Helping climatetech startupsTransformindustry faster
ALP Technologies
Energy & Power
Kuva Systems
Manufacturing & Processing
e-Zinc
Energy & Power
SBD Technologies
Transportation & Logistics
Fully automated, scalable EV home charging and energy optimization solutions for sustainable fleet management
Geckskin
Manufacturing & Processing
Spaero Bio
Infrastructure & Construction
Spaero Bio — enables scientists to quickly and directly automate experiments that are currently done by hand, a bottleneck of life science R&D.
Carbontec
Infrastructure & Construction
AIRCO
Energy & Power
FlowCellutions
Energy & Power
Preventing power outages and improving cost savings for critical battery systems
Glimpse Engineering
Manufacturing & Processing
Visualizing battery scans and continuously monitoring key battery-design features
Synergetic LLC
Energy & Power
Synergetic — facilitates infrastructure solutions that unlock and unleash the power of renewables and eliminate or minimize obstacles to rapid renewable energy development and use in congested electricity markets.
Suyana Climate Insurance
Smart Resource Labs
Energy & Power
We make data easy
STEM Americas Foundation
Phytoform Labs
Food, Water, & Land
Phytoform Labs — has a crop development platform that uses cutting-edge machine learning and genome editing technologies to explore and evolve the natural genetic sequences of plants.
Biospheric AI
Energy & Power
High-resolution, building-level energy demand forecasts for utilities and more
AmHyTech
Energy & Power
We build last-mile ammonia infrastructure for marine fuel, agriculture, and industrial applications.
Powerhouse Ventures
Infrastructure & Construction
Investing in software to advance clean energy, mobility, and industry
Deep Anchor Solutions
Infrastructure & Construction
Anchoring solutions for floating applications including energy, aquaculture, and large-scale infrastructure
AmpUp
Transportation & Logistics
ALP Technologies
Energy & Power
Kuva Systems
Manufacturing & Processing
e-Zinc
Energy & Power
SBD Technologies
Transportation & Logistics
Fully automated, scalable EV home charging and energy optimization solutions for sustainable fleet management
Geckskin
Manufacturing & Processing
Spaero Bio
Infrastructure & Construction
Spaero Bio — enables scientists to quickly and directly automate experiments that are currently done by hand, a bottleneck of life science R&D.
Carbontec
Infrastructure & Construction
AIRCO
Energy & Power
FlowCellutions
Energy & Power
Preventing power outages and improving cost savings for critical battery systems
Glimpse Engineering
Manufacturing & Processing
Visualizing battery scans and continuously monitoring key battery-design features
Synergetic LLC
Energy & Power
Synergetic — facilitates infrastructure solutions that unlock and unleash the power of renewables and eliminate or minimize obstacles to rapid renewable energy development and use in congested electricity markets.
Suyana Climate Insurance
Smart Resource Labs
Energy & Power
We make data easy
STEM Americas Foundation
Phytoform Labs
Food, Water, & Land
Phytoform Labs — has a crop development platform that uses cutting-edge machine learning and genome editing technologies to explore and evolve the natural genetic sequences of plants.
Biospheric AI
Energy & Power
High-resolution, building-level energy demand forecasts for utilities and more
AmHyTech
Energy & Power
We build last-mile ammonia infrastructure for marine fuel, agriculture, and industrial applications.
Powerhouse Ventures
Infrastructure & Construction
Investing in software to advance clean energy, mobility, and industry
Deep Anchor Solutions
Infrastructure & Construction
Anchoring solutions for floating applications including energy, aquaculture, and large-scale infrastructure
AmpUp
Transportation & Logistics
Solomon Group
Energy & Power
Solomon Group LLC — delivers solutions for engaging diverse communities, whether urban or rural, with workforce development, language access planning and energy efficiency infrastructure solutions in order to drive understanding and adoption of clean energy and energy-efficiency benefits and opportunities available to the general public.
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.
CrowdComfort
Infrastructure & Construction
AeroShield Materials
Infrastructure & Construction
Insulating, porous aerogels for energy-efficient windows
PlaSene
Manufacturing & Processing
Converting plastic waste into liquid fuel and low-carbon hydrogen
Agira
Energy & Power
Agira Photonics — designs optical films for superior light management. Applications requiring highly collimated light with minimal chromatic aberration, such as LED lighting and displays, can be made more efficient with Agira’s film technology.
