Greentown Labs is currently home to more than 40 member start-up companies and supporting organizations which employ over 300 people. 

Our Companies

Our companies range from those just beginning prototyping to those who have raised a Series A venture round, and span technologies ranging from energy efficiency to transportation to water technology. We provide members with a variety of tools though the Greentown Labs Machine Shop and other sponsorships and available resources.

Check out  what is available to members and apply to be a member today!

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Alkemy Environment

Alkemy Environment holds a patented technology solution for recycling industrial waste streams into structural grade lightweight concrete aggregate; eliminating the need to landfill harmful waste materials and to excavate the earth's crust for building products.

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Accion Systems

Accion Systems is an MIT spinout providing propulsion systems to the rapidly growing satellite industry. Their proprietary ion beam technology addresses an industry-wide pain point--it's smaller, safer, and less expensive than existing solutions. In March, the team will be demonstrating its first product in space, and they've secured two letters of intent for sales in 2015.

Altaeros Energies

Developing a breakthrough airborne wind turbine that produces abundant, low-cost, renewable energy. Altaeros turbines are designed for easy mobility and deployment at remote locations.


Appollo Wind

Appollo Wind

Appollo Wind Technologies, LLC, is engaged in the development and commercialization of technologies that reduce peak energy demand at the point of use. The patented isothermal turbocompressor technology improves operating efficiencies of refrigerant vapor compression for HVAC.

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AquaFresco

Reinventing laundry. AquaFresco is reinventing the $50B cleaning market with its breakthrough wastewater recycle system. The company spun-off from the winning team of the MIT MADMEC competition in 2014. Since then, AquaFresco has been pushing the water recycle technology from a lab innovation to a commercialized product. Our novel water recycle system is currently tested at 3 pilot hotels, potentially cutting water and detergent use for laundry in these hotels by 95% with our patent-pending invention.

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Autonomous Marine Systems

AMS provides persistent ocean intelligence using networks of patented, low-cost, robotic sailboats. We’re changing the way the world explores and studies the oceans.

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Boronite

Boronite is an advanced materials company manufacturing Boron Nitride Nanotubes (BNNTs) in continuous yarn and tape formats. We are focused not only on being the first in the world to synthesize BNNTs in continuous form, but also on building industrial-scale manufacturing capabilities for these materials. BNNTs have unique mechanical, electro-mechanical, thermal, shielding, and high fracture energy properties and have the potential to revolutionize many aerospace and terrestrial applications. By significantly reducing weight, improving strength, and replacing multiple materials in each application, we will have a major positive impact on efficiency and emissions.

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Building Envelope Materials

Building Envelope Materials is developing a minimally invasive deep energy retrofit system for commercial and residential buildings. This system will reduce building energy use by 30 - 50% at one tenth the cost, and in one tenth the time, of conventional deep energy retrofit processes.


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CoolChip Technologies

CoolChip is a privately held company founded in 2010 to commercialize an innovative air-moving paradigm using patented and patent-pending Kinetic Cooling technologies for electronics cooling.

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Dash Electric

Dash Electric makes electric vehicles for urban commuters. Our first product is an electric longboard that acts as a “last mile vehicle” bridge gaps in public transportation so you can freely travel the city without breaking a sweat.

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De-Ice

De-Ice aims to permanently change the way airplanes are de-iced, from an expensive, slow and unsustainable chemical treatment to a novel electric method. De-Ice’s product will be manufactured directly onto airplanes, completely eliminating chemicals from the de-icing process and eradicating takeoff delays, at a fraction of the current costs.

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DSM

DSM is a multinational science-based company focused on health, alternative energy and bio-based materials. Through their innovative life and material science solutions, DSM prompts environmental progress, social growth and economic prosperity to drive global sustainability.

Dynamo Micropower

Dynamo Micropower

Dynamo sells advanced, fuel flexible gas turbines which generate heat and power for the oil and gas industry. Dynamo engines are highly configurable for different end applications with a demonstrable value proposition over traditional engines.


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Fairwaves

Fairwaves make rural mobile coverage profitable. We have built a unique technology that significantly lowers the cost of deploying and operating mobile networks in rural regions. Fairwaves is gaining a footprint in the telecommunications space by helping Mobile Network Operators (MNO) to roll out mobile networks to reach up-to 1.6 billion new customers.

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Greenseed Angels

Greenseed Angels is an angel investing group based in the Greater Boston area, dedicated to clean technology investing. Greenseed Angels invests at Seed stage in promising new ventures that are dedicated to improving sustainability and efficiency through innovative new products and services.

