Massachusetts Clean Energy Center

BlueShift is a climate technology company that specializes in electrochemical processes. It develops systems to capture carbon dioxide directly from the ocean and convert industrial waste into valuable minerals, such as nickel and carbonates. This process not only provides sustainable sources for these materials but also significantly reduces atmospheric carbon, contributing to climate change mitigation.

Adept Materials is a manufacturer of innovative multi-functional construction and advanced coating materials aimed at enhancing the sustainability of buildings. Founded in 2018 and headquartered in Somerville, Massachusetts, the company produces materials used in wall panels, sheathing, and roofing. These products are designed to improve energy efficiency, increase comfort, and enhance durability by passively managing heat and water vapor flows. By doing so, Adept Materials enables the construction industry to reduce energy consumption for heating and cooling, while also mitigating risks associated with mold, rot, and other water-related issues.

Altus Thermal, founded in 2019 and based in Boston, Massachusetts, focuses on transforming thermal energy solutions for residential settings. The company aims to enhance efficiency, comfort, and user experience while providing benefits to the electrical grid. Altus Thermal develops energy technology designed to electrify residential heating, cooling, and hot water systems. By maximizing performance and facilitating better integration with renewable energy sources and other distributed energy resources, the company enables homeowners to electrify their living spaces in an efficient and cost-effective manner.

Adhesion Technologies is a bio-adhesive producer offers an alternative to toxic furniture glues, promoting to reduce chemical exposure.

Dottir Labs specializes in developing spectroscopy sensor technology tailored for aqueous environments. This technology detects and measures nutrients, metabolic markers, and both organic and non-organic waste products in real-time, empowering clients to achieve sustainability through data-driven insights.

River Otter Renewables is a recycling comany that produced biocrude oil from plant and waste as well as sewage and plastic waste.

BlocPower is an innovative energy technology company based in Los Angeles, California, focused on creating healthier, greener, and smarter buildings. Established in 2014, BlocPower specializes in providing solar power and energy efficiency solutions tailored for churches, schools, small businesses, non-profits, and homeowners. The company employs advanced technologies and innovative electrification equipment to enhance urban structures, identifying and retrofitting energy-wasting buildings through a proprietary machine learning platform. This platform analyzes data to determine the most effective retrofits, enabling clients to reduce energy consumption and save 20 to 40 percent on their energy bills annually. By connecting various stakeholders—including government agencies, utilities, and equipment providers—BlocPower effectively addresses energy inefficiencies in financially underserved communities, contributing to the advancement of smart and sustainable urban environments.

Loop CO2 is a technology company focused on carbon dioxide utilization, dedicated to creating a sustainable future. The company specializes in innovative solutions that convert CO2 into essential products, including cosmetic oil, adhesives, and thermoplastic elastomers. By transforming CO2 into valuable materials, Loop CO2 enables its customers to reduce their environmental impact and adopt eco-friendly alternatives in their offerings.

Altus Thermal, founded in 2019 and based in Boston, Massachusetts, focuses on transforming thermal energy solutions for residential settings. The company aims to enhance efficiency, comfort, and user experience while providing benefits to the electrical grid. Altus Thermal develops energy technology designed to electrify residential heating, cooling, and hot water systems. By maximizing performance and facilitating better integration with renewable energy sources and other distributed energy resources, the company enables homeowners to electrify their living spaces in an efficient and cost-effective manner.

PowerHouse is a company dedicated to combating climate change by providing innovative solar energy solutions. It specializes in developing a solar energy system that overcomes the limitations of traditional deployment methods, offering versatile and aesthetically pleasing options for residential, commercial, and off-grid applications. The company's platform aims to expand the reach of renewable energy, making it more accessible and desirable for clients.

Yard Stick is a company focused on advancing soil carbon measurement to support climate-friendly agricultural practices. By developing a handheld device that utilizes VisNIR spectrometry, Yard Stick enables real-time evaluation of carbon stocks and changes in soil. This innovative technology significantly reduces the cost of soil carbon measurement by over 90%, addressing previous challenges in the field. The company's solutions empower both scientists and farmers to adopt evidence-based regenerative practices that enhance soil health, boost farmer income, and contribute to the fight against climate change. By facilitating more efficient measurement of soil carbon, Yard Stick aims to expand the adoption of sustainable agricultural methods on a large scale.

