Helping climatetech startupsTransformindustry faster

Sheetak
Manufacturing & Processing
Based in Austin, Texas, Sheetak develops advanced thermoelectric, solid-state cooling, and energy harvesting technologies for high-performance electronics. With expertise in thermoelectric materials, device engineering, and U.S.-based manufacturing, Sheetak provides precision thermal management solutions for applications in photonics, telecommunications, aerospace, defense, computing, and medical systems.

Biko Biolabs
Manufacturing & Processing
Biko Biolabs — is developing a platform technology that will empower marginalized or under-resourced communities to solve problems at the local scale. Their first project is a plastic-to-soil technology, a technique for breaking down plastic waste into valuable compost. This allows the community to avoid landfilling, incinerating, or littering the plastic, while also supporting a circular economy and turning the waste into a valuable product.

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

Demia
Manufacturing & Processing
Demia is a secure, real-time data infrastructure and platform that streamlines carbon certification, enabling faster, cost-effective scaling of climate projects on our path to 1 Billion tons of annual impact. With cutting-edge technology and strong industry partnerships, Demia ensures transparency, trust, and maximized climate impact for every dollar invested.

7Analytics
Infrastructure & Construction
7Analytics is a climate-tech startup developing superior high-precision predictive models for floods, enhancing urban resilience to climate change. Our mission is to empower asset owners, insurance companies and governance with the tools needed to mitigate the impacts of extreme weather events.

Understory
Infrastructure & Construction
Weather hardware and analytics

Resonant Energy
Energy & Power

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

Skytree
Food, Water, & Land
Skytree — harnesses carbon through the power of decentralized direct air capture technology. They create one of the world’s smallest and simplest circular carbon solution to transform how food is grown to provide cleaner water.

BETZ Group
Energy & Power
BETZ Group lead a global team of passionate professionals dedicated to advancing the development and adoption of innovative data technologies,remote sensing technologies and IT solutions in the fields of cleantech and critical infrastructure.

Circulus Air
Infrastructure & Construction
Clean air systems to directly remove harmful gases and pollutants

Adiabatic Materials
Manufacturing & Processing
Unlocking clean, affordable chemical production with electricity

Ecobrew
Food, Water, & Land
Recycling clean CO₂ at the source for a circular supply, local reuse, or sale

Radical Plastics
Manufacturing & Processing
Radical Plastics — is commercializing a patented technology for producing economical, biodegradable plastics that are a drop-in replacement for conventional, persistent plastics.

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.

AIRCO
Energy & Power

Stork, a Fluor Company

WhaleSpotter
Transportation & Logistics
Thermal imaging and AI to prevent marine mammal strikes at sea

GreenLIB
Manufacturing & Processing

Vertical Semiconductor
Energy & Power
Power supply units designed to unleash the full potential of AI & HPC

Sheetak
Manufacturing & Processing
Based in Austin, Texas, Sheetak develops advanced thermoelectric, solid-state cooling, and energy harvesting technologies for high-performance electronics. With expertise in thermoelectric materials, device engineering, and U.S.-based manufacturing, Sheetak provides precision thermal management solutions for applications in photonics, telecommunications, aerospace, defense, computing, and medical systems.

Biko Biolabs
Manufacturing & Processing
Biko Biolabs — is developing a platform technology that will empower marginalized or under-resourced communities to solve problems at the local scale. Their first project is a plastic-to-soil technology, a technique for breaking down plastic waste into valuable compost. This allows the community to avoid landfilling, incinerating, or littering the plastic, while also supporting a circular economy and turning the waste into a valuable product.

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

Demia
Manufacturing & Processing
Demia is a secure, real-time data infrastructure and platform that streamlines carbon certification, enabling faster, cost-effective scaling of climate projects on our path to 1 Billion tons of annual impact. With cutting-edge technology and strong industry partnerships, Demia ensures transparency, trust, and maximized climate impact for every dollar invested.

7Analytics
Infrastructure & Construction
7Analytics is a climate-tech startup developing superior high-precision predictive models for floods, enhancing urban resilience to climate change. Our mission is to empower asset owners, insurance companies and governance with the tools needed to mitigate the impacts of extreme weather events.

Understory
Infrastructure & Construction
Weather hardware and analytics

Resonant Energy
Energy & Power

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

Skytree
Food, Water, & Land
Skytree — harnesses carbon through the power of decentralized direct air capture technology. They create one of the world’s smallest and simplest circular carbon solution to transform how food is grown to provide cleaner water.

BETZ Group
Energy & Power
BETZ Group lead a global team of passionate professionals dedicated to advancing the development and adoption of innovative data technologies,remote sensing technologies and IT solutions in the fields of cleantech and critical infrastructure.

Circulus Air
Infrastructure & Construction
Clean air systems to directly remove harmful gases and pollutants

Adiabatic Materials
Manufacturing & Processing
Unlocking clean, affordable chemical production with electricity

Ecobrew
Food, Water, & Land
Recycling clean CO₂ at the source for a circular supply, local reuse, or sale

Radical Plastics
Manufacturing & Processing
Radical Plastics — is commercializing a patented technology for producing economical, biodegradable plastics that are a drop-in replacement for conventional, persistent plastics.

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.

