Helping climatetech startupsTransformindustry faster

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.

Onboard Data
Infrastructure & Construction
Onboard — offers software analytics for HVAC service providers.

Eugenie
Manufacturing & Processing
Eugenie — has developed an AI-based predictive maintenance platform that reduces 3% of the total HC production losses suffered by upstream oil and gas operations, thus helping to reduce billions of metric tons of GHG emissions annually.

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.

VentureWell

NeuroBionics
Manufacturing & Processing
Sustainability-focused device for minimally-invasive endovascular deep-brain stimulation for stroke rehabilitation

CeraPhi Energy
Energy & Power
CeraPhi Energy — is a geothermal energy company developing a “plug and play” scalable technology platform.

KUBO Greenhouse Projects
Food, Water, & Land

Solarflux
Energy & Power
SolarFlux — makes the FOCUS, a parabolic dish concentrator capable of delivering flexible, clean, inexpensive solar thermal power for a wide range of applications.

Adaion
Energy & Power
AI-driven grid optimization & integrated system planning platform

RepAir Carbon
Manufacturing & Processing
RepAir - the most efficient, scalable and affordable carbon capture solution, designed for the gigaton scale

SteamIQ
Manufacturing & Processing

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.

WindRays Energy LLC
Energy & Power
WindRays Energy LLC — develops new models of wind energy designs to make widespread implementation in densely populated areas more efficient and profitable.

Carbonext
Manufacturing & Processing
3D-graphene technology that develops integrated solutions with carbon-coated silicon anodes

LineVision
Energy & Power
LineVision — combines advanced non-contact sensor and analytics technologies to give utilities more reliability, capacity, flexibility and resiliency on their transmission lines.

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.

frakktal
Manufacturing & Processing
Biobased polymer process to upend PVC overuse

Packetized Energy
Energy & Power

Syzygy Plasmonics
Manufacturing & Processing
Syzygy Plasmonics — is a technology company developing a new type of photocatalytic chemical reactor to revolutionize the industrial gas, chemical, and energy industries.

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.

Onboard Data
Infrastructure & Construction
Onboard — offers software analytics for HVAC service providers.

Eugenie
Manufacturing & Processing
Eugenie — has developed an AI-based predictive maintenance platform that reduces 3% of the total HC production losses suffered by upstream oil and gas operations, thus helping to reduce billions of metric tons of GHG emissions annually.

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.

VentureWell

NeuroBionics
Manufacturing & Processing
Sustainability-focused device for minimally-invasive endovascular deep-brain stimulation for stroke rehabilitation

CeraPhi Energy
Energy & Power
CeraPhi Energy — is a geothermal energy company developing a “plug and play” scalable technology platform.

KUBO Greenhouse Projects
Food, Water, & Land

Solarflux
Energy & Power
SolarFlux — makes the FOCUS, a parabolic dish concentrator capable of delivering flexible, clean, inexpensive solar thermal power for a wide range of applications.

Adaion
Energy & Power
AI-driven grid optimization & integrated system planning platform

RepAir Carbon
Manufacturing & Processing
RepAir - the most efficient, scalable and affordable carbon capture solution, designed for the gigaton scale

SteamIQ
Manufacturing & Processing

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.

WindRays Energy LLC
Energy & Power
WindRays Energy LLC — develops new models of wind energy designs to make widespread implementation in densely populated areas more efficient and profitable.

Carbonext
Manufacturing & Processing
3D-graphene technology that develops integrated solutions with carbon-coated silicon anodes

LineVision
Energy & Power
LineVision — combines advanced non-contact sensor and analytics technologies to give utilities more reliability, capacity, flexibility and resiliency on their transmission lines.

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.

frakktal
Manufacturing & Processing
Biobased polymer process to upend PVC overuse

Packetized Energy
Energy & Power

Syzygy Plasmonics
Manufacturing & Processing
Syzygy Plasmonics — is a technology company developing a new type of photocatalytic chemical reactor to revolutionize the industrial gas, chemical, and energy industries.