Zero Homes
Infrastructure & Construction
Automated assessment, design, and procurement platform for residential building retrofits
QD Solar
Energy & Power
PooPoof Inc
Food, Water, & Land
The world’s first pocket-sized bioreactor
XTPL
Manufacturing & Processing
Additive manufacturing technology for ultra-precise printing of nanomaterials
Mars Materials
Manufacturing & Processing
Converting CO₂ and biomass into acrylonitrile
Carbon Upcycling Technologies
Manufacturing & Processing
Carbon Upcycling Technologies (Calgary, AB) is a circular decarbonization solution for hard-to-abate industries –- utilizing low-purity industrial CO2 and industrial by-products to decarbonize cement.
ULTROGEN
Energy & Power
ULTROGEN: GIGAWATT-Scale Hydrogen Generator Technology at 90% Lower CAPEX $10B+ market cap opportunity for micro-scale hydrogen merchant plants in Oppty. Zones 50X more hydrogen from H2O electrolysis at 40%+ lower retail price & Zero CO2 emissions
Embue
Infrastructure & Construction
Helix Earth Technologies
Infrastructure & Construction
Improving energy efficiency and minimizing emissions through a droplet-capture filtration system
Clean Crop Technologies
Food, Water, & Land
Improving food safety and reducing food waste by removing contaminants with food-grade gasses and electricity
Patch
Transportation & Logistics
Sensible
Energy & Power
Compact, refrigerant-free thermoelectric heat pump for quiet, efficient, climate-neutral HVAC
AeroNero
Food, Water, & Land
Water for all, always Empowering sustainable living through innovative air-water generation technology, providing clean and accessible water to communities while combating climate change.
Studio 3e8
Manufacturing & Processing
Metal 3D printing in a desktop form factor.
Solomon Group
Energy & Power
Solomon Group LLC — delivers solutions for engaging diverse communities, whether urban or rural, with workforce development, language access planning and energy efficiency infrastructure solutions in order to drive understanding and adoption of clean energy and energy-efficiency benefits and opportunities available to the general public.
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.
CrowdComfort
Infrastructure & Construction
AeroShield Materials
Infrastructure & Construction
Insulating, porous aerogels for energy-efficient windows
PlaSene
Manufacturing & Processing
Converting plastic waste into liquid fuel and low-carbon hydrogen
Agira
Energy & Power
Agira Photonics — designs optical films for superior light management. Applications requiring highly collimated light with minimal chromatic aberration, such as LED lighting and displays, can be made more efficient with Agira’s film technology.
Zero Homes
Infrastructure & Construction
Automated assessment, design, and procurement platform for residential building retrofits
QD Solar
Energy & Power
PooPoof Inc
Food, Water, & Land
The world’s first pocket-sized bioreactor
XTPL
Manufacturing & Processing
Additive manufacturing technology for ultra-precise printing of nanomaterials
Mars Materials
Manufacturing & Processing
Converting CO₂ and biomass into acrylonitrile
Carbon Upcycling Technologies
Manufacturing & Processing
Carbon Upcycling Technologies (Calgary, AB) is a circular decarbonization solution for hard-to-abate industries –- utilizing low-purity industrial CO2 and industrial by-products to decarbonize cement.
ULTROGEN
Energy & Power
ULTROGEN: GIGAWATT-Scale Hydrogen Generator Technology at 90% Lower CAPEX $10B+ market cap opportunity for micro-scale hydrogen merchant plants in Oppty. Zones 50X more hydrogen from H2O electrolysis at 40%+ lower retail price & Zero CO2 emissions
Embue
Infrastructure & Construction
Helix Earth Technologies
Infrastructure & Construction
Improving energy efficiency and minimizing emissions through a droplet-capture filtration system
Clean Crop Technologies
Food, Water, & Land
Improving food safety and reducing food waste by removing contaminants with food-grade gasses and electricity
Patch
Transportation & Logistics
Sensible
Energy & Power
Compact, refrigerant-free thermoelectric heat pump for quiet, efficient, climate-neutral HVAC
AeroNero
Food, Water, & Land
Water for all, always Empowering sustainable living through innovative air-water generation technology, providing clean and accessible water to communities while combating climate change.
Studio 3e8
Manufacturing & Processing
Metal 3D printing in a desktop form factor.
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
All-time
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Currently home to
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Countries Where
Startups Operate
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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
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.
Explore Investing
Tap into deal flow with the world’s largest community of climate and energy startups.