Helping climatetech startupsTransformindustry faster

Texas Geothermal Energy Alliance
Energy & Power

Inovues
Infrastructure & Construction

SkyH2O
Food, Water, & Land
Atmospheric water generation for commercial and government projects

Clean Crop Technologies
Food, Water, & Land
Improving food safety and reducing food waste by removing contaminants with food-grade gasses and electricity

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.

Pressure Core
Manufacturing & Processing
Pressure Core — is a development company focused on transforming industrial waste pressure into emission-free power. The company simplifies project development for host facilities by offering to buy their waste stream instead of selling them a project.

Malta
Energy & Power

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.

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

Heila Technologies
Energy & Power
Heila Technologies — has developed the next generation of optimization and aggregation technologies for DERs to help accelerate the adoption of clean energy.

SmartAC.com
Infrastructure & Construction
SmartAC.com — is on a mission to perfect the experience of home comfort. The company helps its partners offer next-level service with a more proactive approach to HVAC & plumbing.

Electrona Robotics
Manufacturing & Processing

Anzu Partners
Manufacturing & Processing

Verne
Energy & Power
Verne — develops hydrogen storage systems for zero-emission heavy-duty trucks.

Ivys Energy Solutions
Energy & Power
On-site hydrogen-generation and -dispensing appliance that uses water and electricity to make fuel-cell-grade hydrogen

Carbonova
Manufacturing & Processing
Carbonova has a unique solution to solidify carbon emissions and lock them permanently in solid carbon nanofibers. To date, 2980 businesses and financial institutions are taking action toward net-zero emissions by 2040 working with the Science-Based Targets initiative (SBTi). Our solution monetizes carbon emissions into solid carbon for our everyday products such as building materials and plastics. Currently solid carbon is extracted from naturally occurring and confined resources such as graphite or oils.

Sora Fuel Corporation
Transportation & Logistics
Cost-effective sustainable aviation fuel

Turnover Labs
Manufacturing & Processing
Modular electrolyzers converting dirty onsite CO₂ into basic chemicals

KVD
Manufacturing & Processing
KVD enables EELS in existing SEMs, providing a cost-effective way to see light elements and bonding states.

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

Texas Geothermal Energy Alliance
Energy & Power

Inovues
Infrastructure & Construction

SkyH2O
Food, Water, & Land
Atmospheric water generation for commercial and government projects

Clean Crop Technologies
Food, Water, & Land
Improving food safety and reducing food waste by removing contaminants with food-grade gasses and electricity

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.

Pressure Core
Manufacturing & Processing
Pressure Core — is a development company focused on transforming industrial waste pressure into emission-free power. The company simplifies project development for host facilities by offering to buy their waste stream instead of selling them a project.

Malta
Energy & Power

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.

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

Heila Technologies
Energy & Power
Heila Technologies — has developed the next generation of optimization and aggregation technologies for DERs to help accelerate the adoption of clean energy.

SmartAC.com
Infrastructure & Construction
SmartAC.com — is on a mission to perfect the experience of home comfort. The company helps its partners offer next-level service with a more proactive approach to HVAC & plumbing.

Electrona Robotics
Manufacturing & Processing

Anzu Partners
Manufacturing & Processing

Verne
Energy & Power
Verne — develops hydrogen storage systems for zero-emission heavy-duty trucks.

Ivys Energy Solutions
Energy & Power
On-site hydrogen-generation and -dispensing appliance that uses water and electricity to make fuel-cell-grade hydrogen

Carbonova
Manufacturing & Processing
Carbonova has a unique solution to solidify carbon emissions and lock them permanently in solid carbon nanofibers. To date, 2980 businesses and financial institutions are taking action toward net-zero emissions by 2040 working with the Science-Based Targets initiative (SBTi). Our solution monetizes carbon emissions into solid carbon for our everyday products such as building materials and plastics. Currently solid carbon is extracted from naturally occurring and confined resources such as graphite or oils.

Sora Fuel Corporation
Transportation & Logistics
Cost-effective sustainable aviation fuel

Turnover Labs
Manufacturing & Processing
Modular electrolyzers converting dirty onsite CO₂ into basic chemicals

KVD
Manufacturing & Processing
KVD enables EELS in existing SEMs, providing a cost-effective way to see light elements and bonding states.