Nth Cycle is a metal processing technology company focused on recovering critical minerals from e-waste and low-grade mine tailings. Utilizing its innovative electro-extraction technology, Nth Cycle offers a cleaner and customizable alternative to traditional methods such as hydrometallurgy and pyrometallurgy. This technology allows for the efficient reclamation of valuable metals, thereby reducing reliance on primary mining and establishing a secure secondary source of these essential materials within the United States. By enabling the manufacturing and recycling industries to access new metal sources, Nth Cycle plays a crucial role in supporting the transition to clean energy.

Team Solar increases the rate of adoption of energy saving projects such as solar. We capitalize projects for companies that would have financial barriers to do so on their own. We raise the capital for these projects from investors. Our investors get long sustainable cash flow from a completely positive, ethical, sustainable, and repeatable source.

Kwiksulate is a developer of an innovative self-contained foam insulation system that enables users to dispense spray foam as needed. The company's product features a handheld dispenser that utilizes a magazine filled with foam precursors. This design allows for precise application tailored to the user's requirements, promoting efficiency and waste reduction. Additionally, the foam precursors are packaged in flexible bags that occupy less space than traditional insulation materials, further contributing to waste management. The fundamental architecture of Kwiksulate's system has potential applications beyond insulation, aiming to minimize costs and environmental impact across various industries.

Takachar is a company focused on transforming agricultural waste into valuable products, particularly eco-friendly cooking fuel. Operating primarily in Kenya, it has developed low-cost technologies that enable the conversion of unmanaged agricultural residues into charcoal, a non-toxic and affordable energy source for low-income households. Over the past three years, Takachar has established or assisted seven locally run waste-to-charcoal enterprises, some of which have achieved operational profitability. The company has successfully created approximately 100 jobs and sold 50 tons of its eco-char product. By utilizing oxygen-lean torrefaction reactors, Takachar helps farmers reduce waste through recycling, allowing them to generate additional income while preventing open burning of agricultural residues. The company aims to demonstrate the financial sustainability of these enterprises as a foundation for expanding its franchise network in the future.

Browning the Green Space is a non-profit organization based in New England that aims to enhance diversity and inclusion within the clean energy sector. The organization comprises a coalition of leaders and organizations dedicated to increasing the participation and leadership of underrepresented groups in this field. Browning the Green Space focuses on several key areas, including supporting diversity, equity, and inclusion (DEI) initiatives, facilitating the creation of clean energy jobs, providing training for employers on DEI practices, and promoting contracts with minority- and women-owned firms. Through these efforts, the organization seeks to foster a more equitable and inclusive clean energy landscape.

WeSpire Inc. is an engagement platform headquartered in Boston, Massachusetts, that specializes in sustainability and responsibility programs for global corporations. Founded in 2010 and previously known as Practically Green, the company employs persuasive technology to foster employee engagement in a variety of initiatives, including energy efficiency, water conservation, waste management, transportation, food sustainability, volunteerism, and corporate citizenship. WeSpire's platform utilizes dynamic content, social levers, and gamification, supported by applied behavioral science, to enhance participation in these programs. By providing a configurable library of action-based programs, WeSpire enables organizations to drive measurable positive impacts and improve environmental, social, and cultural outcomes. The company collaborates with prominent brands such as Unilever, MGM Resorts International, and Sony to promote engagement in corporate sustainability and social responsibility efforts.

Boston Materials, Inc. is a manufacturer of advanced composite materials based in Bedford, Massachusetts, founded in 2016. The company specializes in producing 3D reinforced carbon fiber pre-pregs and offers a patented Z-axis Fiber technology that incorporates vertically aligned carbon fibers. This innovative approach enhances the thermal, electrical, and mechanical properties of materials, making them suitable for various high-growth industries, including semiconductors, aerospace, automotive, and renewable energy. Boston Materials' products are designed to improve performance, efficiency, and reliability while addressing challenges related to durability and weight reduction. The company employs a roll-to-roll manufacturing process with in-line quality control, achieving an annual production capacity of one million square meters.

