Helping climatetech startupsTransformindustry faster

SiTration
Manufacturing & Processing
SiTration — is developing a novel membrane filtration technology that combines durability and performance at low cost to enable highly efficient separations in today’s mega-industries.

Phase Two Chemicals
Manufacturing & Processing
Advanced electrode and reactor designs for on-site, on-demand chemical generation and energy storage

Geokiln Energy Innovation
Energy & Power
Breakthrough low-cost, low-carbon hydrogen production approach that accelerates natural subsurface mineral reactions

Peak Power
Energy & Power
Energy-storage optimization software for commercial and industrial customers and energy storage project developers

Kornit Digital
Manufacturing & Processing
Kornit Digital (formerly Voxel8) — is developing digital manufacturing systems that revolutionize how footwear and athletic apparel are designed, manufactured, and delivered to consumers.

Clean Crop Technologies
Food, Water, & Land
Improving food safety and reducing food waste by removing contaminants with food-grade gasses and electricity

Emerald Cities Collaborative
Infrastructure & Construction

Green Path Strategies
Energy & Power

Sustonable
Manufacturing & Processing
Sustonable — mixes post-consumer recycled plastic bottles, recycled glass and natural stone to create a circular, high-quality surface material, that can be used for kitchen tops, wall panels and furniture purposes.

Lasso Labs
Food, Water, & Land
Using natural proteins to create real texture in alternative foods

Hera Materials
Manufacturing & Processing
Regenerative plastics made from diverse, local biomass, powered by robotics and AI

Rushnu
Manufacturing & Processing
Turns waste into carbon-neutral chemistry

Feon Energy, Inc. (eLyte Technology)
Energy & Power
eLyte — is commercializing next-gen battery technology for electric vehicles and other applications.

Orien Energy
Infrastructure & Construction
Sorption heat pump to recover waste heat from dryer exhaust

WattGlass
Energy & Power

Varea Energy
Energy & Power
Varea Energy — aims to help enable the world’s transition to an energy-efficient and sustainable future by rooting out inefficient waste, water, and energy systems to increase sustainability and decrease operational costs for commercial facilities.

Aquosmic Corporation
Energy & Power
Aquosmic — analyzes any body of water using satellite images and can determine biomass as well.

Verdox Inc
Manufacturing & Processing
Verdox — is making scalable, cost-effective carbon capture and removal a reality. Founded in late 2019 by Dr. Brian Baynes, Prof. T. Alan Hatton, and Dr. Sahag Voskian, the company is commercializing its electroswing adsorption (ESA) platform technology, originally developed at MIT, to remove carbon dioxide from industrial emissions and the air with 70% energy savings versus conventional approaches.

PURGIT
Transportation & Logistics
Build a verifiable vapor control system that makes no pollution and recovers the VOC for recycling. Reduce air pollution and claim carbon credits.

Pike Robotics
Energy & Power
Wall-crawling robots with advanced sensors to perform in-service inspections inside hazardous spaces

SiTration
Manufacturing & Processing
SiTration — is developing a novel membrane filtration technology that combines durability and performance at low cost to enable highly efficient separations in today’s mega-industries.

Phase Two Chemicals
Manufacturing & Processing
Advanced electrode and reactor designs for on-site, on-demand chemical generation and energy storage

Geokiln Energy Innovation
Energy & Power
Breakthrough low-cost, low-carbon hydrogen production approach that accelerates natural subsurface mineral reactions

Peak Power
Energy & Power
Energy-storage optimization software for commercial and industrial customers and energy storage project developers

Kornit Digital
Manufacturing & Processing
Kornit Digital (formerly Voxel8) — is developing digital manufacturing systems that revolutionize how footwear and athletic apparel are designed, manufactured, and delivered to consumers.

Clean Crop Technologies
Food, Water, & Land
Improving food safety and reducing food waste by removing contaminants with food-grade gasses and electricity

Emerald Cities Collaborative
Infrastructure & Construction

Green Path Strategies
Energy & Power

Sustonable
Manufacturing & Processing
Sustonable — mixes post-consumer recycled plastic bottles, recycled glass and natural stone to create a circular, high-quality surface material, that can be used for kitchen tops, wall panels and furniture purposes.

Lasso Labs
Food, Water, & Land
Using natural proteins to create real texture in alternative foods

Hera Materials
Manufacturing & Processing
Regenerative plastics made from diverse, local biomass, powered by robotics and AI

Rushnu
Manufacturing & Processing
Turns waste into carbon-neutral chemistry

Feon Energy, Inc. (eLyte Technology)
Energy & Power
eLyte — is commercializing next-gen battery technology for electric vehicles and other applications.

Orien Energy
Infrastructure & Construction
Sorption heat pump to recover waste heat from dryer exhaust

WattGlass
Energy & Power

Varea Energy
Energy & Power
Varea Energy — aims to help enable the world’s transition to an energy-efficient and sustainable future by rooting out inefficient waste, water, and energy systems to increase sustainability and decrease operational costs for commercial facilities.

