MassVentures is a venture capital firm based in Waltham, Massachusetts, established in 1978 as a quasi-public corporation by the Massachusetts Legislature. The firm focuses on providing seed and early-stage funding to high-growth startups, facilitating their transition from concept to commercialization. MassVentures invests primarily in sectors such as information technology, healthcare, cybersecurity, e-commerce, mobile, manufacturing, and robotics. With a governance structure that includes an independent Board of Directors and management by experienced venture capitalists, MassVentures leverages the state's entrepreneurial spirit and innovation centers to support the Massachusetts innovation economy. The firm also offers accelerator programs to further assist emerging companies in their growth journey.
Aclarity, LLC is a manufacturer of innovative water purification devices aimed at improving water treatment processes for residential use. Founded in 2017 and headquartered in the United States, the company leverages patent-pending electrochemical technology to effectively remove a wide range of contaminants, including pathogens, metals, volatile organic compounds (VOCs), per- and polyfluoroalkyl substances (PFAS), and ammonia from water. Aclarity's systems are designed to provide cost-effective, low-maintenance solutions, ensuring comprehensive purification while promoting safe and clean water for its customers and end-users.
ClearGov Inc. develops a Software-as-a-Service-based financial transparency and benchmarking platform for local governments and residents in California, Connecticut, Massachusetts, and New York. Its platform provides information on financial statements into an interactive infographic. The company’s software includes modules for financial forecasting, peer-to-peer financial benchmarking, collaborative government budgeting, public financial transparency, capital projects communications, and department-by-department public accountability. In addition, it offers data analysis tools that allow governments to compare their spending to municipalities of a similar size and demographic makeup. ClearGov Inc. was founded in 2015 and is based in Maynard, Massachusetts.
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.
FLxDER
Grant in 2020
FLxDER creates a prototype of its cloud-based software to optimize electric fleet vehicle charging so as to reduce electric grid impacts and costs, and coordinate operation with other distributed energy resources.
MSW Power Corporation, established in 2012 and based in Acton, Massachusetts, specializes in waste management solutions. The company offers innovative products such as the BWEC GEM, an integrated system that transforms various types of waste—including paper, wood, plastic, agricultural residues, and food—into electricity and heat. Additionally, MSW Power provides the HydroPactor, which efficiently reduces the weight of waste by extracting moisture, and a solid waste destruction system that utilizes mechanical and thermal methods to remove moisture from solid waste. Through these technologies, MSW Power aims to deliver environmentally beneficial and economically viable solutions for energy and waste management.
Flux Marine specializes in developing electric marine propulsion systems designed to enhance performance while minimizing environmental impact. The company focuses on creating electric boat motors that utilize solid-state components to achieve zero emissions, thereby reducing pollution in marine environments. By prioritizing efficiency and sustainability, Flux Marine's motors not only enhance transport capabilities but also significantly lower noise and air pollution. Additionally, these propulsion systems are virtually maintenance-free, contributing to a reduced carbon footprint and promoting cleaner practices within the marine industry.
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.
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.
Developer of a heat sink optimization platform designed to hybridize computational fluid dynamics. The company develops a compliant vapour chamber technology to eliminate thick thermal interface materials in the form of gap fillers and/or thermal grease in the aforementioned hardware, thereby using analytical, numerical, and experimental methods to consult on complex problems involving momentum, heat and mass transport phenomena.
MicroContinuum offers precision micro-and nano-imprinting and patterning using patented roll-to-roll and batch manufacturing technologies. It y serves a range of clients, including Fortune 100 corporations, startups, and government labs, helping test and develop new nanostructured surfaces for the electronics, lighting, solar, energy harvesting, and health industries.