Blackburn Energy, Inc. is a Massachusetts-based company that develops and manufactures RelGen, a renewable electric power solution specifically designed for the commercial trucking industry. This innovative technology captures the kinetic energy generated by the driveshaft of long-haul trucks, converting it into electricity through a custom alternator. The generated power is stored in batteries and can be used to operate various truck subsystems, including electric auxiliary power units (APUs), liftgates, and sensors for autonomous driving. By providing a fast-charging system, Blackburn Energy's solution helps reduce fuel consumption and maintenance costs associated with engine idling, promoting cost savings and environmental benefits for trucking fleets. The company’s technology not only enhances the comfort of long-haul drivers but also contributes to significant reductions in carbon emissions, making it a compelling option for fleet operators seeking sustainable and efficient energy solutions. Established in 2008, Blackburn Energy aims to transform heavy trucks into mobile renewable energy platforms.

Altus Thermal, founded in 2019 and based in Boston, Massachusetts, focuses on transforming thermal energy solutions for residential settings. The company aims to enhance efficiency, comfort, and user experience while providing benefits to the electrical grid. Altus Thermal develops energy technology designed to electrify residential heating, cooling, and hot water systems. By maximizing performance and facilitating better integration with renewable energy sources and other distributed energy resources, the company enables homeowners to electrify their living spaces in an efficient and cost-effective manner.

Sol Clarity is focused on the development and production of innovative solutions for solar energy efficiency, specifically through its self-cleaning technology. The company creates transparent Electrodynamic Screens (EDS) that can be applied as overlays on solar panels or integrated during the manufacturing process. These screens utilize a system of interdigitated, parallel electrodes to generate a traveling electric wave, which charges dust particles and effectively removes them from the panel's surface. This technology ensures that solar panels stay clean without the need for water, manual labor, or moving parts, thereby enhancing the energy output of solar installations and contributing to their overall effectiveness and reliability.

Lydian aims to accelerate the decarbonization of the chemical industry by electrifying the chemical production process. Founded in 2021 by Branko Zugic, Lydian is headquartered in

Ithaca Clean Energy is a company that develops a renewable energy platform designed to enhance the efficiency of energy generation. Utilizing artificial intelligence-driven data analytics, Ithaca aims to improve connectivity and interactivity among stakeholders in the energy sector, including investors, developers, and operators. By providing tools that facilitate better-informed decision-making, Ithaca Clean Energy supports its clients in optimizing their operations and investments in the renewable energy landscape.

Enel Green Power is a global leader in renewable energy, focusing on the development and management of power plants that utilize a diverse array of resources, including wind, solar, hydroelectric, geothermal, and biomass. Established in December 2008 as part of the Enel Group, the company operates across Europe and the Americas, boasting an installed capacity of 64.7 GW and generating approximately 25 terawatt-hours of electricity annually. This production supports the energy needs of over 8 million households and contributes to significant reductions in carbon emissions, avoiding around 16 million tonnes of CO2 each year. Enel Green Power emphasizes sustainability and innovation while actively collaborating with local communities to promote socio-economic development. The company is committed to expanding its installed capacity and enhancing technological mixes tailored to local conditions, thus playing a crucial role in the global transition to sustainable energy.

Boston Materials, Inc. is a manufacturer of advanced composite materials based in Bedford, Massachusetts, founded in 2016. The company specializes in producing 3D reinforced carbon fiber pre-pregs and offers a patented Z-axis Fiber technology that incorporates vertically aligned carbon fibers. This innovative approach enhances the thermal, electrical, and mechanical properties of materials, making them suitable for various high-growth industries, including semiconductors, aerospace, automotive, and renewable energy. Boston Materials' products are designed to improve performance, efficiency, and reliability while addressing challenges related to durability and weight reduction. The company employs a roll-to-roll manufacturing process with in-line quality control, achieving an annual production capacity of one million square meters.

Techstyle Materials develops multifunctional construction materials that increase energy efficiency, improve comfort, increase durability, and simplify the construction of buildings. The company was founded in 2018 and is headquartered in Somerville, Massachusetts.

Verdox is dedicated to reversing climate change through the development and deployment of advanced technology. The company’s proprietary electro-swing process, developed at MIT, enables carbon dioxide and other acid gases to be captured with up to 80% less energy and 70% less cost than conventional approaches.

Sistine Solar, Inc. is a renewable energy company based in Somerville, Massachusetts, established in 2012. The company specializes in manufacturing SolarSkin, a product that camouflages solar panels to blend seamlessly with various roofing styles. Sistine Solar offers a range of customizable solar panel options, including architectural shingles, 3-tab shingles, concrete tiles, seamed metal roofs, and bespoke designs. By utilizing techniques from solar photovoltaics, color science, and cognitive sciences, Sistine Solar enables homeowners to personalize their solar installations, allowing for a harmonious integration of renewable energy solutions with the aesthetic preferences of their residences.

