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.
Beacon Climate Innovations
Energy & Power
Filling gaps between the frontlines of climate change and the emerging technologies that can best address them
Climative
Energy & Power
AI-assisted home-energy assessments deployed in an interactive, web-based platform
10DQ
Energy & Power
Battery tech for long-duration energy storage at lower costs and improved safety
Kanin Energy
Energy & Power
Monetizing industrial waste heat with reduced deployment risk via third-party financing
GigaDAC
Energy & Power
Direct air capture optimized for gigaton scale
Biosimo
Manufacturing & Processing
Biosimo makes eco-friendly chemicals from plant waste using a clean, low-cost process
Helium Capital
Infrastructure & Construction
Supporting growing small businesses
Lasso Labs
Food, Water, & Land
Using natural proteins to create real texture in alternative foods
BLU NXT
Energy & Power
Solar concentrators for high-temperature heat and energy
Decimetrix
Energy & Power
AI platform to help clients measure their carbon footprint
Thola
Energy & Power
On-demand marketplace for commercial building sustainability and safety management
Kausalyze
Manufacturing & Processing
True root-cause analysis for chemicals, energy, and pharmaceutical companies
A&I Power Group
Energy & Power
Electricity-generation systems that convert electromagnetic energy into electrical potential
Allkemie
Manufacturing & Processing
Producing tailored graphene and other nanomaterials at scale
Deep Anchor Solutions
Infrastructure & Construction
Anchoring solutions for floating applications including energy, aquaculture, and large-scale infrastructure
Sweetch Energy
Energy & Power
Membrane-based technology that taps into osmotic power
Clear Sky Innovations
Manufacturing & Processing
A physics-based, AI-powered geoscience platform that uses multi-modal data sets to minimize time spent on data wrangling
Solar Mantle
Infrastructure & Construction
Film that reflects sunlight for energy-free passive cooling of structures
Phoenix Tailings
Manufacturing & Processing
Waste-free, net-zero, cost-competitive rare-earth-metal refining
XMtrace
Manufacturing & Processing
Low-cost methane monitoring with real-time detection and autonomous response
Beacon Climate Innovations
Energy & Power
Filling gaps between the frontlines of climate change and the emerging technologies that can best address them
Climative
Energy & Power
AI-assisted home-energy assessments deployed in an interactive, web-based platform
10DQ
Energy & Power
Battery tech for long-duration energy storage at lower costs and improved safety
Kanin Energy
Energy & Power
Monetizing industrial waste heat with reduced deployment risk via third-party financing
GigaDAC
Energy & Power
Direct air capture optimized for gigaton scale
Biosimo
Manufacturing & Processing
Biosimo makes eco-friendly chemicals from plant waste using a clean, low-cost process
Helium Capital
Infrastructure & Construction
Supporting growing small businesses
Lasso Labs
Food, Water, & Land
Using natural proteins to create real texture in alternative foods
BLU NXT
Energy & Power
Solar concentrators for high-temperature heat and energy
Decimetrix
Energy & Power
AI platform to help clients measure their carbon footprint
Thola
Energy & Power
On-demand marketplace for commercial building sustainability and safety management
Kausalyze
Manufacturing & Processing
True root-cause analysis for chemicals, energy, and pharmaceutical companies
A&I Power Group
Energy & Power
Electricity-generation systems that convert electromagnetic energy into electrical potential
Allkemie
Manufacturing & Processing
Producing tailored graphene and other nanomaterials at scale
Deep Anchor Solutions
Infrastructure & Construction
Anchoring solutions for floating applications including energy, aquaculture, and large-scale infrastructure
Sweetch Energy
Energy & Power
Membrane-based technology that taps into osmotic power
Clear Sky Innovations
Manufacturing & Processing
A physics-based, AI-powered geoscience platform that uses multi-modal data sets to minimize time spent on data wrangling
Solar Mantle
Infrastructure & Construction
Film that reflects sunlight for energy-free passive cooling of structures
Phoenix Tailings
Manufacturing & Processing
Waste-free, net-zero, cost-competitive rare-earth-metal refining
XMtrace
Manufacturing & Processing
Low-cost methane monitoring with real-time detection and autonomous response
Infinite Foundry
Manufacturing & Processing
Real-time 3D operational models to improve efficiency, lower costs, and enhance sustainability
Universal Matter Inc.
