Helping climatetech startupsTransformindustry faster
Ohmium International
Energy & Power
Black Girls Do Engineer
Manufacturing & Processing
Black Girls Do Engineer Corporation - provides girls and young women ages 6 to 21 with mentoring, personal growth regimens, STEM projects and activities, STEM challenges, and guidance on career paths based on insight from professionals that are leaders in the STEM industry. The goal is to provide access, awareness, and advocate for two million Black-American girls to pursue STEM careers by the year 2050. The organization was created with the concern that Black-American girls and young women are not choosing STEM related careers, and their passion is to change the narrative and fix this issue.
Pressure Core
Manufacturing & Processing
Pressure Core — is a development company focused on transforming industrial waste pressure into emission-free power. The company simplifies project development for host facilities by offering to buy their waste stream instead of selling them a project.
pH Matter
Energy & Power
Universal Matter Inc.
Manufacturing & Processing
Producing graphene from carbon waste streams
Fervo Energy
Energy & Power
Fervo Energy — is a next-generation geothermal power developer, delivering 24/7 carbon-free energy.
Ranger Solar
Energy & Power
GreenLIB
Manufacturing & Processing
VentureWell
FutureOn
Energy & Power
FutureOn — FutureOn's FieldTwin creates a dynamic and 3D geospatial common data environment across surface, subsea, and subsurface domains, with open API connectivity into third-party tools and existing customer workflows.
CarbonQuest
Infrastructure & Construction
ICODOS
Manufacturing & Processing
Scalable clean methanol to decarbonize transport and chemicals
Electrona Robotics
Manufacturing & Processing
KUBO Greenhouse Projects
Food, Water, & Land
Hicor Technologies Inc.
Energy & Power
Interface Polymers
Manufacturing & Processing
SmartAC.com
Infrastructure & Construction
SmartAC.com — is on a mission to perfect the experience of home comfort. The company helps its partners offer next-level service with a more proactive approach to HVAC & plumbing.
Carbonova
Manufacturing & Processing
Carbonova has a unique solution to solidify carbon emissions and lock them permanently in solid carbon nanofibers. To date, 2980 businesses and financial institutions are taking action toward net-zero emissions by 2040 working with the Science-Based Targets initiative (SBTi). Our solution monetizes carbon emissions into solid carbon for our everyday products such as building materials and plastics. Currently solid carbon is extracted from naturally occurring and confined resources such as graphite or oils.
Cella Mineral Storage
Manufacturing & Processing
Turning volcanic formations into reliable, low-cost CO₂ storage
C16 Biosciences
Manufacturing & Processing
Ohmium International
Energy & Power
Black Girls Do Engineer
Manufacturing & Processing
Black Girls Do Engineer Corporation - provides girls and young women ages 6 to 21 with mentoring, personal growth regimens, STEM projects and activities, STEM challenges, and guidance on career paths based on insight from professionals that are leaders in the STEM industry. The goal is to provide access, awareness, and advocate for two million Black-American girls to pursue STEM careers by the year 2050. The organization was created with the concern that Black-American girls and young women are not choosing STEM related careers, and their passion is to change the narrative and fix this issue.
Pressure Core
Manufacturing & Processing
Pressure Core — is a development company focused on transforming industrial waste pressure into emission-free power. The company simplifies project development for host facilities by offering to buy their waste stream instead of selling them a project.
pH Matter
Energy & Power
Universal Matter Inc.
Manufacturing & Processing
Producing graphene from carbon waste streams
Fervo Energy
Energy & Power
Fervo Energy — is a next-generation geothermal power developer, delivering 24/7 carbon-free energy.
Ranger Solar
Energy & Power
GreenLIB
Manufacturing & Processing
VentureWell
FutureOn
Energy & Power
FutureOn — FutureOn's FieldTwin creates a dynamic and 3D geospatial common data environment across surface, subsea, and subsurface domains, with open API connectivity into third-party tools and existing customer workflows.
CarbonQuest
Infrastructure & Construction
ICODOS
Manufacturing & Processing
Scalable clean methanol to decarbonize transport and chemicals
Electrona Robotics
Manufacturing & Processing
KUBO Greenhouse Projects
Food, Water, & Land
Hicor Technologies Inc.
Energy & Power
Interface Polymers
Manufacturing & Processing
SmartAC.com
Infrastructure & Construction
SmartAC.com — is on a mission to perfect the experience of home comfort. The company helps its partners offer next-level service with a more proactive approach to HVAC & plumbing.
Carbonova
Manufacturing & Processing
Carbonova has a unique solution to solidify carbon emissions and lock them permanently in solid carbon nanofibers. To date, 2980 businesses and financial institutions are taking action toward net-zero emissions by 2040 working with the Science-Based Targets initiative (SBTi). Our solution monetizes carbon emissions into solid carbon for our everyday products such as building materials and plastics. Currently solid carbon is extracted from naturally occurring and confined resources such as graphite or oils.
Cella Mineral Storage
Manufacturing & Processing
Turning volcanic formations into reliable, low-cost CO₂ storage
C16 Biosciences
Manufacturing & Processing
Future
Future — simplifies the transition to a net-zero economy for individuals and families. Future offers a set of financial tools and incentives for climate smart living. Future takes a 360°view of spending and generates individualized options to save money and reduce carbon emissions with their decision-engine.