Transaera is focused on creating a new generation of affordable and energy-efficient cooling systems designed to minimize energy consumption while providing effective climate control. Their technology aims to enhance indoor environments crucial for both business operations and personal comfort, benefiting human productivity. By offering environmentally friendly cooling solutions, Transaera addresses the need for systems that have a reduced impact on the global climate and local energy infrastructure. These innovative cooling systems are suitable for both residential and commercial applications, enabling consumers to choose options that use significantly less energy compared to traditional air conditioners.
ClearGov Inc. develops a Software-as-a-Service-based financial transparency and benchmarking platform for local governments and residents in California, Connecticut, Massachusetts, and New York. Its platform provides information on financial statements into an interactive infographic. The company’s software includes modules for financial forecasting, peer-to-peer financial benchmarking, collaborative government budgeting, public financial transparency, capital projects communications, and department-by-department public accountability. In addition, it offers data analysis tools that allow governments to compare their spending to municipalities of a similar size and demographic makeup. ClearGov Inc. was founded in 2015 and is based in Maynard, Massachusetts.
change:WATER Labs is developing disruptive technologies to expand safe and dignified sanitation to the poor and vulnerable non-sewered household and communities. change:WATER Labs creates a waterless, portable, compact toilet that was built with sustainability and global change in mind. The change:WATER Labs team is dedicated to developing and deploying safer, smarter, more dignified sanitation for communities in need.
Titan Advanced Energy Solutions specializes in developing advanced battery management systems for lithium-ion batteries, leveraging patented ultrasound technology to enhance battery performance. Their flagship product, ionView, delivers over 99% accuracy in state-of-health and state-of-charge assessments, which leads to a minimum 20% increase in charge capacity and a 125% extension of battery life. The systems also offer real-time monitoring, safety controls, and cell-level balancing. Titan's solutions cater to a diverse range of industries, including automotive, energy storage, mobile devices, and battery manufacturing, ultimately supporting the electrification and decarbonization efforts for a sustainable future. Founded in 2016 and located in Somerville, Massachusetts, the company was previously known as Titan Energy Analytics.
Developer of machine-learning software designed to support businesses in building software infrastructure and creation. The company specializes in developing software and API to collect, enrich and stream data from buildings to their digital products and services, enabling engineers to collect commercial building data, which powers their Building Optimization, Cx, RCx, MBCx, and M&V services.
Metalmark creates nanostructured materials that destroy submicron scale airborne pollutants and toxins to support healthy indoor air quality. It aims to address the challenges associated with air pollution and climate change. The company's air cleaning technology utilizes catalytic materials to filter the air with nanoscale precision.
It was founded in 2017 and is headquartered in Boston, Massachusetts.
Developer of thermal electric systems intended to deliver clean and low-cost power. The company's electrification system adds an electric boiler in parallel to the existing boiler system and uses dispatching software to manage fuel switching between the boilers without disruption to the supply of steam, enabling industries to offset higher power costs and more emissions-intensive fuels and switch to clean steam energy.
Solchroma Technologies, Inc. specializes in the manufacture of full-color, reflective digital display screens designed for advertising applications. Founded in 2015 and headquartered in Somerville, Massachusetts, the company offers non-LED displays that possess sunlight reflective properties and high-quality color reproduction. These displays are particularly suitable for outdoor advertising and on-premise signage. Solchroma's innovative technology features a proprietary system utilizing electroactive polymer actuators, which function as hydraulic pumps to transfer colored ink from reservoirs to color filter chambers. By selectively absorbing ambient light through layered cyan, magenta, and yellow filters, the displays achieve grayscale effects by varying the visible amounts of ink, creating vibrant and dynamic visual presentations ideal for the smart cities of the future.
Littoral Power Systems, established in 2015 by experts in the alternative energy sector, focuses on innovative and sustainable hydropower technologies. The company specializes in providing renewable power solutions deployable in remote, non-grid-connected areas. A key feature of Littoral's approach is the development of prefabricated, modular equipment, which simplifies assembly and maintenance, allowing local installation crews with limited resources to effectively implement hydropower systems. The firm produces equipment made from recycled materials, addressing challenges related to cost, environmental impact, and regulatory complexities in ocean energy. Their designs cater to various applications, from small configurations suitable for tight waterways to large energy farms, enabling clients to efficiently harness energy with minimal environmental footprint.