Manufacturing & Processing
Producing graphene from carbon waste streams
MCatalysis
Manufacturing & Processing
Converting waste carbon into low-cost clean fuels with advanced microwave and catalyst technology
Turnover Labs
Manufacturing & Processing
Modular electrolyzers converting dirty onsite CO₂ into basic chemicals
Monaire
Infrastructure & Construction
Reducing HVAC energy use and repair costs for small commercial buildings
Trellis Air
Infrastructure & Construction
Membrane-based dehumidifiers that are vastly more energy-efficient than desiccant wheels and standalone dehumidifiers
NewGrid
Energy & Power
Software and services to enable system operators, utilities, and power market participants to reduce grid congestion
AMPeers
Energy & Power
Advanced MOCVD resulting in high-temp superconductors with higher performance, faster output, and lower cost
Carbon To Stone
Energy & Power
Carbon-mineralization technology with high-value minerals and metals recovery
Boxes
Manufacturing & Processing
Smart, affordable, and sustainable retail combining the physical and digital worlds
PooPoof Inc
Food, Water, & Land
The world’s first pocket-sized bioreactor
Upstream Tech
Energy & Power
Software that expands access to environmental data through remote monitoring and reporting for seasonal forecasts
rStream Recycling LLC
Manufacturing & Processing
Autonomous waste-sorting system for non-industrial settings with critical waste volumes
FlowCellutions
Energy & Power
Preventing power outages and improving cost savings for critical battery systems
Fluor Enterprises, Inc.
Energy & Power
Leading global engineering, procurement and construction (EPC) company
Rafi Properties
Infrastructure & Construction
Thalon Materials
Emrod
Energy & Power
Sustainable power with long-range wireless power transfer technology
Solidec
Manufacturing & Processing
Converting carbon into chemicals using only air, water, and renewable electricity
Anning Corporation
Energy & Power
Targeting iron-rich rocks to produce hydrogen
Infinite Foundry
Manufacturing & Processing
Real-time 3D operational models to improve efficiency, lower costs, and enhance sustainability
Universal Matter Inc.
Manufacturing & Processing
Producing graphene from carbon waste streams
MCatalysis
Manufacturing & Processing
Converting waste carbon into low-cost clean fuels with advanced microwave and catalyst technology
Turnover Labs
Manufacturing & Processing
Modular electrolyzers converting dirty onsite CO₂ into basic chemicals
Monaire
Infrastructure & Construction
Reducing HVAC energy use and repair costs for small commercial buildings
Trellis Air
Infrastructure & Construction
Membrane-based dehumidifiers that are vastly more energy-efficient than desiccant wheels and standalone dehumidifiers
NewGrid
Energy & Power
Software and services to enable system operators, utilities, and power market participants to reduce grid congestion
AMPeers
Energy & Power
Advanced MOCVD resulting in high-temp superconductors with higher performance, faster output, and lower cost
Carbon To Stone
Energy & Power
Carbon-mineralization technology with high-value minerals and metals recovery
Boxes
Manufacturing & Processing
Smart, affordable, and sustainable retail combining the physical and digital worlds
PooPoof Inc
Food, Water, & Land
The world’s first pocket-sized bioreactor
Upstream Tech
Energy & Power
Software that expands access to environmental data through remote monitoring and reporting for seasonal forecasts
rStream Recycling LLC
Manufacturing & Processing
Autonomous waste-sorting system for non-industrial settings with critical waste volumes
FlowCellutions
Energy & Power
Preventing power outages and improving cost savings for critical battery systems
Fluor Enterprises, Inc.
Energy & Power
Leading global engineering, procurement and construction (EPC) company
Rafi Properties
Infrastructure & Construction
Thalon Materials
Emrod
Energy & Power
Sustainable power with long-range wireless power transfer technology
Solidec
Manufacturing & Processing
Converting carbon into chemicals using only air, water, and renewable electricity
Anning Corporation
Energy & Power
Targeting iron-rich rocks to produce hydrogen
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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.