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.
Daniel Consulting Group, LLC
Energy & Power
Helping researchers improve battery and cell testing and providing due diligence for potential investors
Zero Homes
Infrastructure & Construction
Automated assessment, design, and procurement platform for residential building retrofits
AdaViv
Food, Water, & Land
Hardware-enabled crop-care software for greenhouse and indoor growers to maximize quality yields without added labor
Revterra
Energy & Power
Kinetic stabilizer for instant grid stabilization for industrial manufacturing, data centers, and rapid EV charging
frakktal
Manufacturing & Processing
Biobased polymer process to upend PVC overuse
REON Technology
Energy & Power
AI-driven optimization of systems through tailored power management of batteries and PV panels for energy storage
Conduit Tech
Infrastructure & Construction
Supporting HVAC contractors through design, sales, and installation
Ententia
Energy & Power
Trusted, scalable enterprise AI solutions that turn context into competitive advantage
EnergyGigs
Food, Water, & Land
Talent and freelance platform for the energy industry
Decimetrix
Energy & Power
AI platform to help clients measure their carbon footprint
Saint-Gobain (Member Account)
Infrastructure & Construction
Worldwide leader in light and sustainable construction
Thalon Materials
Fluor Enterprises, Inc.
Energy & Power
Leading global engineering, procurement and construction (EPC) company
Packwise
Manufacturing & Processing
IIoT sensors combined with a software and analytics platform to optimize industrial supply chains
NewGrid
Energy & Power
Software and services to enable system operators, utilities, and power market participants to reduce grid congestion
Agrilab Technologies Inc.
Food, Water, & Land
Modular compost-aeration and heat-recovery systems
Rafi Properties
Infrastructure & Construction
Alma Energy
Energy & Power
Geothermal exploration to deliver scaled renewable energy production at economic levels
CLS Wind
Energy & Power
Self-erecting system for installing wind turbines
Mithril Technologies
Infrastructure & Construction
Reshapable reflectors for advanced antennas & radars for space-based earth and severe weather monitoring
Daniel Consulting Group, LLC
Energy & Power
Helping researchers improve battery and cell testing and providing due diligence for potential investors
Zero Homes
Infrastructure & Construction
Automated assessment, design, and procurement platform for residential building retrofits
AdaViv
Food, Water, & Land
Hardware-enabled crop-care software for greenhouse and indoor growers to maximize quality yields without added labor
Revterra
Energy & Power
Kinetic stabilizer for instant grid stabilization for industrial manufacturing, data centers, and rapid EV charging
frakktal
Manufacturing & Processing
Biobased polymer process to upend PVC overuse
REON Technology
Energy & Power
AI-driven optimization of systems through tailored power management of batteries and PV panels for energy storage
Conduit Tech
Infrastructure & Construction
Supporting HVAC contractors through design, sales, and installation
Ententia
Energy & Power
Trusted, scalable enterprise AI solutions that turn context into competitive advantage
EnergyGigs
Food, Water, & Land
Talent and freelance platform for the energy industry
Decimetrix
Energy & Power
AI platform to help clients measure their carbon footprint
Saint-Gobain (Member Account)
Infrastructure & Construction
Worldwide leader in light and sustainable construction
Thalon Materials
Fluor Enterprises, Inc.
Energy & Power
Leading global engineering, procurement and construction (EPC) company
Packwise
Manufacturing & Processing
IIoT sensors combined with a software and analytics platform to optimize industrial supply chains
NewGrid
Energy & Power
Software and services to enable system operators, utilities, and power market participants to reduce grid congestion
Agrilab Technologies Inc.
