Helping climatetech startupsTransformindustry faster

Focis AI
FocisAI uses AI and 3D scan data to automatically identify and map infrastructure in industrial facilities, turning complex environments into actionable digital intelligence. Our platform enables faster inspections, improved safety, and more efficient operations across heavy industry.

Innovator Energy
Energy & Power
Developing and deploying solutions in cooling, heating, and heat transfer

Caravel Bio
Manufacturing & Processing

Hertha Metals Inc.
Energy & Power

TerraFixing
Manufacturing & Processing
TerraFixing — develops a direct-air-capture technology for cold climates using zeolite-based adsorbent materials.

R&B Technology
Manufacturing & Processing
R&B Technology (USA) Company Inc. — develops Ari, a cloud-based augmented intelligence software platform that analyzes data and creates holistic recommendations—and elegant visualizations—based on insights that are impossible to see otherwise.

Energy Dome
Energy & Power
EnergyDome — has ideated and patented a revolutionary technology for large-scale and long-duration energy storage: The CO2 Battery.

HyperKelp
Food, Water, & Land
HyperKelp — produces the Kelp Smart Buoy—a hosted payload platform capable of carrying hundreds of sensors—that collects and transmits marine-level data for wind farmers, climate scientists, and military intelligence officials.

Peak Power
Energy & Power
Energy-storage optimization software for commercial and industrial customers and energy storage project developers

CarbonQuest
Infrastructure & Construction

H2Pro
Energy & Power
H2Pro — is enabling the wide scale adoption of sustainable hydrogen fuel by introducing a novel production technology E-TAC.

SolarKal
Energy & Power
The largest solar energy marketplace in the U.S., connecting organizations to solar providers

Geckskin
Manufacturing & Processing

EQORE
EQORE is an end-to-end provider of intelligent and autonomous energy storage for commercial and industrial facilities, aimed at minimizing their electricity costs. By offering unprecedented ROIs, EQORE makes adding distributed storage to the grid financially attractive, promoting grid resilience while supporting businesses.

Tagup
Manufacturing & Processing
Tagup — has developed new machine learning methods and a software platform to predict industrial equipment failure, making physical infrastructure safer and more reliable.

SiTration
Manufacturing & Processing
SiTration — is developing a novel membrane filtration technology that combines durability and performance at low cost to enable highly efficient separations in today’s mega-industries.

Apitronics
Food, Water, & Land

Sensai Analytics
Energy & Power
Sensai Analytics — is developing an enterprise AI platform that enables companies with limited machine learning expertise to build scalable and robust time series forecasting models.

Texas Geothermal Energy Alliance
Energy & Power

CarTwin
Transportation & Logistics
CarTwin is unlocking the value of automative data by creating an integrated data ecosystem to drive actionable insight and predictive analytics to address the industry’s most pressing challenges. Its digital twin technology enables a diverse set of automotive use cases that power new innovations by connecting physical and digital worlds providing real-time operational awareness of vehicle, component, and manufacturing performance.

Focis AI
FocisAI uses AI and 3D scan data to automatically identify and map infrastructure in industrial facilities, turning complex environments into actionable digital intelligence. Our platform enables faster inspections, improved safety, and more efficient operations across heavy industry.

Innovator Energy
Energy & Power
Developing and deploying solutions in cooling, heating, and heat transfer

Caravel Bio
Manufacturing & Processing

Hertha Metals Inc.
Energy & Power

TerraFixing
Manufacturing & Processing
TerraFixing — develops a direct-air-capture technology for cold climates using zeolite-based adsorbent materials.

R&B Technology
Manufacturing & Processing
R&B Technology (USA) Company Inc. — develops Ari, a cloud-based augmented intelligence software platform that analyzes data and creates holistic recommendations—and elegant visualizations—based on insights that are impossible to see otherwise.

Energy Dome
Energy & Power
EnergyDome — has ideated and patented a revolutionary technology for large-scale and long-duration energy storage: The CO2 Battery.

HyperKelp
Food, Water, & Land
HyperKelp — produces the Kelp Smart Buoy—a hosted payload platform capable of carrying hundreds of sensors—that collects and transmits marine-level data for wind farmers, climate scientists, and military intelligence officials.

