Helping climatetech startupsTransformindustry faster

Armada AI

Foray Bioscience
Manufacturing & Processing

9T Labs
Manufacturing & Processing

Vecarius
Infrastructure & Construction
Heat-to-electricity technology to boost energy efficiency in mass markets

Kausalyze
Manufacturing & Processing
True root-cause analysis for chemicals, energy, and pharmaceutical companies

NBD Nano
Manufacturing & Processing
NBD Nano — utilizes biomimicry to create functional and durable surface coatings that improve water collection, transport, and repellency.

Massachusetts Materials Technologies
Energy & Power
Seamlessly measuring the mechanical properties of pipelines without interruption

Hunt Energy Enterprises
Energy & Power

EVLO Energy Storage
Energy & Power

Hicor Technologies Inc.
Energy & Power

Veloce Energy
Energy & Power
Veloce Energy — develops technology to create intelligent, flexible, and scalable grid-edge energy networks (GrEEN). Initially focused on cost-reduction in EV charging stations, the Veloce FastGrid™ system uniquely combines energy storage, intelligence, a streamlined installation system, and a unique charging-infrastructure-as-a-service model to maximize and deliver customer value.

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.

Building Envelope Materials
Infrastructure & Construction

Florrent
Food, Water, & Land
High-energy-density supercapacitors for energy storage, made from domestic biomass waste

Amogy
Energy & Power
Amogy — is building a novel portable carbon-free energy system using ammonia as a renewable fuel. Their system has 5x higher system-level energy densities compared to lithium batteries.

Dexai Robotics
Food, Water, & Land

Tycho Solutions
Energy & Power

Sunwealth
Energy & Power

REVOLUTION Turbine Technologies
Energy & Power
REVOLUTION Turbine Technologies (RTT) — is the clean energy partner for oil & gas operators ready to leverage smart waste-energy recovery to generate emission-free power for remote operations. RTT is meeting the most demanding power generation challenges of today and tomorrow with a highly experienced team of entrepreneurs, technology developers, and innovators.

SEEDiA
Energy & Power
SEEDiA — is making cities sustainable by reducing CO2 emissions and keeping citizen connected and charged up.

Armada AI

Foray Bioscience
Manufacturing & Processing

9T Labs
Manufacturing & Processing

Vecarius
Infrastructure & Construction
Heat-to-electricity technology to boost energy efficiency in mass markets

Kausalyze
Manufacturing & Processing
True root-cause analysis for chemicals, energy, and pharmaceutical companies

NBD Nano
Manufacturing & Processing
NBD Nano — utilizes biomimicry to create functional and durable surface coatings that improve water collection, transport, and repellency.

Massachusetts Materials Technologies
Energy & Power
Seamlessly measuring the mechanical properties of pipelines without interruption

Hunt Energy Enterprises
Energy & Power

EVLO Energy Storage
Energy & Power

Hicor Technologies Inc.
Energy & Power

Veloce Energy
Energy & Power
Veloce Energy — develops technology to create intelligent, flexible, and scalable grid-edge energy networks (GrEEN). Initially focused on cost-reduction in EV charging stations, the Veloce FastGrid™ system uniquely combines energy storage, intelligence, a streamlined installation system, and a unique charging-infrastructure-as-a-service model to maximize and deliver customer value.

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.

Building Envelope Materials
Infrastructure & Construction

Florrent
Food, Water, & Land
High-energy-density supercapacitors for energy storage, made from domestic biomass waste

Amogy
Energy & Power
Amogy — is building a novel portable carbon-free energy system using ammonia as a renewable fuel. Their system has 5x higher system-level energy densities compared to lithium batteries.

Dexai Robotics
Food, Water, & Land

Tycho Solutions
Energy & Power

Sunwealth
Energy & Power

REVOLUTION Turbine Technologies
Energy & Power
REVOLUTION Turbine Technologies (RTT) — is the clean energy partner for oil & gas operators ready to leverage smart waste-energy recovery to generate emission-free power for remote operations. RTT is meeting the most demanding power generation challenges of today and tomorrow with a highly experienced team of entrepreneurs, technology developers, and innovators.

