Transforming industry faster
Transforming the systems that power, move, feed, and connect the world is the work of our time, and startups hold the key.
But breakthroughs don't scale in isolation.
They scale when entire ecosystems move together: founders, corporates, capital, policy, and communities, united by a shared purpose of propelling groundbreaking technologies to market, at the pace the world requires.
EarthEn
Energy & Power
Enabling electrification through CO₂-based thermodynamic cycle
FLUIDXLAB Americas Inc.
Manufacturing & Processing
AI-powered microfluidic tools that help control and improve fluid processes across many industries
Conduit Tech
Infrastructure & Construction
Supporting HVAC contractors through design, sales, and installation
AllSpice.io
Infrastructure & Construction
A collaboration hub for hardware teams with revision control, design reviews, and releases
Carbonext
Manufacturing & Processing
3D-graphene technology that develops integrated solutions with carbon-coated silicon anodes
Allkemie
Manufacturing & Processing
Producing tailored graphene and other nanomaterials at scale
Solar Mantle
Infrastructure & Construction
Film that reflects sunlight for energy-free passive cooling of structures
AdaViv
Food, Water, & Land
Hardware-enabled crop-care software for greenhouse and indoor growers to maximize quality yields without added labor
Andros Innovations
Manufacturing & Processing
Reducing the costs and energy demands of ammonia production through advanced reactor technology
Daniel Consulting Group, LLC
Energy & Power
Helping researchers improve battery and cell testing and providing due diligence for potential investors
Revvit
Infrastructure & Construction
Low-cost, simple EV charging at commercial, multifamily, fleet parking, and public properties
Latitude Media
News, podcasts, market intelligence, and events for the climatetech industry
Loop CO2
Manufacturing & Processing
Transforming CO₂ into sustainable polymers to create fully recyclable materials
Coflux Purification, Inc
Food, Water, & Land
A modular, on-site water treatment system eliminating persistent contaminants from water and industrial waste streams
Prithvi Ventures
Investing in startups reducing emissions with unique solutions for net-zero goals
Corrolytics
Energy & Power
Corrosion detection through electrochemical innovation, integrated with advanced AI technology
Lydian
Manufacturing & Processing
Fully electrified reactors for high-efficiency conversion of non-fossil feedstocks into pure syngas
Lumiere Solutions
Infrastructure & Construction
Residential low-voltage and automated single efficiency-driven ecosystems that reduce energy waste
ATS Energy
Energy & Power
Converting waste heat into power without any moving parts
FlowCellutions
Energy & Power
Preventing power outages and improving cost savings for critical battery systems
EarthEn
Energy & Power
Enabling electrification through CO₂-based thermodynamic cycle
FLUIDXLAB Americas Inc.
Manufacturing & Processing
AI-powered microfluidic tools that help control and improve fluid processes across many industries
Conduit Tech
Infrastructure & Construction
Supporting HVAC contractors through design, sales, and installation
AllSpice.io
Infrastructure & Construction
A collaboration hub for hardware teams with revision control, design reviews, and releases
Carbonext
Manufacturing & Processing
3D-graphene technology that develops integrated solutions with carbon-coated silicon anodes
Allkemie
Manufacturing & Processing
Producing tailored graphene and other nanomaterials at scale
Solar Mantle
Infrastructure & Construction
Film that reflects sunlight for energy-free passive cooling of structures
AdaViv
Food, Water, & Land
Hardware-enabled crop-care software for greenhouse and indoor growers to maximize quality yields without added labor
Andros Innovations
Manufacturing & Processing
Reducing the costs and energy demands of ammonia production through advanced reactor technology
Daniel Consulting Group, LLC
Energy & Power
Helping researchers improve battery and cell testing and providing due diligence for potential investors
Revvit
Infrastructure & Construction
Low-cost, simple EV charging at commercial, multifamily, fleet parking, and public properties
Latitude Media
News, podcasts, market intelligence, and events for the climatetech industry
Loop CO2
Manufacturing & Processing
Transforming CO₂ into sustainable polymers to create fully recyclable materials
Coflux Purification, Inc
Food, Water, & Land
A modular, on-site water treatment system eliminating persistent contaminants from water and industrial waste streams
Prithvi Ventures
Investing in startups reducing emissions with unique solutions for net-zero goals
Corrolytics
Energy & Power
Corrosion detection through electrochemical innovation, integrated with advanced AI technology
Lydian
Manufacturing & Processing
Fully electrified reactors for high-efficiency conversion of non-fossil feedstocks into pure syngas
Lumiere Solutions
Infrastructure & Construction
Residential low-voltage and automated single efficiency-driven ecosystems that reduce energy waste
ATS Energy
Energy & Power
Converting waste heat into power without any moving parts
FlowCellutions
Energy & Power
Preventing power outages and improving cost savings for critical battery systems
Thalon Materials
R&P Employer Solutions
Manufacturing & Processing
HR services, workers compensation, payroll, benefits, and compliance for Houston-area employers
Glimpse Engineering
Manufacturing & Processing
Visualizing battery scans and continuously monitoring key battery-design features
BluBridge Energy Solutions
Energy & Power
Removing undesired elements from pre- and post-combustion gas streams
ClearTrace
Energy & Power
Product suite for traceable, end-to-end data management of electricity and certificate transactions
Innovator Energy
Energy & Power
Developing and deploying solutions in cooling, heating, and heat transfer
Matterworks
Manufacturing & Processing
Enabling metabolomics assays that are fast, broad, and can characterize diverse chemical classes with a single setup
Thola
Energy & Power
On-demand marketplace for commercial building sustainability and safety management
Deep Anchor Solutions
Infrastructure & Construction
Anchoring solutions for floating applications including energy, aquaculture, and large-scale infrastructure
PV Nano Cell
Energy & Power
Advanced nano conductive pastes enabling finer, faster, and more efficient metallization for next-gen solar cells
Upstream Tech
Energy & Power
Software that expands access to environmental data through remote monitoring and reporting for seasonal forecasts
Aeromine Technologies, Inc.