Food, Water, & Land
Modular compost-aeration and heat-recovery systems
Rafi Properties
Infrastructure & Construction
Alma Energy
Energy & Power
Geothermal exploration to deliver scaled renewable energy production at economic levels
CLS Wind
Energy & Power
Self-erecting system for installing wind turbines
Mithril Technologies
Infrastructure & Construction
Reshapable reflectors for advanced antennas & radars for space-based earth and severe weather monitoring
Adiabatic Materials
Manufacturing & Processing
Unlocking clean, affordable chemical production with electricity
Wellbore Consultants
Energy & Power
Advanced subsurface stimulation systems to improve resource recovery while reducing energy intensity, water usage, and surface impact
Coflux Purification, Inc
Food, Water, & Land
A modular, on-site water treatment system eliminating persistent contaminants from water and industrial waste streams
Timbergrove
Energy & Power
Building AI + IoT solutions that connect and optimize assets, boosting visibility, safety, and efficiency
Cemvita
Manufacturing & Processing
Engineered microbes to transform CO₂ and other wastes into valuable compounds, closing the carbon and waste loop
Emrod
Energy & Power
Sustainable power with long-range wireless power transfer technology
Thiozen
Manufacturing & Processing
Chemical waste-to-hydrogen cycle that removes hydrogen sulfide from gas streams and generates zero-emission hydrogen
Reframe Systems
Infrastructure & Construction
Offsite construction of zero-carbon buildings with volumetric modules manufactured with robotic microfactories
Priority Investor Loans
Infrastructure & Construction
Simplified loan programs to fund real estate investors nationwide with income-producing properties
Browning the Green Space
Food, Water, & Land
Addressing diversity, equity, and inclusion across careers, companies, contracts, capital, and communities
AeroShield Materials
Infrastructure & Construction
Insulating, porous aerogels for energy-efficient windows
change:WATER Labs
Food, Water, & Land
Low-cost, compact, waterless toilet for non-sewered households and communities
Teknobuilt
Infrastructure & Construction
Cloud-based construction project management software
Dandelion Energy
Infrastructure & Construction
Geothermal heating and cooling systems for homes
InnoEnergy (Member Account)
Energy & Power
Industrializing cleantech innovation to enable and grow a global net-zero economy
ONEPREDICT
Manufacturing & Processing
Predicting and diagnosing the status of key industrial assets for the energy and manufacturing industries
FAST Metals
Manufacturing & Processing
Hydrometallurgical-recovery process for extracting rare-earth elements from industrial tailings
Elemental Advanced Materials
Manufacturing & Processing
Graphene and hydrogen from mixed and contaminated waste plastics and other organic materials
COI Energy
Energy & Power
AI and machine learning to predict and prevent energy waste
Ivys Energy Solutions
Energy & Power
On-site hydrogen-generation and -dispensing appliance that uses water and electricity to make fuel-cell-grade hydrogen
Adiabatic Materials
Manufacturing & Processing
Unlocking clean, affordable chemical production with electricity
Wellbore Consultants
Energy & Power
Advanced subsurface stimulation systems to improve resource recovery while reducing energy intensity, water usage, and surface impact
Coflux Purification, Inc
Food, Water, & Land
A modular, on-site water treatment system eliminating persistent contaminants from water and industrial waste streams
Timbergrove
Energy & Power
Building AI + IoT solutions that connect and optimize assets, boosting visibility, safety, and efficiency
Cemvita
Manufacturing & Processing
Engineered microbes to transform CO₂ and other wastes into valuable compounds, closing the carbon and waste loop
Emrod
Energy & Power
Sustainable power with long-range wireless power transfer technology
Thiozen
Manufacturing & Processing
Chemical waste-to-hydrogen cycle that removes hydrogen sulfide from gas streams and generates zero-emission hydrogen
Reframe Systems
Infrastructure & Construction
Offsite construction of zero-carbon buildings with volumetric modules manufactured with robotic microfactories
Priority Investor Loans
Infrastructure & Construction
Simplified loan programs to fund real estate investors nationwide with income-producing properties
Browning the Green Space
Food, Water, & Land
Addressing diversity, equity, and inclusion across careers, companies, contracts, capital, and communities
AeroShield Materials
Infrastructure & Construction
Insulating, porous aerogels for energy-efficient windows
change:WATER Labs
Food, Water, & Land
Low-cost, compact, waterless toilet for non-sewered households and communities
Teknobuilt
Infrastructure & Construction
Cloud-based construction project management software
Dandelion Energy
Infrastructure & Construction
Geothermal heating and cooling systems for homes
InnoEnergy (Member Account)
Energy & Power
Industrializing cleantech innovation to enable and grow a global net-zero economy
ONEPREDICT
Manufacturing & Processing
Predicting and diagnosing the status of key industrial assets for the energy and manufacturing industries
FAST Metals
Manufacturing & Processing
Hydrometallurgical-recovery process for extracting rare-earth elements from industrial tailings
Elemental Advanced Materials
Manufacturing & Processing
Graphene and hydrogen from mixed and contaminated waste plastics and other organic materials
COI Energy
Energy & Power
AI and machine learning to predict and prevent energy waste
Ivys Energy Solutions
Energy & Power
On-site hydrogen-generation and -dispensing appliance that uses water and electricity to make fuel-cell-grade hydrogen
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.