Peak Power
Energy & Power
Energy-storage optimization software for commercial and industrial customers and energy storage project developers

CarbonQuest
Infrastructure & Construction

H2Pro
Energy & Power
H2Pro — is enabling the wide scale adoption of sustainable hydrogen fuel by introducing a novel production technology E-TAC.

SolarKal
Energy & Power
The largest solar energy marketplace in the U.S., connecting organizations to solar providers

Geckskin
Manufacturing & Processing

EQORE
EQORE is an end-to-end provider of intelligent and autonomous energy storage for commercial and industrial facilities, aimed at minimizing their electricity costs. By offering unprecedented ROIs, EQORE makes adding distributed storage to the grid financially attractive, promoting grid resilience while supporting businesses.

Tagup
Manufacturing & Processing
Tagup — has developed new machine learning methods and a software platform to predict industrial equipment failure, making physical infrastructure safer and more reliable.

SiTration
Manufacturing & Processing
SiTration — is developing a novel membrane filtration technology that combines durability and performance at low cost to enable highly efficient separations in today’s mega-industries.

Apitronics
Food, Water, & Land

Sensai Analytics
Energy & Power
Sensai Analytics — is developing an enterprise AI platform that enables companies with limited machine learning expertise to build scalable and robust time series forecasting models.

Texas Geothermal Energy Alliance
Energy & Power

CarTwin
Transportation & Logistics
CarTwin is unlocking the value of automative data by creating an integrated data ecosystem to drive actionable insight and predictive analytics to address the industry’s most pressing challenges. Its digital twin technology enables a diverse set of automotive use cases that power new innovations by connecting physical and digital worlds providing real-time operational awareness of vehicle, component, and manufacturing performance.

Timbergrove
Energy & Power
Building AI + IoT solutions that connect and optimize assets, boosting visibility, safety, and efficiency

Fleet Robotics
Transportation & Logistics
Robotics to clean biofouling from ship hulls, improving fuel consumption for large ships

VesprSolar
Energy & Power
VesprSolar — is transforming how solar panels are installed. VesprSolar V-Clamp™ is a low-cost fastener that makes solar arrays more secure and faster to install.

Liquid-Charge
Energy & Power
Liquid-Charge — will manufacture mobile Solid Oxide Fuel Cell (SOFC) range extenders for battery electric vehicles, using them to trickle-charge batteries while effortlessly retaining CO2 for sequestration and recycling.

Electric Hydrogen
Energy & Power
Manufactureing the world’s most powerful electrolyzers to produce the lowest cost clean hydrogen

AeroNero
Food, Water, & Land
Water for all, always Empowering sustainable living through innovative air-water generation technology, providing clean and accessible water to communities while combating climate change.

Thola
Energy & Power
On-demand marketplace for commercial building sustainability and safety management

GeoTeknica
Manufacturing & Processing

Root AI
Food, Water, & Land

Axiom Optics
Manufacturing & Processing
Axiom Optics — provides optical instrumentation for fundamental sciences (astronomy, physics, biology) and industrial quality control.

Bodhi
Energy & Power
Bodhi — cultivates the bond between people and the energy that powers their lives. The company’s software platform empowers solar companies to deliver amazing customer experiences with ease. Bodhi automates communication and personalizes the homeowners’ experience, so that installers can focus on what they do best – executing projects, making more sales, and transforming communities around energy.

NET Offset
Manufacturing & Processing
NET Offset is developing a supply chain optimization platform that integrates life cycle assessment (LCA) and end-use demand segments into the overall network design phase. We thereby eliminate the waste in bioenergy supply chains and help deploy the infrastructure which will bring our country to net-zero emissions.