Blackburn Energy, Inc. is a Massachusetts-based company that develops and manufactures RelGen, a renewable electric power solution specifically designed for the commercial trucking industry. This innovative technology captures the kinetic energy generated by the driveshaft of long-haul trucks, converting it into electricity through a custom alternator. The generated power is stored in batteries and can be used to operate various truck subsystems, including electric auxiliary power units (APUs), liftgates, and sensors for autonomous driving. By providing a fast-charging system, Blackburn Energy's solution helps reduce fuel consumption and maintenance costs associated with engine idling, promoting cost savings and environmental benefits for trucking fleets. The company’s technology not only enhances the comfort of long-haul drivers but also contributes to significant reductions in carbon emissions, making it a compelling option for fleet operators seeking sustainable and efficient energy solutions. Established in 2008, Blackburn Energy aims to transform heavy trucks into mobile renewable energy platforms.

Boston Materials, Inc. is a manufacturer of advanced composite materials based in Bedford, Massachusetts, founded in 2016. The company specializes in producing 3D reinforced carbon fiber pre-pregs and offers a patented Z-axis Fiber technology that incorporates vertically aligned carbon fibers. This innovative approach enhances the thermal, electrical, and mechanical properties of materials, making them suitable for various high-growth industries, including semiconductors, aerospace, automotive, and renewable energy. Boston Materials' products are designed to improve performance, efficiency, and reliability while addressing challenges related to durability and weight reduction. The company employs a roll-to-roll manufacturing process with in-line quality control, achieving an annual production capacity of one million square meters.

Energetic Insurance, Inc. is an InsurTech company based in Boston, Massachusetts, founded in 2016. It specializes in providing solar insurance solutions that address credit and counterparty risks associated with commercial and industrial solar photovoltaic projects. The company offers a product called EneRate, which protects third-party solar developers and asset owners from repayment risks and revenue losses due to defaults on power purchase agreements (PPAs). Energetic Insurance employs a data-driven approach as a Managing General Underwriter, developing innovative risk management products that facilitate solar financing for unrated or below investment grade organizations. This enables solar project developers to undertake more projects and access capital by mitigating payment default risks, thereby enhancing project economics through lower interest rates and improved financial structuring.

Idle Smart, LLC, established in 2011 and headquartered in Kansas City, Kansas, with a presence in Lenox, Massachusetts, specializes in providing solutions for commercial vehicle fleets. The company's core product is Idle Smart, an automated engine start-stop system designed to minimize overnight idle time, thereby reducing fuel consumption and emissions. This solution is particularly suited for day cabs, electric auxiliary power units (APUs), and school buses operating in the United States and Canada. Idle Smart's platform also offers remote management features, including battery and coolant temperature monitoring, automated engine running, and real-time performance analysis, ensuring fleet uptime and optimizing overall performance.

Takachar is a company focused on transforming agricultural waste into valuable products, particularly eco-friendly cooking fuel. Operating primarily in Kenya, it has developed low-cost technologies that enable the conversion of unmanaged agricultural residues into charcoal, a non-toxic and affordable energy source for low-income households. Over the past three years, Takachar has established or assisted seven locally run waste-to-charcoal enterprises, some of which have achieved operational profitability. The company has successfully created approximately 100 jobs and sold 50 tons of its eco-char product. By utilizing oxygen-lean torrefaction reactors, Takachar helps farmers reduce waste through recycling, allowing them to generate additional income while preventing open burning of agricultural residues. The company aims to demonstrate the financial sustainability of these enterprises as a foundation for expanding its franchise network in the future.

Littoral Power Systems is a developer of hydropower and renewable energy equipment focused on addressing the challenges of cost, environmental impact, and regulatory complexity in the ocean energy sector. The company specializes in the design, manufacture, and installation of products that streamline the construction of energy projects, thereby reducing time, cost, and risk. Littoral Power Systems produces equipment made from recycled materials, which can be deployed in both small configurations suitable for tight waterways and larger setups for energy farms. This innovative approach enables clients to harness energy at a low cost while minimizing environmental impacts.