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Grove

Grove is powering the urban farming revolution with a web connected sensor and control system that automates any indoor growing environment.

IVYS

IVYS

At Ivys Inc., we are passionate about making the hydrogen future possible and driven to make fuel cell vehicles the norm rather than the exception. We are enabling this market by developing and providing safe and cost-effective fueling solutions. Ivys has a proven track record of architecting complex energy systems in the global energy, renewables and hydrogen markets; this includes distributed power generation, residential combined heat and power and on-site hydrogen generation and dispensing. Ivys is currently supporting several global clients in executing their U.S. hydrogen station designs and roll-out plans, as well as distributing a leading line of fuel cell-grade hydrogen purification technologies.

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Loci Controls

Loci Controls is dedicated to building tangible products and hands-on services that make a difference in the clean tech world. We provide a hardware-enabled service to help landfills harvest energy from the trash. We deliver automated monitoring and control of landfill gas collection to optimize production. With the Loci Controls solution, revenue from landfill gas-to-energy plants is increased, risk of noncompliance is mitigated, and odor complaints can be instantly addressed.

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Menon Labs

Specializes in the fast synthesis of titania nanotubes for filtration, photocatalytic and other related applications.

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MissionPoint Capital Partners

MissionPoint Capital Partners is capitalizing on high-growth investment opportunities created by the accelerating demand for clean, secure energy and the large-scale transition to a low-carbon global economy.

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MNL Partners

MNL Partners develops energy and environmental projects in global markets, with a focus on China. They bring together world-changing technologies, partnerships across the value chain, and the capital needed to scale. They work hands-on, providing active leadership from project conception through cash flow.

MultiSensor Scientific

MultiSensor Scientific, LLC, is developing a multispectral infrared (non-thermal) camera system to visualize and quantify methane leaks from natural gas infrastructure in real-time. By simultaneously imaging and determining gas density at every pixel, inspectors from the wellhead to the refinery to transport pipelines to the city street can locate and prioritize critical repairs, and reduce harmful methane emissions that are driving climate change.

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NBD Nano

NBD's nano-structured surface treatments result in improved energy efficiency for various applications such as HVAC, desalination, and atmospheric water generation.


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NewGrid

NewGrid develops decision support software for electric power transmission system operators to minimize congestion by routing power around congested areas. Routing is achieved by reconfiguring transmission systems through switching of high voltage circuit breakers. Our software enables reductions in the overall cost of electrical energy to consumers, eases renewables integration, and improves reliability and operational control of the grid.

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OpenWater Power

OpenWater Power is developing a novel Aluminum-Seawater Reactor with the potential for disruptive impact for undersea power generation. Invented and patented by its founders, the electrochemical system provides quiet, scalable, non-toxic energy storage and generation, with over 10x the demonstrated energy density of Li-ion batteries.

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Promethean Power Systems

Promethean Power Systems designs and manufactures rural refrigeration systems for commercial cold-storage applications in off-grid and partially electrified areas of developing countries.

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PV Pure

PV Pure has developed knowledge-based design, control and maintenance methods to make scalable, distributed solar powered water purification systems technically and economically feasible for non-expert end-user operation. By optimally designing for water source, environmental and demand variations, we make our systems a sustainable and affordable source of clean water for a wide range of market application.

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QD Solar

QD Solar’s technology combines efficient silicon solar cells with highly cost-effective infrared solar cells in a hybrid architecture to harvest more of the solar spectrum than silicon alone. At a minimum cost, the silicon solar cell efficiency is boosted by an additional 4 power points. The basis of QD Solar’s technology is colloidal quantum dots. These materials are nanometer-sized semiconductor particles whose bandgap can be tuned from the visible to the infrared by changing the particle size. The quantum dots are processed from solution, are compatible with high-throughput, cost-effective roll-to-roll processing technologies, and are inorganic, thus inherently more light- and air-stable than polymers. We are actively seeking out early stage development partners and investors to work with us to revolutionize the global power generation market with our colloidal quantum dot photovoltaic technology.

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Quantum Diamond Technologies

QDTI is developing novel quantum devices and sensors that exploit the unique properties of diamond. Founded in 2012, QDTI uses technology based on fluorescent crystal defects that can be used as sensitive electric and magnetic field probes, thermometers, quantum bits, and photonic elements – all at the nanoscale.

Ranger Solar

Ranger Solar is a utility scale solar development company focused on the New England region. Ranger is led by an experienced team with an extensive track record developing renewable energy projects across the United States. Our veteran developers and environmental specialists are committed to working closely with landowners and communities to bring new private investment and clean energy to the region.