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

Planetary Hydrogen
Manufacturing & Processing

Armeta
Armeta AI is the structured data layer for industrial facilities, turning legacy P&IDs into Material Take-Offs and EPA/OSHA regulatory inventories that power brownfield retrofits, LDAR programs, and energy transition projects across the installed base.

Aja Labs
Manufacturing & Processing

Geckskin
Manufacturing & Processing

Global Algae Innovations
Transportation & Logistics
Global Algae Innovations — grows algae that capture CO2 from the atmosphere to produce protein and oil for food and industrial use.

pH Matter
Energy & Power

Sense Labs, Inc.
Infrastructure & Construction
The Sense Home Energy monitor tells you what devices in your home are on, and how much energy each is consuming.

Wootz
Manufacturing & Processing
Carbon nanotube supermaterials to replace or augment traditional metallic conductors

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

Lasso Labs
Food, Water, & Land
Using natural proteins to create real texture in alternative foods

Fysikes Biosolutions
Energy & Power
Fysikes Biosolutions — develops renewable green fuels (methanol, ammonia, and naphtas) via the production of hydrogen and concentrated CO2 from direct air capture and industrial CO2 capture technologies.

Foray Bioscience
Manufacturing & Processing

Revora Materials
Energy & Power
Carbon-mineralization technology with high-value minerals and metals recovery

Andros Innovations
Manufacturing & Processing
Reducing the costs and energy demands of ammonia production through advanced reactor technology

Blue Sky Analytics
Food, Water, & Land
Blue Sky Analytics uses satellite data and AI to provide high resolution environmental insights for ESG investing and climate risk assessment.

Glimpse Engineering
Manufacturing & Processing
Visualizing battery scans and continuously monitoring key battery-design features

RUNWITHIT Synthetics Inc.
Energy & Power

Kula Bio
Energy & Power
Kula Bio — supercharges natural nitrogen-fixing microbes with renewable energy in order to deliver reliable, low-cost organic biofertilizers.

Suyana Climate Insurance

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.

Planetary Hydrogen
Manufacturing & Processing

Armeta
Armeta AI is the structured data layer for industrial facilities, turning legacy P&IDs into Material Take-Offs and EPA/OSHA regulatory inventories that power brownfield retrofits, LDAR programs, and energy transition projects across the installed base.

Aja Labs
Manufacturing & Processing

Geckskin
Manufacturing & Processing

Global Algae Innovations
Transportation & Logistics
Global Algae Innovations — grows algae that capture CO2 from the atmosphere to produce protein and oil for food and industrial use.

pH Matter
Energy & Power

Sense Labs, Inc.
Infrastructure & Construction
The Sense Home Energy monitor tells you what devices in your home are on, and how much energy each is consuming.

Wootz
Manufacturing & Processing
Carbon nanotube supermaterials to replace or augment traditional metallic conductors

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

Lasso Labs
Food, Water, & Land
Using natural proteins to create real texture in alternative foods

Fysikes Biosolutions
Energy & Power
Fysikes Biosolutions — develops renewable green fuels (methanol, ammonia, and naphtas) via the production of hydrogen and concentrated CO2 from direct air capture and industrial CO2 capture technologies.

Foray Bioscience
Manufacturing & Processing

Revora Materials
Energy & Power
Carbon-mineralization technology with high-value minerals and metals recovery

Andros Innovations
Manufacturing & Processing
Reducing the costs and energy demands of ammonia production through advanced reactor technology

Blue Sky Analytics
Food, Water, & Land
Blue Sky Analytics uses satellite data and AI to provide high resolution environmental insights for ESG investing and climate risk assessment.

Glimpse Engineering
Manufacturing & Processing
Visualizing battery scans and continuously monitoring key battery-design features

RUNWITHIT Synthetics Inc.
Energy & Power

Kula Bio
Energy & Power
Kula Bio — supercharges natural nitrogen-fixing microbes with renewable energy in order to deliver reliable, low-cost organic biofertilizers.

Suyana Climate Insurance

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.




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.
Our Startups Have Raised Over $0B
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New Jobs Created by Our Members, and Counting
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.


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.

Get Involved
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