Boston Materials, Inc. is a manufacturer of advanced composite materials based in Bedford, Massachusetts, founded in 2016. The company specializes in producing 3D reinforced carbon fiber pre-pregs and offers a patented Z-axis Fiber technology that incorporates vertically aligned carbon fibers. This innovative approach enhances the thermal, electrical, and mechanical properties of materials, making them suitable for various high-growth industries, including semiconductors, aerospace, automotive, and renewable energy. Boston Materials' products are designed to improve performance, efficiency, and reliability while addressing challenges related to durability and weight reduction. The company employs a roll-to-roll manufacturing process with in-line quality control, achieving an annual production capacity of one million square meters.

Change:WATER Labs is focused on developing innovative technologies aimed at improving sanitation for underserved populations living in non-sewered households and communities. The company offers off-grid wastewater management solutions designed for residential, commercial, and industrial use. Its key product is a groundbreaking evaporative toilet system that processes waste on-site without requiring external power or plumbing infrastructure. This approach provides a safer, cleaner, and more sustainable sanitation option, significantly lowering costs associated with traditional waste collection and sanitation logistics. Through its efforts, Change:WATER Labs seeks to expand access to dignified sanitation for vulnerable populations.

Metalmark Innovations, Inc. focuses on developing and delivering advanced 3D nanostructured coatings designed to treat airborne pollutants and toxins, enhancing indoor air quality. The company offers its innovative materials as additive coatings for various applications, including building materials and vehicle interiors, effectively addressing pollutants such as hydrocarbons, carbon monoxide, ozone, PM2.5, volatile organic compounds, odors, and germs. Its air cleaning technology employs catalytic materials that filter air with nanoscale precision, contributing to solutions for air pollution and climate change challenges. Founded in 2017 and headquartered in Boston, Massachusetts, Metalmark Innovations was previously known as Aircrew Technologies, Inc. before rebranding in January 2019.

Greenlots is a developer of electric vehicle charging networks headquartered in Los Angeles, California. The company specializes in innovative software and services that facilitate the deployment of EV charging infrastructure for utilities, cities, communities, and automakers. By integrating network management software with charging optimization and grid balancing services, Greenlots provides a comprehensive platform that enhances the efficiency of charging infrastructure. Their technology includes a user-friendly mobile app designed for drivers, site hosts, and network operators, promoting a safer, cleaner, and smarter electric mobility future. With a global presence spanning three continents and operations in 13 countries, Greenlots is positioned to support the growing demand for electric vehicle charging solutions.

Borrego Solar is solving the world’s energy problems by accelerating the adoption of renewable energy. Their people are committed to excellence in every aspect of solar design, construction and operation.

SLIPS Technologies (slipstechnologies.com) is the leader in providing customized solutions for sticky problems in materials. We create highly-repellent slippery surfaces for customers in all industries including: energy, packaging, consumer, automotive and environmental. Our portfolio of pioneering and award-winning technologies and our years of know-how were created at the Wyss Institute for Biologically Inspired Engineering and the Harvard University School of Engineering and Applied Sciences.

Upstream Tech is a mission-driven organization that specializes in software development, machine learning, remote monitoring, and geographic information systems (GIS), particularly focused on freshwater conservation. The company creates technological applications that utilize satellite imagery and machine learning to monitor and measure irrigation across extensive geographic areas with high precision. By integrating various satellite and meteorological data sources, Upstream Tech enables environmental research organizations to enhance their conservation efforts and promote efficient water markets. Its software products aim to simplify access to advanced remote sensing and machine learning technologies, thereby accelerating the impact of environmental initiatives globally.

Poly6 Technologies, Inc. is a Boston-based company that specializes in digital manufacturing solutions for the biotechnology, aerospace, and electronics industries. Established in 2016 and emerging from MIT's Langer Lab, Poly6 develops innovative stimuli-responsive materials systems that facilitate the integration of hardware, software, and materials within existing production processes. Utilizing advanced 3D printing technology, the company focuses on creating intelligent materials that enhance engineering design capabilities and improve system efficiency. Poly6's solutions allow for the production of complex components with better tolerance control, significantly reducing costs in established manufacturing sectors by up to 30%. Additionally, the company is committed to environmental sustainability, having developed a novel bioplastic from citrus waste, which aims to mitigate pollution in manufacturing practices.