Raptor Maps

Raptor Maps

Raptor Maps is a service and analytics provider for precision agriculture. Raptor Maps fuses drone-based imaging technology with additional data sources and advanced algorithms to monitor cropland. Raptor Maps provides agribusiness customers with early and specific detection of pest and weed infestations, reduced water usage, and improved nutrient management. As an unmanned service provider, Raptor Maps operates its unmanned imaging platform and delivers actionable insights through a cloud-based analytics portal.

Righthand Robotics

RightHand Robotics is developing autonomous each-picking systems to reduce the cost of material handling. The systems can be deployed in flexible automation and order fulfillment applications. By creating an end-to-end grasping system (compliant end-effector, custom perception stack, and grasping intelligence), we can leverage the strengths of each system, and integrate more effective error-detection and handling. Our system does not rely on detailed object models, so it requires little setup and handles the wide range of objects required for logistics work.

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Rise Robotics

Our business is creating powerful human motion with robotic body parts enabled by breakthrough mechanical inventions.


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Saint-Gobain

Saint-Gobain, the world leader in the habitat and construction markets, designs, manufactures and distributes building and high-performance materials, providing innovative solutions to the challenges of growth, energy efficiency and environmental protection.

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Sense Labs

Sense Labs was born from the simple idea that people should know what’s happening in their homes. Energy efficiency and home automation begin with information. We built the Sense home energy monitor to provide people with information about their homes in the simplest, most useful way possible.

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Silverside Detectors

Silverside Detectors helps governments reduce the threat of nuclear terrorism. Our lithium thermal neutron detection technology matches the performance of standard He-3 radiation detectors, but at 1/10th the price. This inexpensive radiation sensor is low-cost and efficient enough to be a "connected device" for networks of discreet detectors within and around cities, in transportation pathways, and nuclear material storage sites.

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Sistine Solar

Sistine Solar brings a radically new design touch to the world of solar. Combining techniques from solar photovoltaics, color science, and cognitive sciences, the company has developed SolarSkin, a patent pending technology that can create solar panels with any aesthetic – any color, design or pattern. With SolarSkin, homeowners can enjoy high efficiency panels that blend in harmoniously with their rooftops. Sistine Solar’s mission is to accelerate the adoption of solar through design.

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Sparkplug Power

Sparkplug Power is developing energy storage projects for grid ancillary services. It will own and operate these facilities.

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Spyce

We're a passionate group of engineers and food aficionados that want to change the way people eat on the go. Our knack for robotics and expert taste buds are driving technologies that will add a whole new flavor to the world of fast food.


Tagup

Tagup offers industrial equipment manufacturers a cloud-based solution to track products’ sensor, location, and static data in real-time. We enable manufacturers and their supply chain partners to have complete visibility into a product’s operational status, improving service contracts and generating new sales opportunities.

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Tank Utility

Tank Utility is a smart meter and app for delivered fuels. We increase fuel supplier margins by taking the guesswork out of logistics and modernizing their customers' experience.

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Tessolar

Tessolar offers the industry's first purpose-designed photovoltaic power hardware system. This integrated system combines a novel photovoltaic module with integrated installation hardware that enables the cost-effective use of higher performance materials and fully automated assembly processes. The resulting hardware is designed to reduce overall system costs with increased efficiency and reliability. Tessolar's system can be up to 30% lighter and could produce 10% more electricity over a typical 25 year system life. The integrated hardware system results in significantly lower labor, structural hardware, and electrical hardware costs for both roof mounted and ground mounted PV systems.

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Understory

Understory is a weather analytics and hardware start-up that installs proprietary weather sensing grids into metropolitan areas to track thunderstorms and other weather events as they move through each city. Understory packages the observations into an analytics package that helps enterprise companies manage their disaster response.

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Vecarius

Developing an exhaust heat recovery system that generates electricity and reduces fuel consumption and emissions of vehicles by 5 and 10%, achieving hybrid-like benefits at far lower cost.


Voxel8

Voxel8

Voxel8 is a startup company that is bringing novel materials to 3D printing. We will embed function into the typical shapes of 3D printing. Our materials, based on research by Harvard SEAS Professor Lewis, allow us to print embedded conductors, wires, and batteries into the normal matrix materials of 3D printing.

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Warner Research

William J. Warner is the founder of Avid Technology, Inc. and Wildfire Communications, Inc., FutureBoston, Inc, and Warner Research, LLC. Mr. Warner has acted as an angel investor, Techstars mentor, and is also working on book about entrepreneurship called “Intention and Invention.”