ClearGov Inc. develops a Software-as-a-Service-based financial transparency and benchmarking platform for local governments and residents in California, Connecticut, Massachusetts, and New York. Its platform provides information on financial statements into an interactive infographic. The company’s software includes modules for financial forecasting, peer-to-peer financial benchmarking, collaborative government budgeting, public financial transparency, capital projects communications, and department-by-department public accountability. In addition, it offers data analysis tools that allow governments to compare their spending to municipalities of a similar size and demographic makeup. ClearGov Inc. was founded in 2015 and is based in Maynard, Massachusetts.
Infinite Cooling Inc. is a company focused on water recovery systems designed for power plants and other industrial facilities. Founded in 2017 and based in Massachusetts, the company employs innovative technology utilizing high-voltage electric fields to capture and recycle water that evaporates from cooling towers. This process significantly reduces water waste and helps mitigate water scarcity. By implementing its systems, Infinite Cooling enables power plants, data centers, and factories to lower their water consumption and treatment costs, promoting sustainability in industrial operations.
Optodot Corporation develops components based on nanotechnology for energy storage, energy conservation, and energy generation markets. It offers NanoPore, a separator that utilizes a patented coating-based manufacturing process to make nano porous ceramic membranes; NPORE lithium ion battery separators; secure infrared coated films and laminates that are used for covert and forensic security applications in various asset security or product/document authentications; and window films. The company focuses on the development of products for lithium ion battery separator and organic solar cell markets; and optical communications, including optical switches, optical buffers, modulators, and photo detectors using optical chip and component technology to enhance optical transport networks. In addition, it provides intellectual property, product development, and contract services in the areas of coatings, as well as focuses on strategic partnerships and licensing to commercialize products for energy, security, and communications solutions. The company serves start-up companies, Global 50 companies, the Department of Defense, and the Department of Energy. It has a strategic partnership with Madico, Inc. The company was founded in 2000 and is based in Woburn, Massachusetts.
Massachusetts Materials Technologies, founded in 2014 and based in Waltham, Massachusetts, is an MIT spin-off focused on transforming innovative ideas into commercially viable products in materials, mechanics, and manufacturing. The company specializes in nondestructive technologies that measure the strength and toughness of materials, particularly in the oil and gas sector. Its advanced instrumentation allows for the accurate assessment of the mechanical properties of pipelines without disrupting service or requiring pipe cutouts. This capability supports the energy industry in evaluating the integrity of natural gas pipelines, ensuring safety and efficiency in operations.
Heila Technologies is an MIT-born startup dedicated to simplifying the integration and operation of individual Distributed Energy Resources (DERs) and microgrids. It is focused on the commercialization of the Heila IQ Platform, a decentralized optimization system that reduces system complexity and cost. The company was founded in 2017 and is based in Somerville, Massachusetts.
MTPV Power Corporation is a clean energy company based in Austin, Texas, that specializes in Micron-gap ThermalPhotoVoltaics (MTPV) technology. Founded in 2003, the company originated its technology from research at MIT and Draper Laboratory. MTPV Power develops semiconductor chips designed to convert waste heat from various sources into clean energy, primarily electricity. This innovation enables industrial businesses to harness alternative energy sources, thereby enhancing productivity and reducing operational costs. Through its advancements in semiconductor technology, MTPV Power aims to contribute to more sustainable energy solutions in the industrial sector.
NewGrid is a software firm in the utilities industry, focused on the development and commercialization of topology optimization technologies. NewGrid’s software supports power operations and operations planning decision making including outage scheduling and coordination, seasonal contingency planning, remedial action plan and operating guide (Op. Guide) development, and congestion management. Our team is made of engineers, researchers, software developers and economists with years of experience in power systems and markets analysis and design. NewGrid’s founders are thought-leaders in the applications of topology optimization technology to power system operations. With DOE ARPA-E support, they led the first team to ever produce security-constrained topology re-configurations on large-scale RTO systems automatically, with short calculation times acceptable to system operators.
