Helping climatetech startupsTransformindustry

[ 02 ]Our Startups

Our Member Companies

View All Startups
Solarflux logo

Solarflux

Energy & Power

SolarFlux — makes the FOCUS, a parabolic dish concentrator capable of delivering flexible, clean, inexpensive solar thermal power for a wide range of applications.

Rushnu logo

Rushnu

Manufacturing & Processing

Turns waste into carbon-neutral chemistry

Regenerative Resources logo

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.

Corrolytics logo

Corrolytics

Energy & Power

Patented corrosion intelligence platform delivering near real-time corrosion detection and actionable insights

Blue Line Battery logo

Blue Line Battery

Energy & Power

Blue Line Battery designs and manufactures more accessible, more efficient, battery technology for industrial applications.

Gemini Energy logo

Gemini Energy

We are building the world first unified system for hydrogen compression and purification at 100% recovery rate and 99.999% purity.

Mocean Energy logo

Mocean Energy

Energy & Power

Hybrid-offshore renewable power stations, combining wave, solar, and battery systems

CarTwin logo

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.

Corumat logo

Corumat

Manufacturing & Processing

Boxes logo

Boxes

Manufacturing & Processing

Smart, affordable, and sustainable retail combining the physical and digital worlds

Risk Consulting Partners logo

Risk Consulting Partners

Energy & Power

Soliyarn logo

Soliyarn

Manufacturing & Processing

Soliyarn — employs a unique (dry) process to vapor coat polymers on textiles, which leads to washable electronic clothing without wires or bulk.

Alloy Enterprises logo

Alloy Enterprises

Manufacturing & Processing

Alloy Enterprises — is developing a new manufacturing method to change the way the world makes aluminum parts.

sweetgreen logo

sweetgreen

Food, Water, & Land

Noir3 Energy logo

Noir3 Energy

Energy & Power

Noir3 Energy, LLC is partnered with Sonnen, a Shell New Energies company to pave the way for the Texas Energy Transition by deploying the VPP( Virtual Power Plant) concept within the multifamily, commercial & Industrial building spaces with a no money down approach that benefits all parties involved from families to the building owners.

Phlair logo

Phlair

Manufacturing & Processing

Renewable-energy-powered DAC system using an electrochemical process for acid and base generation

AmpUp logo

AmpUp

Transportation & Logistics

Metalmark Innovations logo

Metalmark Innovations

Transportation & Logistics

Dexai Robotics logo

Dexai Robotics

Food, Water, & Land

AdaViv logo

AdaViv

Food, Water, & Land

Hardware-enabled crop-care software for greenhouse and indoor growers to maximize quality yields without added labor

Solarflux logo

Solarflux

Energy & Power

SolarFlux — makes the FOCUS, a parabolic dish concentrator capable of delivering flexible, clean, inexpensive solar thermal power for a wide range of applications.

Rushnu logo

Rushnu

Manufacturing & Processing

Turns waste into carbon-neutral chemistry

Regenerative Resources logo

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.

Corrolytics logo

Corrolytics

Energy & Power

Patented corrosion intelligence platform delivering near real-time corrosion detection and actionable insights

Blue Line Battery logo

Blue Line Battery

Energy & Power

Blue Line Battery designs and manufactures more accessible, more efficient, battery technology for industrial applications.

Gemini Energy logo

Gemini Energy

We are building the world first unified system for hydrogen compression and purification at 100% recovery rate and 99.999% purity.

Mocean Energy logo

Mocean Energy

Energy & Power

Hybrid-offshore renewable power stations, combining wave, solar, and battery systems

CarTwin logo

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.

Corumat logo

Corumat

Manufacturing & Processing

Boxes logo

Boxes

Manufacturing & Processing

Smart, affordable, and sustainable retail combining the physical and digital worlds

Risk Consulting Partners logo

Risk Consulting Partners

Energy & Power

Soliyarn logo

Soliyarn

Manufacturing & Processing

Soliyarn — employs a unique (dry) process to vapor coat polymers on textiles, which leads to washable electronic clothing without wires or bulk.

