Helping climatetech startupsTransformindustry faster

Exakom
Manufacturing & Processing
Exakom — is a pioneer in developing innovative data analysis products for the industrial automation market.

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.

Agira
Energy & Power
Agira Photonics — designs optical films for superior light management. Applications requiring highly collimated light with minimal chromatic aberration, such as LED lighting and displays, can be made more efficient with Agira’s film technology.

Spec Sensors LLC
Energy & Power
Hydrogen sensor nodes to monitor and characterize leaks and emissions in hydrogen infrastructure

DxLab
Food, Water, & Land
DxLab — consists of engineers, physicists, biologists, and chemists working together to provide rapid and affordable detection of diseases with new diagnostic platforms that can be used where they are needed the most. By providing means for easy and accurate disease detection, they aim to make diagnostic testing available to anyone who wants or needs it.

Trellis Air
Infrastructure & Construction
Membrane-based dehumidifiers that are vastly more energy-efficient than desiccant wheels and standalone dehumidifiers

eologix sensor technology
Energy & Power
Energy-autonomous sensors for ice detection and temperature measurement

SnoFox Sciences
Transportation & Logistics
SnoFox Sciences — is developing a platform that provides actionable insights such as fault classification and predictive maintenance recommendations to the operators and stakeholders responsible for the performance and reliability of refrigerated spaces.

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

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.

RenewCO₂
Manufacturing & Processing
Electrochemical process to convert CO₂ into fuels and chemicals, such as SAF and propylene glycol

Blue Atlas Robotics
Manufacturing & Processing
Rapid, large-scale data collection and 3D-modeling of underwater assets

Renu Energy
Manufacturing & Processing
Converting waste and converting it into fuels and energy helping to create a more responsible environment

SWTCH Energy Inc.
Transportation & Logistics
Supplies, installs, and manages EV charging infrastructure based on client- and site-specific requirements

Autonomous Marine Systems
Food, Water, & Land
Wind- and solar-powered robotic boats to collect data from oceans with zero emissions

Revvit
Infrastructure & Construction
Low-cost, simple EV charging at commercial, multifamily, fleet parking, and public properties

R3 Energy
Energy & Power
Energy efficiency management for buildings

ZwitterCo
Food, Water, & Land
Nanofiltration membranes for wastewater treatment with unprecedented fouling-resistance and size-selectivity.

Moonflower Farms
Food, Water, & Land
Moonflower Technologies uses space age technology to solve real world problems.

DirtSat
Food, Water, & Land
DirtSat — looks at ways space resources can have profound impacts on some of our planet’s biggest challenges and is reframing urban food production pathways and climate resilience for Smart City adoption.

Exakom
Manufacturing & Processing
Exakom — is a pioneer in developing innovative data analysis products for the industrial automation market.

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.

Agira
Energy & Power
Agira Photonics — designs optical films for superior light management. Applications requiring highly collimated light with minimal chromatic aberration, such as LED lighting and displays, can be made more efficient with Agira’s film technology.

Spec Sensors LLC
Energy & Power
Hydrogen sensor nodes to monitor and characterize leaks and emissions in hydrogen infrastructure

DxLab
Food, Water, & Land
DxLab — consists of engineers, physicists, biologists, and chemists working together to provide rapid and affordable detection of diseases with new diagnostic platforms that can be used where they are needed the most. By providing means for easy and accurate disease detection, they aim to make diagnostic testing available to anyone who wants or needs it.

Trellis Air
Infrastructure & Construction
Membrane-based dehumidifiers that are vastly more energy-efficient than desiccant wheels and standalone dehumidifiers

eologix sensor technology
Energy & Power
Energy-autonomous sensors for ice detection and temperature measurement

SnoFox Sciences
Transportation & Logistics
SnoFox Sciences — is developing a platform that provides actionable insights such as fault classification and predictive maintenance recommendations to the operators and stakeholders responsible for the performance and reliability of refrigerated spaces.

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

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.

RenewCO₂
Manufacturing & Processing
Electrochemical process to convert CO₂ into fuels and chemicals, such as SAF and propylene glycol

Blue Atlas Robotics
Manufacturing & Processing
Rapid, large-scale data collection and 3D-modeling of underwater assets

Renu Energy
Manufacturing & Processing
Converting waste and converting it into fuels and energy helping to create a more responsible environment

SWTCH Energy Inc.
Transportation & Logistics
Supplies, installs, and manages EV charging infrastructure based on client- and site-specific requirements

Autonomous Marine Systems
Food, Water, & Land
Wind- and solar-powered robotic boats to collect data from oceans with zero emissions

Revvit
Infrastructure & Construction
Low-cost, simple EV charging at commercial, multifamily, fleet parking, and public properties

R3 Energy
Energy & Power
Energy efficiency management for buildings

ZwitterCo
Food, Water, & Land
Nanofiltration membranes for wastewater treatment with unprecedented fouling-resistance and size-selectivity.

Moonflower Farms
Food, Water, & Land
Moonflower Technologies uses space age technology to solve real world problems.

DirtSat
Food, Water, & Land
DirtSat — looks at ways space resources can have profound impacts on some of our planet’s biggest challenges and is reframing urban food production pathways and climate resilience for Smart City adoption.