Beacon Climate Innovations
Energy & Power
Filling gaps between the frontlines of climate change and the emerging technologies that can best address them

energyGuard
Infrastructure & Construction

Onvector
Infrastructure & Construction
Non-chemical water treatment using plasma to rid water of PFAS and more

Powerhouse Ventures
Infrastructure & Construction
Investing in software to advance clean energy, mobility, and industry

GreenIRR
Transportation & Logistics

Allium Engineering
Manufacturing & Processing
Allium Engineering — is a US-based startup founded by two MIT Ph.D graduates that designs and manufactures coated rebar technology that will create a more resilient, affordable, and sustainable infrastructure.

LOCOAL
Manufacturing & Processing
Turning waste into value, and producing clean energy, biofuels, and carbon credits

SeebeckCell Technologies
Manufacturing & Processing
SeebeckCell Technologies — develops and manufactures liquid-based thermoelectric modules, power generators, and waste heat recovery systems.

Timbergrove
Energy & Power
Building AI + IoT solutions that connect and optimize assets, boosting visibility, safety, and efficiency

Fleet Robotics
Transportation & Logistics
Robotics to clean biofouling from ship hulls, improving fuel consumption for large ships

VesprSolar
Energy & Power
VesprSolar — is transforming how solar panels are installed. VesprSolar V-Clamp™ is a low-cost fastener that makes solar arrays more secure and faster to install.

Liquid-Charge
Energy & Power
Liquid-Charge — will manufacture mobile Solid Oxide Fuel Cell (SOFC) range extenders for battery electric vehicles, using them to trickle-charge batteries while effortlessly retaining CO2 for sequestration and recycling.

Electric Hydrogen
Energy & Power
Manufactureing the world’s most powerful electrolyzers to produce the lowest cost clean hydrogen

AeroNero
Food, Water, & Land
Water for all, always Empowering sustainable living through innovative air-water generation technology, providing clean and accessible water to communities while combating climate change.

Thola
Energy & Power
On-demand marketplace for commercial building sustainability and safety management

GeoTeknica
Manufacturing & Processing

Root AI
Food, Water, & Land

Axiom Optics
Manufacturing & Processing
Axiom Optics — provides optical instrumentation for fundamental sciences (astronomy, physics, biology) and industrial quality control.

Bodhi
Energy & Power
Bodhi — cultivates the bond between people and the energy that powers their lives. The company’s software platform empowers solar companies to deliver amazing customer experiences with ease. Bodhi automates communication and personalizes the homeowners’ experience, so that installers can focus on what they do best – executing projects, making more sales, and transforming communities around energy.

NET Offset
Manufacturing & Processing
NET Offset is developing a supply chain optimization platform that integrates life cycle assessment (LCA) and end-use demand segments into the overall network design phase. We thereby eliminate the waste in bioenergy supply chains and help deploy the infrastructure which will bring our country to net-zero emissions.

Beacon Climate Innovations
Energy & Power
Filling gaps between the frontlines of climate change and the emerging technologies that can best address them

energyGuard
Infrastructure & Construction

Onvector
Infrastructure & Construction
Non-chemical water treatment using plasma to rid water of PFAS and more

Powerhouse Ventures
Infrastructure & Construction
Investing in software to advance clean energy, mobility, and industry

GreenIRR
Transportation & Logistics

Allium Engineering
Manufacturing & Processing
Allium Engineering — is a US-based startup founded by two MIT Ph.D graduates that designs and manufactures coated rebar technology that will create a more resilient, affordable, and sustainable infrastructure.

LOCOAL
Manufacturing & Processing
Turning waste into value, and producing clean energy, biofuels, and carbon credits

SeebeckCell Technologies
Manufacturing & Processing
SeebeckCell Technologies — develops and manufactures liquid-based thermoelectric modules, power generators, and waste heat recovery systems.




The way the world makes energy, materials, and food is changing — and the next decade will decide whether that change makes life better: more energy with fewer emissions, more industry with cleaner air, more good jobs.
That future comes from entrepreneurs — the heroes who turn ideas into real products, real companies, and the jobs of the future. And the ones who make it are the ones with a community behind them.
For 15 years, Greentown has been that community — leaning in with the space, the people, the funding, and the first customers they need. Get behind the entrepreneurs building our future.
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Startups bring the breakthroughs. Corporate partners bring the scale, infrastructure, expertise, and capital to make them matter.
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.


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