Wright Electric Inc. is a manufacturer of commercial electric airplanes, focusing on reducing costs and emissions in the aviation industry. Founded in 2016 and headquartered in Los Angeles, California, the company utilizes unique propulsion technology to create aircraft that eliminate emissions without relying on offsets. This innovation aims to make zero-emissions flight as economically viable as traditional fossil-fueled aviation, marking a significant step towards the electrification of the aerospace sector and fostering a sustainable future for air travel.

Greentown Labs, Inc. is a climate technology incubator founded in 2011 and located in Somerville, Massachusetts. The company provides co-located prototyping, office, and event spaces specifically designed for businesses in the clean technology, energy, and environmental sectors. Its mission is to foster a vibrant community of entrepreneurs by offering the necessary resources and support to help early-stage companies thrive. By creating shared warehouse spaces and facilitating collaboration, Greentown Labs aims to enable innovative solutions that address pressing climate challenges.

Stop & Shop Supermarket Company LLC operates 398 supermarkets across Massachusetts, Connecticut, Rhode Island, New York, and New Jersey, employing approximately 60,000 associates. The supermarket chain provides a wide range of grocery items, including fruits, vegetables, meat, and seafood. Committed to supporting local communities, Stop & Shop focuses on initiatives to combat hunger, childhood cancer, and promote health and wellness, particularly through educational programs for children. The company is dedicated to sustainability, being a member of the U.S. Green Building Council and the EPA’s Smart Way program, with 54 stores certified under LEED (EB) for their environmentally friendly practices and recognized by the EPA for superior energy management.

Change:WATER Labs is focused on developing innovative technologies aimed at improving sanitation for underserved populations living in non-sewered households and communities. The company offers off-grid wastewater management solutions designed for residential, commercial, and industrial use. Its key product is a groundbreaking evaporative toilet system that processes waste on-site without requiring external power or plumbing infrastructure. This approach provides a safer, cleaner, and more sustainable sanitation option, significantly lowering costs associated with traditional waste collection and sanitation logistics. Through its efforts, Change:WATER Labs seeks to expand access to dignified sanitation for vulnerable populations.

Blackburn Energy, Inc. is a Massachusetts-based company that develops and manufactures RelGen, a renewable electric power solution specifically designed for the commercial trucking industry. This innovative technology captures the kinetic energy generated by the driveshaft of long-haul trucks, converting it into electricity through a custom alternator. The generated power is stored in batteries and can be used to operate various truck subsystems, including electric auxiliary power units (APUs), liftgates, and sensors for autonomous driving. By providing a fast-charging system, Blackburn Energy's solution helps reduce fuel consumption and maintenance costs associated with engine idling, promoting cost savings and environmental benefits for trucking fleets. The company’s technology not only enhances the comfort of long-haul drivers but also contributes to significant reductions in carbon emissions, making it a compelling option for fleet operators seeking sustainable and efficient energy solutions. Established in 2008, Blackburn Energy aims to transform heavy trucks into mobile renewable energy platforms.

Tessolar is a developer focused on enhancing the performance of solar photovoltaic systems while lowering installation costs. The company specializes in integrated racking products designed for the efficient installation of solar panels, catering to both rooftop and ground mount applications. By utilizing aerospace-quality composite materials, Tessolar's innovative solutions facilitate faster installations and help reduce both soft and hard costs throughout the deployment process. Through its commitment to design innovation, Tessolar aims to advance the solar industry and enhance the accessibility of renewable energy solutions.

7AC Technologies Inc. is a company based in Beverly, Massachusetts, that specializes in innovative HVAC solutions using a unique membrane-isolated plastic plate technology. Founded in 2009 and formerly known as 7Solar Technologies, the company focuses on developing ultra-efficient liquid desiccant systems designed for commercial and industrial buildings. These systems offer significant energy savings, achieving over a 50% reduction in energy costs compared to traditional HVAC units. As of November 2020, 7AC Technologies operates as a subsidiary of Emerson Electric Co.

CleanFiber, LLC is a manufacturer of cellulose insulation materials designed for use in attics, walls, and floors of both residential and commercial buildings. Founded in 2013 and headquartered in Blasdell, New York, with an additional office in Buffalo, the company specializes in producing high-performance, carbon-negative insulation from recycled corrugated cardboard. This innovative approach not only promotes sustainability but also enables construction companies to build fire-resistant structures while maintaining cost competitiveness. CleanFiber has transitioned from its former name, UltraCell Insulation, LLC, in September 2018, and is currently focused on rapidly scaling up production to meet growing demand in the insulation market.

