymers to create fully recyclable materials

AllSpice.io logo

AllSpice.io

Infrastructure & Construction

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

SUPERGirls Shine Foundation logo

SUPERGirls Shine Foundation

Energy & Power

Developing underserved girls in STEM to support equity in the emerging workforce

Studio 3e8 logo

Studio 3e8

Manufacturing & Processing

Lightspeed metal 3D printing, making professional-grade fabrication affordable, compact, and easy to use

KP Labs logo

KP Labs

Manufacturing & Processing

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

Aramco Ventures (Member Account) logo

Aramco Ventures (Member Account)

Energy & Power

Strategic technology-venturing program of Saudi Aramco

Carbion logo

Carbion

Manufacturing & Processing

Affordable and clean biomass transformation to graphite for batteries

Sweetch Energy logo

Sweetch Energy

Energy & Power

Membrane-based technology that taps into osmotic power

Tato Labs logo

Tato Labs

Manufacturing & Processing

Bioplastic products and packaging solutions made from potato starch

XTPL logo

XTPL

Manufacturing & Processing

Additive manufacturing technology for ultra-precise printing of nanomaterials

Timbergrove logo

Timbergrove

Energy & Power

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

Biospheric AI logo

Biospheric AI

Energy & Power

High-resolution, building-level energy demand forecasts for utilities and more

Kausalyze logo

Kausalyze

Manufacturing & Processing

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

Octavia Carbon Co logo

Octavia Carbon Co

Manufacturing & Processing

Geothermal heat to capture and mineralize CO₂

Haffner Energy logo

Haffner Energy

Energy & Power

Producing renewable energy via waste-biomass thermolysis

Raptor Maps logo

Raptor Maps

Energy & Power

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

Innovator Energy logo

Innovator Energy

Energy & Power

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

MagDrive Technologies Inc. logo

MagDrive Technologies Inc.

Manufacturing & Processing

Eliminating fugitive emissions and delivering zero-leak performance and durability

DrinKicks logo

DrinKicks

Food, Water, & Land

Repurposing food waste and recycled materials into shoes

ICODOS logo

ICODOS

Manufacturing & Processing

Scalable clean methanol to decarbonize transport and chemicals

Loop CO2 logo

Loop CO2

Manufacturing & Processing

Transforming CO₂ into sustainable polymers to create fully recyclable materials

AllSpice.io logo

AllSpice.io

Infrastructure & Construction

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

SUPERGirls Shine Foundation logo

SUPERGirls Shine Foundation

Energy & Power

Developing underserved girls in STEM to support equity in the emerging workforce

Studio 3e8 logo

Studio 3e8

Manufacturing & Processing

Lightspeed metal 3D printing, making professional-grade fabrication affordable, compact, and easy to use

KP Labs logo

KP Labs

Manufacturing & Processing

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

Aramco Ventures (Member Account) logo

Aramco Ventures (Member Account)

Energy & Power

Strategic technology-venturing program of Saudi Aramco

Carbion logo

Carbion

Manufacturing & Processing

Affordable and clean biomass transformation to graphite for batteries

Sweetch Energy logo

Sweetch Energy

Energy & Power

Membrane-based technology that taps into osmotic power

Tato Labs logo

Tato Labs

Manufacturing & Processing

Bioplastic products and packaging solutions made from potato starch

XTPL logo

XTPL

Manufacturing & Processing

Additive manufacturing technology for ultra-precise printing of nanomaterials

Timbergrove logo

Timbergrove

Energy & Power

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

Biospheric AI logo

Biospheric AI

Energy & Power

High-resolution, building-level energy demand forecasts for utilities and more

Kausalyze logo

Kausalyze

Manufacturing & Processing

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

Octavia Carbon Co logo

Octavia Carbon Co

Manufacturing & Processing

Geothermal heat to capture and mineralize CO₂

Haffner Energy logo

Haffner Energy

Energy & Power

Producing renewable energy via waste-biomass thermolysis

Raptor Maps logo

Raptor Maps

Energy & Power

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

Innovator Energy logo

Innovator Energy

Energy & Power

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

[ 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