Aquosmic Corporation
Energy & Power
Aquosmic — analyzes any body of water using satellite images and can determine biomass as well.

Verdox Inc
Manufacturing & Processing
Verdox — is making scalable, cost-effective carbon capture and removal a reality. Founded in late 2019 by Dr. Brian Baynes, Prof. T. Alan Hatton, and Dr. Sahag Voskian, the company is commercializing its electroswing adsorption (ESA) platform technology, originally developed at MIT, to remove carbon dioxide from industrial emissions and the air with 70% energy savings versus conventional approaches.

PURGIT
Transportation & Logistics
Build a verifiable vapor control system that makes no pollution and recovers the VOC for recycling. Reduce air pollution and claim carbon credits.

Pike Robotics
Energy & Power
Wall-crawling robots with advanced sensors to perform in-service inspections inside hazardous spaces

Dsider
Energy & Power
SaaS platform to accelerate the expansion of energy-transition projects

TerraFixing
Manufacturing & Processing
TerraFixing — develops a direct-air-capture technology for cold climates using zeolite-based adsorbent materials.

Immedia Power
Energy & Power
Immedia Power gives space-constrained sites the on-site power they need to run and scale without waiting on the grid.

Radical Plastics
Manufacturing & Processing
Radical Plastics — is commercializing a patented technology for producing economical, biodegradable plastics that are a drop-in replacement for conventional, persistent plastics.

PlaSene
Manufacturing & Processing
Converting plastic waste into liquid fuel and low-carbon hydrogen

Electra
Manufacturing & Processing
ElectraSteel's — mission is to electrify and decarbonize steelmaking using renewable energy with zero carbon dioxide emissions while lowering the energy intensity and cost.

NONA Technologies
Food, Water, & Land
Desalinating brackish water with 60% less electricity, fewer chemical inputs, and less downtime

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.

Deep Anchor Solutions
Infrastructure & Construction
Anchoring solutions for floating applications including energy, aquaculture, and large-scale infrastructure

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.

Electrona Robotics
Manufacturing & Processing

AMPeers
Energy & Power
Advanced MOCVD resulting in high-temp superconductors with higher performance, faster output, and lower cost

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.

MicroEra Power
Energy & Power
MicroEra Power — develops and manufactures THERMAplus, a hardware + software solution for smart Thermal Energy Storage for buildings.

FlowCellutions
Energy & Power
Preventing power outages and improving cost savings for critical battery systems

Paragon Pure
Food, Water, & Land

WhaleSpotter
Transportation & Logistics
Thermal imaging and AI to prevent marine mammal strikes at sea

Anning Corporation
Energy & Power
Targeting iron-rich rocks to produce hydrogen

Sustainable America
Food, Water, & Land

Bevi
Food, Water, & Land

Dsider
Energy & Power
SaaS platform to accelerate the expansion of energy-transition projects

TerraFixing
Manufacturing & Processing
TerraFixing — develops a direct-air-capture technology for cold climates using zeolite-based adsorbent materials.

Immedia Power
Energy & Power
Immedia Power gives space-constrained sites the on-site power they need to run and scale without waiting on the grid.

Radical Plastics
Manufacturing & Processing
Radical Plastics — is commercializing a patented technology for producing economical, biodegradable plastics that are a drop-in replacement for conventional, persistent plastics.

PlaSene
Manufacturing & Processing
Converting plastic waste into liquid fuel and low-carbon hydrogen

Electra
Manufacturing & Processing
ElectraSteel's — mission is to electrify and decarbonize steelmaking using renewable energy with zero carbon dioxide emissions while lowering the energy intensity and cost.

NONA Technologies
Food, Water, & Land
Desalinating brackish water with 60% less electricity, fewer chemical inputs, and less downtime

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.

Deep Anchor Solutions
Infrastructure & Construction
Anchoring solutions for floating applications including energy, aquaculture, and large-scale infrastructure

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.

Electrona Robotics
Manufacturing & Processing

AMPeers
Energy & Power
Advanced MOCVD resulting in high-temp superconductors with higher performance, faster output, and lower cost

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.

MicroEra Power
Energy & Power
MicroEra Power — develops and manufactures THERMAplus, a hardware + software solution for smart Thermal Energy Storage for buildings.

FlowCellutions
Energy & Power
Preventing power outages and improving cost savings for critical battery systems

Paragon Pure
Food, Water, & Land

WhaleSpotter
Transportation & Logistics
Thermal imaging and AI to prevent marine mammal strikes at sea

Anning Corporation
Energy & Power
Targeting iron-rich rocks to produce hydrogen

Sustainable America
Food, Water, & Land

Bevi
Food, Water, & Land




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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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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