NewGrid is a software firm in the utilities industry, focused on the development and commercialization of topology optimization technologies. NewGrid’s software supports power operations and operations planning decision making including outage scheduling and coordination, seasonal contingency planning, remedial action plan and operating guide (Op. Guide) development, and congestion management. Our team is made of engineers, researchers, software developers and economists with years of experience in power systems and markets analysis and design. NewGrid’s founders are thought-leaders in the applications of topology optimization technology to power system operations. With DOE ARPA-E support, they led the first team to ever produce security-constrained topology re-configurations on large-scale RTO systems automatically, with short calculation times acceptable to system operators.
Cambrian Innovation Inc. specializes in wastewater treatment systems that utilize innovative technologies to recover resources from wastewater, enabling cleaner water and energy generation. The company's primary offerings include the EcoVolt Reactor, which employs electrically active microbes, and the EcoVolt Mini, a compact system designed for smaller facilities to manage biological oxygen demand and total suspended solids. Additionally, Cambrian provides the EcoVolt MBR, a membrane bioreactor that integrates membrane filtration for effective contaminant removal, particularly for the food and beverage sector. Founded in 2006 and based in Watertown, Massachusetts, Cambrian Innovation initially received a grant from NASA to explore bioelectricity applications for water management, and has since developed a comprehensive portfolio of solutions that assist industrial, agricultural, and municipal clients in efficiently managing and reusing their resources while significantly reducing treatment costs.
MTPV Power Corporation is a clean energy company based in Austin, Texas, that specializes in Micron-gap ThermalPhotoVoltaics (MTPV) technology. Founded in 2003, the company originated its technology from research at MIT and Draper Laboratory. MTPV Power develops semiconductor chips designed to convert waste heat from various sources into clean energy, primarily electricity. This innovation enables industrial businesses to harness alternative energy sources, thereby enhancing productivity and reducing operational costs. Through its advancements in semiconductor technology, MTPV Power aims to contribute to more sustainable energy solutions in the industrial sector.
NewGrid is a software firm in the utilities industry, focused on the development and commercialization of topology optimization technologies. NewGrid’s software supports power operations and operations planning decision making including outage scheduling and coordination, seasonal contingency planning, remedial action plan and operating guide (Op. Guide) development, and congestion management. Our team is made of engineers, researchers, software developers and economists with years of experience in power systems and markets analysis and design. NewGrid’s founders are thought-leaders in the applications of topology optimization technology to power system operations. With DOE ARPA-E support, they led the first team to ever produce security-constrained topology re-configurations on large-scale RTO systems automatically, with short calculation times acceptable to system operators.
With over $150 billion spent on delivered fuels (i.e. Propane, Heating Oil, Diesel, etc.) every year, fuel distribution companies struggle to efficiently plan deliveries with more than 50% of all delivery miles (or about 1/6th of total market spend) being unnecessary. Tank Utility uses real-time tank level measurements from IoT monitors and innovative business intelligence software to eliminate wasted delivery miles while helping fuel providers provide a better customer experience through greater transparency..
With over $150 billion spent on delivered fuels (i.e. Propane, Heating Oil, Diesel, etc.) every year, fuel distribution companies struggle to efficiently plan deliveries with more than 50% of all delivery miles (or about 1/6th of total market spend) being unnecessary. Tank Utility uses real-time tank level measurements from IoT monitors and innovative business intelligence software to eliminate wasted delivery miles while helping fuel providers provide a better customer experience through greater transparency..