Energy & Power
Bladeless, motionless wind turbines for the built environment
Overstory
Food, Water, & Land
Minimizing vegetation contact with power lines using satellite imagery, climate data, and machine learning
BLU NXT
Energy & Power
Solar concentrators for high-temperature heat and energy
Janta Power
Energy & Power
The world’s first 3D solar tower technology
Biosimo
Manufacturing & Processing
Biosimo makes eco-friendly chemicals from plant waste using a clean, low-cost process
PooPoof Inc
Food, Water, & Land
The world’s first pocket-sized bioreactor
NewGrid
Energy & Power
Software and services to enable system operators, utilities, and power market participants to reduce grid congestion
Adept Materials
Infrastructure & Construction
Material innovations that improve moisture regulation, comfort, and energy efficiency
Clear Sky Innovations
Manufacturing & Processing
A physics-based, AI-powered geoscience platform that uses multi-modal data sets to minimize time spent on data wrangling
Thalon Materials
R&P Employer Solutions
Manufacturing & Processing
HR services, workers compensation, payroll, benefits, and compliance for Houston-area employers
Glimpse Engineering
Manufacturing & Processing
Visualizing battery scans and continuously monitoring key battery-design features
BluBridge Energy Solutions
Energy & Power
Removing undesired elements from pre- and post-combustion gas streams
ClearTrace
Energy & Power
Product suite for traceable, end-to-end data management of electricity and certificate transactions
Innovator Energy
Energy & Power
Developing and deploying solutions in cooling, heating, and heat transfer
Matterworks
Manufacturing & Processing
Enabling metabolomics assays that are fast, broad, and can characterize diverse chemical classes with a single setup
Thola
Energy & Power
On-demand marketplace for commercial building sustainability and safety management
Deep Anchor Solutions
Infrastructure & Construction
Anchoring solutions for floating applications including energy, aquaculture, and large-scale infrastructure
PV Nano Cell
Energy & Power
Advanced nano conductive pastes enabling finer, faster, and more efficient metallization for next-gen solar cells
Upstream Tech
Energy & Power
Software that expands access to environmental data through remote monitoring and reporting for seasonal forecasts
Aeromine Technologies, Inc.
Energy & Power
Bladeless, motionless wind turbines for the built environment
Overstory
Food, Water, & Land
Minimizing vegetation contact with power lines using satellite imagery, climate data, and machine learning
BLU NXT
Energy & Power
Solar concentrators for high-temperature heat and energy
Janta Power
Energy & Power
The world’s first 3D solar tower technology
Biosimo
Manufacturing & Processing
Biosimo makes eco-friendly chemicals from plant waste using a clean, low-cost process
PooPoof Inc
Food, Water, & Land
The world’s first pocket-sized bioreactor
NewGrid
Energy & Power
Software and services to enable system operators, utilities, and power market participants to reduce grid congestion
Adept Materials
Infrastructure & Construction
Material innovations that improve moisture regulation, comfort, and energy efficiency
Clear Sky Innovations
Manufacturing & Processing
A physics-based, AI-powered geoscience platform that uses multi-modal data sets to minimize time spent on data wrangling
Our Startups Have Raised Over $0B
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Startups Operate
12,915 new jobs created by our members, and counting
Boston
7,492
Houston
5,423
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
We pride ourselves on being a convener of the climatetech ecosystem. Join us at an upcoming event to explore all things climate action and collaboration.
Learn About our Programs
In addition to our Boston and Houston incubators, Greentown runs programs designed to address critical challenges in the climatetech ecosystem.