Alloy Enterprises logo

Alloy Enterprises

Manufacturing & Processing

Alloy Enterprises — is developing a new manufacturing method to change the way the world makes aluminum parts.

sweetgreen logo

sweetgreen

Food, Water, & Land

Noir3 Energy logo

Noir3 Energy

Energy & Power

Noir3 Energy, LLC is partnered with Sonnen, a Shell New Energies company to pave the way for the Texas Energy Transition by deploying the VPP( Virtual Power Plant) concept within the multifamily, commercial & Industrial building spaces with a no money down approach that benefits all parties involved from families to the building owners.

Phlair logo

Phlair

Manufacturing & Processing

Renewable-energy-powered DAC system using an electrochemical process for acid and base generation

AmpUp logo

AmpUp

Transportation & Logistics

Metalmark Innovations logo

Metalmark Innovations

Transportation & Logistics

Dexai Robotics logo

Dexai Robotics

Food, Water, & Land

AdaViv logo

AdaViv

Food, Water, & Land

Hardware-enabled crop-care software for greenhouse and indoor growers to maximize quality yields without added labor

KVD logo

KVD

Manufacturing & Processing

KVD enables EELS in existing SEMs, providing a cost-effective way to see light elements and bonding states.

Noteworthy AI logo

Noteworthy AI

Energy & Power

Noteworthy AI — helps electric utilities increase the reliability, resiliency and safety of the distribution grid while reducing cost.

MissionPoint Capital Partners logo

MissionPoint Capital Partners

SolarFi logo

SolarFi

Energy & Power

Privé is a unique and blissful experience for social-distanced gathering in a transparent house that combines the arts, renewable energy, and sustainability.

Infinite Cooling logo

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.

Opus One Solutions logo

Opus One Solutions

Energy & Power

RepAir Carbon logo

RepAir Carbon

Manufacturing & Processing

RepAir - the most efficient, scalable and affordable carbon capture solution, designed for the gigaton scale

WhaleSpotter logo

WhaleSpotter

Transportation & Logistics

Thermal imaging and AI to prevent marine mammal strikes at sea

Forty Acres Consulting logo

Forty Acres Consulting

Transportation & Logistics

Forty Acres Consulting — consults for both large Fortune 500 companies and startups big and small. They specialize in scaling, supply chain, logistics, business development and healthcare.

Searover Robotics and Software logo

Searover Robotics and Software

Manufacturing & Processing

Made of Air logo

Made of Air

Manufacturing & Processing

Synergetic LLC logo

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.

Sankofa Dynamics logo

Sankofa Dynamics

Food, Water, & Land

Veloce Energy logo

Veloce Energy

Energy & Power

Veloce Energy — develops technology to create intelligent, flexible, and scalable grid-edge energy networks (GrEEN). Initially focused on cost-reduction in EV charging stations, the Veloce FastGrid™ system uniquely combines energy storage, intelligence, a streamlined installation system, and a unique charging-infrastructure-as-a-service model to maximize and deliver customer value.

Axiom Optics logo

Axiom Optics

Manufacturing & Processing

Axiom Optics — provides optical instrumentation for fundamental sciences (astronomy, physics, biology) and industrial quality control.

Caravel Bio logo

Caravel Bio

Manufacturing & Processing

TalkingHeads Wireless logo

TalkingHeads Wireless

Energy & Power

TalkingHeads Wireless — develops Smart Network Towers, starting with the world’s most energy-efficient remote radio heads (RRH), which is the hardware box that sits at the top of the cell tower.

SeebeckCell Technologies logo

SeebeckCell Technologies

Manufacturing & Processing

SeebeckCell Technologies — develops and manufactures liquid-based thermoelectric modules, power generators, and waste heat recovery systems.

InfiSense logo

InfiSense

Agrilab Technologies Inc. logo

Agrilab Technologies Inc.

Food, Water, & Land

Modular compost-aeration and heat-recovery systems

KVD logo

KVD

Manufacturing & Processing

KVD enables EELS in existing SEMs, providing a cost-effective way to see light elements and bonding states.

Noteworthy AI logo

Noteworthy AI

Energy & Power

Noteworthy AI — helps electric utilities increase the reliability, resiliency and safety of the distribution grid while reducing cost.