SEEDiA
Energy & Power
SEEDiA — is making cities sustainable by reducing CO2 emissions and keeping citizen connected and charged up.

Sankofa Dynamics
Food, Water, & Land

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.

Torres Orbital Mining Inc (TOM)
Infrastructure & Construction
Autonomous lunar excavation systems for dust-free regolith mining and space operations

Infranergy
Energy & Power

Root AI
Food, Water, & Land

frakktal
Manufacturing & Processing
Biobased polymer process to upend PVC overuse

WattGlass
Energy & Power

LiftOFF Technology
Energy & Power
Batteries with breakthrough energy density and safety

Carbontec
Infrastructure & Construction

BlakBear
Food, Water, & Land

NewGrid
Energy & Power
Software and services to enable system operators, utilities, and power market participants to reduce grid congestion

Cyvl
Infrastructure & Construction
Cyvl.ai (formerly Roadgnar) — helps cities and businesses better manage their physical infrastructure assets like roads, bridges, sidewalks, buildings, and more with distributed data collection devices and machine learning.

Hempitecture
Manufacturing & Processing
Hempitecture (Ketchum, ID) is a manufacturer and distributor of biobased building materials, including their low embodied carbon insulation, HempWool®.

Amplified Industries
Infrastructure & Construction
AI-driven control solution for oil wells using acoustic signals and edge computing to reduce costs and detect issues

Skylark Wireless
Manufacturing & Processing
Far more than 5G: Skylark builds affordable, long-range, and high-speed wireless systems for rural broadband providers.

Sealed
Infrastructure & Construction

New Mantle Technologies
Energy & Power
Subsurface characterization with physics and AI

Phoenix Tailings
Manufacturing & Processing
Waste-free, net-zero, cost-competitive rare-earth-metal refining

QEA Tech
Energy & Power
Precise, data-driven building-envelope audits using patented AI software, drones, and thermography

Candid Intelligence
Infrastructure & Construction
Accelerating pre-construction engineering with Agentic AI

Sankofa Dynamics
Food, Water, & Land

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.

Torres Orbital Mining Inc (TOM)
Infrastructure & Construction
Autonomous lunar excavation systems for dust-free regolith mining and space operations

Infranergy
Energy & Power

Root AI
Food, Water, & Land

frakktal
Manufacturing & Processing
Biobased polymer process to upend PVC overuse

WattGlass
Energy & Power

LiftOFF Technology
Energy & Power
Batteries with breakthrough energy density and safety

Carbontec
Infrastructure & Construction

BlakBear
Food, Water, & Land

NewGrid
Energy & Power
Software and services to enable system operators, utilities, and power market participants to reduce grid congestion

Cyvl
Infrastructure & Construction
Cyvl.ai (formerly Roadgnar) — helps cities and businesses better manage their physical infrastructure assets like roads, bridges, sidewalks, buildings, and more with distributed data collection devices and machine learning.

Hempitecture
Manufacturing & Processing
Hempitecture (Ketchum, ID) is a manufacturer and distributor of biobased building materials, including their low embodied carbon insulation, HempWool®.

Amplified Industries
Infrastructure & Construction
AI-driven control solution for oil wells using acoustic signals and edge computing to reduce costs and detect issues

Skylark Wireless
Manufacturing & Processing
Far more than 5G: Skylark builds affordable, long-range, and high-speed wireless systems for rural broadband providers.

Sealed
Infrastructure & Construction

New Mantle Technologies
Energy & Power
Subsurface characterization with physics and AI

Phoenix Tailings
Manufacturing & Processing
Waste-free, net-zero, cost-competitive rare-earth-metal refining

QEA Tech
Energy & Power
Precise, data-driven building-envelope audits using patented AI software, drones, and thermography

Candid Intelligence
Infrastructure & Construction
Accelerating pre-construction engineering with Agentic AI




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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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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Access the most concentrated pipeline of vetted climatetech companies in North America. Partner on pilots, invest, or join as a corporate sponsor.

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