EverVest specializes in financial risk analysis and cash flow modeling software tailored for renewable energy investors. The company's web-based platform enables banks, investors, and developers to effectively analyze and structure financing for new renewable energy projects. Additionally, it offers enterprise risk management features that assist portfolio managers in making informed decisions, thereby promoting sustainable growth within the renewable energy sector.
Loci Controls, Inc. specializes in optimizing landfill gas collection through its innovative automated systems. The company has developed the Loci WellWatcher, which combines wellhead-mounted hardware with cloud-based monitoring and analytics to enhance the extraction of methane from landfills. By providing real-time monitoring of gas composition, pressure, temperature, and flow, Loci Controls has demonstrated the capability to increase gas collection by over 20%, thereby improving safety and reducing operational costs for landfill operators and energy utilities in the United States. The firm also employs patent-pending technologies and offers continuous monitoring alongside field service support, aiming to enhance profitability while addressing environmental, health, and safety concerns. Established in 2012 and based in Fall River, Massachusetts, Loci Controls is dedicated to advancing renewable energy production through efficient landfill gas management.
Vecarius is a company providing heat recovery solutions particularly in markets involving energy-intensive mobile or portable applications.
SachSiSolar
Grant in 2013
SachSiSolar develops technology to reduce the costs of solar panels. The company provides manufacturers with an inexpensive retrofit for their production lines to increase the efficiency of solar panels. The technology will drive down the cost of high-efficiency photovoltaics and enable high-technology manufacturing in Massachusetts.
Thermeleon offers a greenhouse screening system with the added capability of passively cooling and heating the greenhouse. It is a next-generation screen system with integrated thermal energy storage for horticulture. During the day, it will absorb the excess energy, which will be released at night when there is high energy demand. As a result, both the gas costs and CO2 emissions are reduced significantly.
SolidEnergy Systems Corp. specializes in the development and manufacturing of rechargeable lithium metal batteries, targeting applications in drones, wearables, smartphones, and electric vehicles. Founded in 2012 and located in Woburn, Massachusetts, the company operates at a pilot scale to produce rechargeable cells for prototype demonstrations and niche aerospace markets. SolidEnergy's core innovation lies in the materials it provides, specifically anodes and electrolytes, which are designed for integration with existing lithium-ion cell manufacturing processes. This compatibility enables the company to scale its production without the need for significant investment in new infrastructure. By supplying these materials to major lithium-ion cell manufacturers, SolidEnergy facilitates the creation of customized battery solutions for a variety of applications, positioning itself for growth in the mainstream consumer electronics and electric vehicle markets.
SolaBlock offers an innovative solution for integrating solar energy production directly into building structures through its solar-clad masonry and tile wall systems. This technology combines conventional building materials, such as concrete blocks and tiles, with permanent solar photovoltaic elements. These systems are designed to be weather-resistant, theft-proof, and vandal-resistant, making them suitable for both urban and remote locations. By utilizing renewable energy sources, SolaBlock allows building owners to economically benefit from building-integrated photovoltaic panels, enhancing the sustainability and energy efficiency of their properties.
Takachar creates a network of waste management enterprises in Kenya that turn unmanaged agricultural residues into charcoal, a low-cost, non-toxic, and eco-friendly cooking fuel for low-income households. They have developed a series of low-cost (US$20), locally manufacturable technologies to enable waste-to-char conversion, which has been tested and refined in Kenya for the past 3 years. Since 2011, They have set up or directly helped 7 nascent and locally run waste-to-charcoal enterprises in Kenya, some of which have since even demonstrated operational profitability and paying customers. So far they have created about 100 jobs and sold 50 tons of eco-char. Moving forward, they are trying to prove the long-term financial viability of these enterprises, which, if successful, will be the basis of a franchise network.
Ze-gen is a renewable energy company that utilizes proprietary gasification technology with ordinary waste streams to generate clean, sustainable, low-cost synthesis gas for multiple applications. Founded in 2004, Ze-gen has used innovative science, processes, a team, and industrial support in order to organize a group that believes that there is a possibility to efficiently repurpose the carbon content found in everyday waste and use it in various forms of renewable energy.