FibreCoat
Transportation & Logistics
InventWood
Infrastructure & Construction
InventWood — offers MettleWood, a super-strong wood material (that's stronger than steel), a highly insulative wood material (as a green substitute for polystyrene) and even a transparent wood material.
Aquosmic Corporation
Energy & Power
Aquosmic — analyzes any body of water using satellite images and can determine biomass as well.
Euphree
Transportation & Logistics
Electric bikes made fashionable.
Corumat
Manufacturing & Processing
Public Grid
Energy & Power
Allium Engineering
Manufacturing & Processing
Allium Engineering — is a US-based startup founded by two MIT Ph.D graduates that designs and manufactures coated rebar technology that will create a more resilient, affordable, and sustainable infrastructure.
Hempitecture
Manufacturing & Processing
Hempitecture (Ketchum, ID) is a manufacturer and distributor of biobased building materials, including their low embodied carbon insulation, HempWool®.
Hertha Metals Inc.
Energy & Power
WattSto Energy
Energy & Power
We are a leading manufacturer of Long Duration Energy Storage (LDES) and Unique Hybrid Design System, providing Fast, Long Duration, Safe, Sustainable, and Cost-effective energy storage solutions at the microgrid and grid levels. Our innovative technology accelerates the integration of renewable energy, reduces carbon emissions, and provides power for a cleaner future.
Green Path Strategies
Energy & Power
Medley Thermal
Energy & Power
Medley Thermal — links clean, cheap power to steam heating systems, lowering a customer's energy costs and carbon emissions.
Dexai Robotics
Food, Water, & Land
Reverse Energy Solutions
Transportation & Logistics
Our startup implements innovative mobile solutions for solar panel recycling, drastically reducing logistic costs by 90% through streamlined collection and transportation processes.
CarTwin
Transportation & Logistics
CarTwin is unlocking the value of automative data by creating an integrated data ecosystem to drive actionable insight and predictive analytics to address the industry’s most pressing challenges. Its digital twin technology enables a diverse set of automotive use cases that power new innovations by connecting physical and digital worlds providing real-time operational awareness of vehicle, component, and manufacturing performance.
MicroEra Power
Energy & Power
MicroEra Power — develops and manufactures THERMAplus, a hardware + software solution for smart Thermal Energy Storage for buildings.
Clean Crop Technologies
Food, Water, & Land
Improving food safety and reducing food waste by removing contaminants with food-grade gasses and electricity
Save Energy Systems
Infrastructure & Construction
Launch Academy
Future
Future — simplifies the transition to a net-zero economy for individuals and families. Future offers a set of financial tools and incentives for climate smart living. Future takes a 360°view of spending and generates individualized options to save money and reduce carbon emissions with their decision-engine.
FibreCoat
Transportation & Logistics
InventWood
Infrastructure & Construction
InventWood — offers MettleWood, a super-strong wood material (that's stronger than steel), a highly insulative wood material (as a green substitute for polystyrene) and even a transparent wood material.
Aquosmic Corporation
Energy & Power
Aquosmic — analyzes any body of water using satellite images and can determine biomass as well.
Euphree
Transportation & Logistics
Electric bikes made fashionable.
Corumat
Manufacturing & Processing
Public Grid
Energy & Power
Allium Engineering
Manufacturing & Processing
Allium Engineering — is a US-based startup founded by two MIT Ph.D graduates that designs and manufactures coated rebar technology that will create a more resilient, affordable, and sustainable infrastructure.
Hempitecture
Manufacturing & Processing
Hempitecture (Ketchum, ID) is a manufacturer and distributor of biobased building materials, including their low embodied carbon insulation, HempWool®.
Hertha Metals Inc.
Energy & Power
WattSto Energy
Energy & Power
We are a leading manufacturer of Long Duration Energy Storage (LDES) and Unique Hybrid Design System, providing Fast, Long Duration, Safe, Sustainable, and Cost-effective energy storage solutions at the microgrid and grid levels. Our innovative technology accelerates the integration of renewable energy, reduces carbon emissions, and provides power for a cleaner future.
Green Path Strategies
Energy & Power
Medley Thermal
Energy & Power
Medley Thermal — links clean, cheap power to steam heating systems, lowering a customer's energy costs and carbon emissions.
Dexai Robotics
Food, Water, & Land
Reverse Energy Solutions
Transportation & Logistics
Our startup implements innovative mobile solutions for solar panel recycling, drastically reducing logistic costs by 90% through streamlined collection and transportation processes.
CarTwin
Transportation & Logistics
CarTwin is unlocking the value of automative data by creating an integrated data ecosystem to drive actionable insight and predictive analytics to address the industry’s most pressing challenges. Its digital twin technology enables a diverse set of automotive use cases that power new innovations by connecting physical and digital worlds providing real-time operational awareness of vehicle, component, and manufacturing performance.
MicroEra Power
Energy & Power
MicroEra Power — develops and manufactures THERMAplus, a hardware + software solution for smart Thermal Energy Storage for buildings.
Clean Crop Technologies
Food, Water, & Land
Improving food safety and reducing food waste by removing contaminants with food-grade gasses and electricity
Save Energy Systems
Infrastructure & Construction
Launch Academy
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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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.
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