Revterra
Energy & Power
Kinetic stabilizer for instant grid stabilization for industrial manufacturing, data centers, and rapid EV charging

Aelun

NOC Energy
Energy & Power
Decarbonizing industrial heat with power-to-heat and power-to-power solutions

Corumat
Manufacturing & Processing

CZAR Power
Energy & Power

Agrilab Technologies Inc.
Food, Water, & Land
Modular compost-aeration and heat-recovery systems

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.

Tank Utility
Energy & Power

Terralytiq
Manufacturing & Processing
Digital models that deliver Scope 3 hotspots, actionable initiatives, and supplier engagement to cut cost and carbon

Sustainable America
Food, Water, & Land

AllSpice.io
Infrastructure & Construction
A collaboration hub for hardware teams with revision control, design reviews, and releases

SensorEra
Food, Water, & Land
SensorEra — provides real time induced seismic monitoring service for unconventional oil and gas production, salt water disposal and carbon injection and sequestration for CCUS.

FLITE Material Sciences
Manufacturing & Processing

Wellbore Consultants
Energy & Power
Advanced subsurface stimulation systems to improve resource recovery while reducing energy intensity, water usage, and surface impact

FLUIDXLAB Americas Inc.
Manufacturing & Processing
AI-powered microfluidic tools that help control and improve fluid processes across many industries

Altitude
Altitude (subsidiary of Accenture) — is a privately held product design and innovation firm based in Boston that uses its expertise in consumer insight, design and product engineering to help companies innovate and develop new physical products and services.

EarthEn
Energy & Power
Enabling electrification through CO₂-based thermodynamic cycle

Mars Materials
Manufacturing & Processing
Converting CO₂ and biomass into acrylonitrile

Halo Energy
Energy & Power

Global ROC
Food, Water, & Land
Global ROC — provides an innovative technology solution for cooling tower systems that reduces chemical consumption, saves water, and decreases energy costs.

Revterra
Energy & Power
Kinetic stabilizer for instant grid stabilization for industrial manufacturing, data centers, and rapid EV charging

Aelun

NOC Energy
Energy & Power
Decarbonizing industrial heat with power-to-heat and power-to-power solutions

Corumat
Manufacturing & Processing

CZAR Power
Energy & Power

Agrilab Technologies Inc.
Food, Water, & Land
Modular compost-aeration and heat-recovery systems

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.

Tank Utility
Energy & Power

Terralytiq
Manufacturing & Processing
Digital models that deliver Scope 3 hotspots, actionable initiatives, and supplier engagement to cut cost and carbon

Sustainable America
Food, Water, & Land

AllSpice.io
Infrastructure & Construction
A collaboration hub for hardware teams with revision control, design reviews, and releases

SensorEra
Food, Water, & Land
SensorEra — provides real time induced seismic monitoring service for unconventional oil and gas production, salt water disposal and carbon injection and sequestration for CCUS.

FLITE Material Sciences
Manufacturing & Processing

Wellbore Consultants
Energy & Power
Advanced subsurface stimulation systems to improve resource recovery while reducing energy intensity, water usage, and surface impact

FLUIDXLAB Americas Inc.
Manufacturing & Processing
AI-powered microfluidic tools that help control and improve fluid processes across many industries

Altitude
Altitude (subsidiary of Accenture) — is a privately held product design and innovation firm based in Boston that uses its expertise in consumer insight, design and product engineering to help companies innovate and develop new physical products and services.

EarthEn
Energy & Power
Enabling electrification through CO₂-based thermodynamic cycle

Mars Materials
Manufacturing & Processing
Converting CO₂ and biomass into acrylonitrile

Halo Energy
Energy & Power

Global ROC
Food, Water, & Land
Global ROC — provides an innovative technology solution for cooling tower systems that reduces chemical consumption, saves water, and decreases energy costs.




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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