AIRCO
Energy & Power

Stork, a Fluor Company

WhaleSpotter
Transportation & Logistics
Thermal imaging and AI to prevent marine mammal strikes at sea

GreenLIB
Manufacturing & Processing

Vertical Semiconductor
Energy & Power
Power supply units designed to unleash the full potential of AI & HPC

American Battery Technology Company
Energy & Power
Advanced technology, first-mover lithium-ion battery recycling and primary battery metal extraction company

Regenerative Resources
Food, Water, & Land
Regenerative Resources — is an ecosystems services company that acquires highly-degraded land and transforms it in order to reuse it for aquaculture.

Sistine Solar
Energy & Power
Sistine Solar — creates SolarSkin, an aesthetic overlay that transforms the look of any solar panel. It can make the panel blend in with a homeowner’s roof—no matter what color, pattern, or style.

Embue
Infrastructure & Construction

Enviro Power Technologies
Energy & Power
Enviro Power Technologies — is replacing aging heating equipment with their breakthrough SmartWatt heat & power technology providing energy solutions servicing millions of homes, businesses and their power utilities in lowering ever increasing utility bills and increasing resiliency and reliability.

ALGBIO
Manufacturing & Processing
ALGBIO — treats wastewater and captures CO2 with microalgae to produce biofuels, bioplastics, biomaterials and generate carbon credits.

Dottir Labs
Food, Water, & Land
Sensor technology that provides real-time, detailed chemical analysis of water

Sankofa Dynamics
Food, Water, & Land

Infinite Cooling
Infrastructure & Construction
Infinite Cooling — reduces water consumption in industrial plants by capturing cooling tower plumes. The company has a patent-pending technology developed at MIT that uses electric fields to capture water from the plumes leaving cooling towers.

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

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

Energy Intelligence
Energy & Power
Energy Intelligence — develops ultra-compact energy harvesting systems that are installed on roads to turn the motion of vehicles into electricity.

LNK Energies
Energy & Power
LNK is an MIT spin-out enabling zero-emission heavy-duty mobility without a price premium.

Renewell Energy
Energy & Power
Gravitational energy storage

Aja Labs
Manufacturing & Processing

Aeon Blue Technologies
Manufacturing & Processing
By matching chemical plant production with green variable power, ABT offers a solution that can boost profit margins by reducing electricity costs, making plants safer for employees and surrounding communities, and solving one of the most pressing challenges faced by the industrial sector: manufacturing without carbon. Aeon Blue aims for swift deployment of its advanced intermittency technology through licensing and EPC support with a fee and royalties model.

Foray Bioscience
Manufacturing & Processing

Endeavor Composites
Manufacturing & Processing
Sustainably repurposing landfill-destined post-industrial fibers into semi-finished goods for the composite industry

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.

Pike Robotics
Energy & Power
Wall-crawling robots with advanced sensors to perform in-service inspections inside hazardous spaces

American Battery Technology Company
Energy & Power
Advanced technology, first-mover lithium-ion battery recycling and primary battery metal extraction company

Regenerative Resources
Food, Water, & Land
Regenerative Resources — is an ecosystems services company that acquires highly-degraded land and transforms it in order to reuse it for aquaculture.

Sistine Solar
Energy & Power
Sistine Solar — creates SolarSkin, an aesthetic overlay that transforms the look of any solar panel. It can make the panel blend in with a homeowner’s roof—no matter what color, pattern, or style.

Embue
Infrastructure & Construction

Enviro Power Technologies
Energy & Power
Enviro Power Technologies — is replacing aging heating equipment with their breakthrough SmartWatt heat & power technology providing energy solutions servicing millions of homes, businesses and their power utilities in lowering ever increasing utility bills and increasing resiliency and reliability.

ALGBIO
Manufacturing & Processing
ALGBIO — treats wastewater and captures CO2 with microalgae to produce biofuels, bioplastics, biomaterials and generate carbon credits.

Dottir Labs
Food, Water, & Land
Sensor technology that provides real-time, detailed chemical analysis of water

Sankofa Dynamics
Food, Water, & Land

Infinite Cooling
Infrastructure & Construction
Infinite Cooling — reduces water consumption in industrial plants by capturing cooling tower plumes. The company has a patent-pending technology developed at MIT that uses electric fields to capture water from the plumes leaving cooling towers.

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

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

Energy Intelligence
Energy & Power
Energy Intelligence — develops ultra-compact energy harvesting systems that are installed on roads to turn the motion of vehicles into electricity.

LNK Energies
Energy & Power
LNK is an MIT spin-out enabling zero-emission heavy-duty mobility without a price premium.

Renewell Energy
Energy & Power
Gravitational energy storage

Aja Labs
Manufacturing & Processing

Aeon Blue Technologies
Manufacturing & Processing
By matching chemical plant production with green variable power, ABT offers a solution that can boost profit margins by reducing electricity costs, making plants safer for employees and surrounding communities, and solving one of the most pressing challenges faced by the industrial sector: manufacturing without carbon. Aeon Blue aims for swift deployment of its advanced intermittency technology through licensing and EPC support with a fee and royalties model.

Foray Bioscience
Manufacturing & Processing

Endeavor Composites
Manufacturing & Processing
Sustainably repurposing landfill-destined post-industrial fibers into semi-finished goods for the composite industry

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.

Pike Robotics
Energy & Power
Wall-crawling robots with advanced sensors to perform in-service inspections inside hazardous spaces




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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