Hygen
Energy & Power
Supercharger that fuels gas-powered vehicles efficiently

Root AI
Food, Water, & Land
Intelligent robots to help growers manage efficient indoor farms

PURGIT
Transportation & Logistics
Build a verifiable vapor control system that makes no pollution and recovers the VOC for recycling. Reduce air pollution and claim carbon credits.

Alloy Enterprises
Manufacturing & Processing
Alloy Enterprises — is developing a new manufacturing method to change the way the world makes aluminum parts.

CERT Systems
Manufacturing & Processing
Converting CO₂ into renewable chemical fuels and feedstocks using water and electricity

Octavia Carbon Co
Manufacturing & Processing
Geothermal heat to capture and mineralize CO₂

pH Matter
Energy & Power
Developing, manufacturing, and commercializing carbon-based materials for electrochemical applications

Save Energy Systems
Infrastructure & Construction
Intelligent control for multiple HVAC systems in small- to medium-sized facilities

Osmoses
Manufacturing & Processing
Osmoses — develops advanced membrane technology for efficient gas and vapor separations.

Biosfera
Manufacturing & Processing
Production of isoprene from CO₂ for rubber manufacturing, solvents, and fuels

Polymer-X
Manufacturing & Processing
Electrifying sustainable chemical production from waste and hydrocarbons

Massachusetts Climatetech Studio
Energy & Power
Matching teams of entrepreneurs with cutting-edge university and federal lab technologies

Ebb Carbon
Food, Water, & Land
Ebb Carbon — removes atmospheric CO2 and reduces ocean acidification. Using a proprietary electrochemical system to separate acid out of salty water, Ebb de-acidifies the ocean and enhances its natural ability to capture CO2 from the air and store it safely and stably as bicarbonate for at least 10,000 years.

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.

SpadXTech
Food, Water, & Land
SpadXTech — seeks to significantly reduce CO2 emissions through the manufacturing of various carbon negative cellulose-based materials.

FluxWorks
Manufacturing & Processing
Mechatronics company offering dual-use magnetic gears, magnetically geared actuators, sensors, and software

Stork, a Fluor Company
Asset lifecycle-monitoring solutions

FibreCoat
Transportation & Logistics
Thermoplastic-coated glass fibers for use in fiber composites for the automotive and consumer sectors

Earthbond
Energy & Power
Earthbond — is a platform that connects urban Nigerians with affordable financing for clean, reliable energy. They leverage group financing and carbon accounting to lower costs and risk in the energy transition of Nigeria’s $14B fuel-based, off-grid generator market.

Appollo Wind Technologies
Infrastructure & Construction
Improving operation efficiency for HVAC systems

Hygen
Energy & Power
Supercharger that fuels gas-powered vehicles efficiently

Root AI
Food, Water, & Land
Intelligent robots to help growers manage efficient indoor farms

PURGIT
Transportation & Logistics
Build a verifiable vapor control system that makes no pollution and recovers the VOC for recycling. Reduce air pollution and claim carbon credits.

Alloy Enterprises
Manufacturing & Processing
Alloy Enterprises — is developing a new manufacturing method to change the way the world makes aluminum parts.

CERT Systems
Manufacturing & Processing
Converting CO₂ into renewable chemical fuels and feedstocks using water and electricity

Octavia Carbon Co
Manufacturing & Processing
Geothermal heat to capture and mineralize CO₂

pH Matter
Energy & Power
Developing, manufacturing, and commercializing carbon-based materials for electrochemical applications

Save Energy Systems
Infrastructure & Construction
Intelligent control for multiple HVAC systems in small- to medium-sized facilities

Osmoses
Manufacturing & Processing
Osmoses — develops advanced membrane technology for efficient gas and vapor separations.

Biosfera
Manufacturing & Processing
Production of isoprene from CO₂ for rubber manufacturing, solvents, and fuels

Polymer-X
Manufacturing & Processing
Electrifying sustainable chemical production from waste and hydrocarbons

Massachusetts Climatetech Studio
Energy & Power
Matching teams of entrepreneurs with cutting-edge university and federal lab technologies

Ebb Carbon
Food, Water, & Land
Ebb Carbon — removes atmospheric CO2 and reduces ocean acidification. Using a proprietary electrochemical system to separate acid out of salty water, Ebb de-acidifies the ocean and enhances its natural ability to capture CO2 from the air and store it safely and stably as bicarbonate for at least 10,000 years.

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.

SpadXTech
Food, Water, & Land
SpadXTech — seeks to significantly reduce CO2 emissions through the manufacturing of various carbon negative cellulose-based materials.

FluxWorks
Manufacturing & Processing
Mechatronics company offering dual-use magnetic gears, magnetically geared actuators, sensors, and software

Stork, a Fluor Company
Asset lifecycle-monitoring solutions

FibreCoat
Transportation & Logistics
Thermoplastic-coated glass fibers for use in fiber composites for the automotive and consumer sectors

Earthbond
Energy & Power
Earthbond — is a platform that connects urban Nigerians with affordable financing for clean, reliable energy. They leverage group financing and carbon accounting to lower costs and risk in the energy transition of Nigeria’s $14B fuel-based, off-grid generator market.

Appollo Wind Technologies
Infrastructure & Construction
Improving operation efficiency for HVAC 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.
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