Fotech Solutions Limited specializes in developing distributed acoustic sensing solutions, primarily for the oil and gas, pipeline, and security sectors. The company offers a range of technologies, including distributed acoustic sensors that deliver real-time intelligence for monitoring infrastructure and assets, such as LivePIPE for pipeline integrity and Helios Theta for comprehensive asset visibility. Fotech's solutions also extend to various applications, including rail monitoring, reservoir management, and security automation. With a focus on simplifying asset management and enhancing operational efficiency, Fotech provides interpretive tools that enable engineers to visualize and assess conditions in real time. Founded in 2006, Fotech is headquartered in Winchester, United Kingdom, and has additional offices in Calgary, Houston, Hong Kong, Kuala Lumpur, Dubai, and Mumbai. The company collaborates with a network of partners both in the UK and internationally to deliver its advanced monitoring solutions.
ThermoEnergy Corporation, founded in 1988 and headquartered in Worcester, Massachusetts, specializes in the development and commercialization of advanced wastewater treatment and carbon-reducing combustion technologies. The company offers a variety of wastewater treatment systems based on its controlled atmosphere separation technology (CAST) platform, which includes solutions for treating brackish and natural water sources, recycling wastewater, and ensuring compliance with regulatory standards. Key products include Turbo CAST for heat recuperation and Mobile CAST for self-contained wastewater processing. Additionally, ThermoEnergy provides ammonia recovery processes for agricultural fertilizers, renewable energy solutions that convert waste into usable fuel, and enhanced biogas production methods for animal waste treatment. The company also holds a patented pressurized oxycombustion technology that facilitates the conversion of fossil fuels and biomass into electricity while significantly reducing air emissions and capturing carbon dioxide. Its technologies serve various sectors, including heavy manufacturing, petrochemicals, and municipal wastewater treatment, aiming to support clients in enhancing efficiency, reducing costs, and achieving sustainability goals.
Ze-gen is a renewable energy company that utilizes proprietary gasification technology with ordinary waste streams to generate clean, sustainable, low-cost synthesis gas for multiple applications. Founded in 2004, Ze-gen has used innovative science, processes, a team, and industrial support in order to organize a group that believes that there is a possibility to efficiently repurpose the carbon content found in everyday waste and use it in various forms of renewable energy.
Ze-gen is a renewable energy company that utilizes proprietary gasification technology with ordinary waste streams to generate clean, sustainable, low-cost synthesis gas for multiple applications. Founded in 2004, Ze-gen has used innovative science, processes, a team, and industrial support in order to organize a group that believes that there is a possibility to efficiently repurpose the carbon content found in everyday waste and use it in various forms of renewable energy.
TerraTherm, Inc. specializes in the development and implementation of in situ thermal remediation technologies aimed at addressing organic contaminants in subsurface environments. Founded in 2000 and headquartered in Gardner, Massachusetts, the company provides a comprehensive range of services, including advising, designing, building, and operating thermal remediation projects from inception to completion. TerraTherm's offerings encompass technology selection, feasibility studies, treatability assessments, and enhancements for existing remediation efforts. The company serves a diverse clientele, including engineering firms, government agencies, corporations, and property owners, and operates internationally across various regions including Europe, Asia, and the Americas. TerraTherm is recognized for its innovative approach that utilizes heat and vacuum systems to effectively eliminate hazardous substances such as fuel oils, PCBs, and solvents from contaminated sites.
CytoLogix
Series B in 2001
CytoLogix is a private company that focuses on developing laboratory instrumentation for non-routine complex stains. The company develops the Artisan, a tissue staining instrument used primarily for cancer diagnosis. It claims that the instrument was the first instrument to provide true walk-away automation for both immunohistochemical and complex special stains.
VS Technology designs and manufactures fixed focal, telecentric, macro, line scan, and other industries.
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