Greentown Labs, Inc. is a climate technology incubator founded in 2011 and located in Somerville, Massachusetts. The company provides co-located prototyping, office, and event spaces specifically designed for businesses in the clean technology, energy, and environmental sectors. Its mission is to foster a vibrant community of entrepreneurs by offering the necessary resources and support to help early-stage companies thrive. By creating shared warehouse spaces and facilitating collaboration, Greentown Labs aims to enable innovative solutions that address pressing climate challenges.

CleanFiber, LLC is a manufacturer of cellulose insulation materials designed for use in attics, walls, and floors of both residential and commercial buildings. Founded in 2013 and headquartered in Blasdell, New York, with an additional office in Buffalo, the company specializes in producing high-performance, carbon-negative insulation from recycled corrugated cardboard. This innovative approach not only promotes sustainability but also enables construction companies to build fire-resistant structures while maintaining cost competitiveness. CleanFiber has transitioned from its former name, UltraCell Insulation, LLC, in September 2018, and is currently focused on rapidly scaling up production to meet growing demand in the insulation market.

Anfiro, Inc. is a water technology start-up based in Cambridge, Massachusetts, founded in 2014. The company specializes in developing advanced reverse osmosis membranes using self-assembling polymers that are both chlorine resistant and exhibit ultra-high permeability. These innovative membranes significantly enhance the efficiency of water purification and desalination processes, allowing for reduced energy requirements and lower operating costs. By addressing the critical issue of global freshwater scarcity, Anfiro aims to provide clean and affordable water solutions, thereby contributing to a more sustainable future.

Greentown Labs, Inc. is a climate technology incubator founded in 2011 and located in Somerville, Massachusetts. The company provides co-located prototyping, office, and event spaces specifically designed for businesses in the clean technology, energy, and environmental sectors. Its mission is to foster a vibrant community of entrepreneurs by offering the necessary resources and support to help early-stage companies thrive. By creating shared warehouse spaces and facilitating collaboration, Greentown Labs aims to enable innovative solutions that address pressing climate challenges.

Thermeleon specializes in energy-efficient greenhouse solutions. Their core product is a next-generation screening system that passively cools and heats greenhouses. This system integrates thermal energy storage, absorbing excess heat during the day and releasing it at night, significantly reducing both gas costs and CO2 emissions.

Takachar is a company focused on transforming agricultural waste into valuable products, particularly eco-friendly cooking fuel. Operating primarily in Kenya, it has developed low-cost technologies that enable the conversion of unmanaged agricultural residues into charcoal, a non-toxic and affordable energy source for low-income households. Over the past three years, Takachar has established or assisted seven locally run waste-to-charcoal enterprises, some of which have achieved operational profitability. The company has successfully created approximately 100 jobs and sold 50 tons of its eco-char product. By utilizing oxygen-lean torrefaction reactors, Takachar helps farmers reduce waste through recycling, allowing them to generate additional income while preventing open burning of agricultural residues. The company aims to demonstrate the financial sustainability of these enterprises as a foundation for expanding its franchise network in the future.

SolidEnergy Systems Corp. develops and manufactures rechargeable lithium metal batteries primarily for applications in drones, wearables, smartphones, and electric vehicles. Founded in 2012 and based in Woburn, Massachusetts, the company focuses on producing high-performance lithium metal batteries and supplying essential materials, such as anodes and electrolytes, to major lithium-ion cell manufacturers. These materials can be integrated into existing manufacturing processes, allowing for scalability without significant infrastructure investments. SolidEnergy's pilot-scale production caters to prototype demonstrations and specialized aerospace markets, while its future growth is aimed at mainstream sectors like consumer electronics and electric vehicles. Additionally, the company is involved in developing AI-powered safety algorithms and recycling solutions, positioning itself as an integrated battery manufacturer with a commitment to innovation and sustainability.

7AC Technologies Inc. is a company based in Beverly, Massachusetts, that specializes in innovative HVAC solutions using a unique membrane-isolated plastic plate technology. Founded in 2009 and formerly known as 7Solar Technologies, the company focuses on developing ultra-efficient liquid desiccant systems designed for commercial and industrial buildings. These systems offer significant energy savings, achieving over a 50% reduction in energy costs compared to traditional HVAC units. As of November 2020, 7AC Technologies operates as a subsidiary of Emerson Electric Co.