MissionPoint Capital Partners logo

MissionPoint Capital Partners

SolarFi logo

SolarFi

Energy & Power

Privé is a unique and blissful experience for social-distanced gathering in a transparent house that combines the arts, renewable energy, and sustainability.

Infinite Cooling logo

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.

Opus One Solutions logo

Opus One Solutions

Energy & Power

RepAir Carbon logo

RepAir Carbon

Manufacturing & Processing

RepAir - the most efficient, scalable and affordable carbon capture solution, designed for the gigaton scale

WhaleSpotter logo

WhaleSpotter

Transportation & Logistics

Thermal imaging and AI to prevent marine mammal strikes at sea

Forty Acres Consulting logo

Forty Acres Consulting

Transportation & Logistics

Forty Acres Consulting — consults for both large Fortune 500 companies and startups big and small. They specialize in scaling, supply chain, logistics, business development and healthcare.

Searover Robotics and Software logo

Searover Robotics and Software

Manufacturing & Processing

Made of Air logo

Made of Air

Manufacturing & Processing

Synergetic LLC logo

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.

Sankofa Dynamics logo

Sankofa Dynamics

Food, Water, & Land

Veloce Energy logo

Veloce Energy

Energy & Power

Veloce Energy — develops technology to create intelligent, flexible, and scalable grid-edge energy networks (GrEEN). Initially focused on cost-reduction in EV charging stations, the Veloce FastGrid™ system uniquely combines energy storage, intelligence, a streamlined installation system, and a unique charging-infrastructure-as-a-service model to maximize and deliver customer value.

Axiom Optics logo

Axiom Optics

Manufacturing & Processing

Axiom Optics — provides optical instrumentation for fundamental sciences (astronomy, physics, biology) and industrial quality control.

Caravel Bio logo

Caravel Bio

Manufacturing & Processing

TalkingHeads Wireless logo

TalkingHeads Wireless

Energy & Power

TalkingHeads Wireless — develops Smart Network Towers, starting with the world’s most energy-efficient remote radio heads (RRH), which is the hardware box that sits at the top of the cell tower.

SeebeckCell Technologies logo

SeebeckCell Technologies

Manufacturing & Processing

SeebeckCell Technologies — develops and manufactures liquid-based thermoelectric modules, power generators, and waste heat recovery systems.

InfiSense logo

InfiSense

Agrilab Technologies Inc. logo

Agrilab Technologies Inc.

Food, Water, & Land

Modular compost-aeration and heat-recovery systems

Greentown member working in a wet lab
Greentown community members collaborating
Greentown member pipetting in a lab
Greentown members at work in the incubator
[ 03 ]Who We Are

Greentown is a 501(c)(3) nonprofit helping climate entrepreneurs build faster.

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.

[ 04 ]By The Numbers

Our Impact

Our members aren't just building better ways to operate; they're slashing emissions, boosting efficiency, and transforming how we use resources across the world. Now 15 years and counting, the impact speaks for itself.
Capital Mobilized

Our Startups Have Raised Over $0B

2011Now
Startups Supported

All-time

0

Currently home to

0

Global Footprint

0+

Countries Where
Startups Operate

Jobs Created

0

New Jobs Created by Our Members, and Counting

[ 05 ]Our Partners

Where Industry Meets Innovation

Startups bring the breakthroughs. Corporate partners bring the scale, infrastructure, expertise, and capital to make them matter.

  • Amazon
  • Amrize
  • Aramco
  • BCG
  • Chevron
  • Dassault Systemes
  • Emerson
  • Enel
  • Equinor
  • Foley Hoag
  • Fortescue
  • GeSI
  • GE Vernova
  • OnTerris (fka Montrose)
  • Saint-Gobain
  • Shell
  • TotalEnergies
  • Vinson & Elkins
  • Woodside Energy
For Startups

Apply for Membership

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.

Greentown member prototyping hardware in the lab
For Partners
Greentown partners networking at an event

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.

Explore Partnership
Events
Speaker presenting on stage at a Greentown event

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.

View Calendar
For Investors
Founders and investors connecting at a Greentown incubator

Explore Investing

Tap into deal flow with the world’s largest community of climate and energy startups.

Explore Investing