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WattGlass

WattGlass is developing the final generation of antireflective coatings for glass utilized in solar PV and LED lighting applications. Our technology enables the use of low cost water-based chemicals as a drop-in replacement for current solvent based coatings. The end result is glass that performs better, costs less, and reduces the use of hazardous materials. WattGlass is a spinout of research conducted at the University of Arkansas.

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WrightGrid

Designing and manufacturing solar powered charging stations to provide mobile electronic device users with a free and convenient outdoor charging option while on the go.


Our Alumni

AIW, LLC

AIW, LLC

Advanced Industrial Wireless Associates provides project consulting services that enable our customers to accelerate adoption of wireless automation technology in their organizations. Our expertise includes workforce training, technology strategy mapping, standards monitoring, business process analysis and revision, procurement management, and value justification services. Our associates are experts in industrial wireless automation systems and/or process automation. Our clients are typically global energy companies and their majors suppliers.

Apitronics

Apitronics

Apitronics is creating the internet of things for farms. They create technology that empowers small- to medium-sized farms in order to promote decentralized agricultural systems.


Avalanche Energy

Avalanche Energy

At Avalanche Energy, we believe that clean energy should be affordable and accessible to everyone. Our company designs and supplies minimalist solar energy product that are highly efficient, compact, and economic for residential and commercial small-scale applications.

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Bevi

Bevi makes vending kiosks which filter and bottle beverages at the point of use, instead of in a bottling plant. The kiosks cut the variable costs and carbon footprint of companies in the beverage vending industry by 80%.

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CrowdComfort

CrowdComfort offers building owners, operators, and occupants new and powerful ways to share information about comfort. They work with corporations to offer their employees a simple way to report on comfort, and convert that information into time stamped and geo-located heat maps.

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Efficienza

Efficienza is a consulting company that delivers real savings to customers through optimizing resources.

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Embue

Embue is an end-to-end cloud connected smart device company for portfolio-wide management of apartment buildings. Embue is focused on disrupting the status quo of building equipment operation and management. Today this is managed manually with little visibility, data collection or intelligence. Embue is introducing the ability to manage and control smart device equipment remotely, automatically and predictively. Embue’s cloud connected platform will give apartment managers the single smart device system and tools to move the operating cost needle including: energy, labor and maintenance.


Energy Compression

Energy Compression

Developing safe, green and low-cost energy storage solutions to facilitate microgrid energy management and islanding. Patented technology based on the adsorption of compressed air by zeolite minerals.


Energy-Intelligence

Energy Intelligence

Developing ultra-compact energy harvesting systems that are installed on roads to turn the motion of vehicles into electricity. More specifically, this proprietary technology transforms energy that would otherwise be wasted by braking vehicles into clean electricity that can power equipment onsite. The modular design is very scalable, easy to install, and offers quick payback.

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Greenbean Recycle

Greenbean is software company allowing bottle or can recycling machines called Reverse Vending Machines (RVM) to be paperless and cashless, allowing RVMs to be placed anywhere to increase recycling rates. Using a Greenbean RVM a user will get a real time impact of their recycling, allow their 5 cent refund to accumulate and transfer to any account they wish without a cash register or paper receipt. Greenbean is currently in 8 colleges in the greater Boston area.

Gusali Labs

Gusali Labs uses a proprietary low power sensor system to enable large scale, high density, wireless monitoring of bridge, building, pipeline, and storage tank structural health. Using advanced analytical techniques, data gathered from our sensor network is then processed in the cloud to provide actionable insights to municipalities and businesses in near-real time.

Helmet Hub

Helmet Hub

Making helmets more available lowering the barrier to entry for bikeshare users and minimizing need to drive vehicles.


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Hydrorecovery

Scalable hydrosystem technology transforming waste energy in water pipelines into clean and useful electricity with a payback time of 4 years or less.


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Invested Development

Reducing poverty in underserved markets through risk capital investments in innovative alternative energy, agricultural technology, and mobile technology startups.

Keystone Tower Systems

Developing a new manufacturing process for wind turbine towers that enables taller, more structurally efficient towers.


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LOLA Corp.

Various cleantech R&D projects.

Metacomb Inc.

MetaComb Inc. (MCI), a sustainable materials technology development and manufacturing company commercializing process that transforms repurposed corrugated cardboard (OCC) into a corrugated paper-core composite panel-board MetaComb™ material.

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OsComp Systems

Developing a game-changing compression technology capable of efficiently compressing wet gas and multi-phase streams to a magnitude higher compression ratios than existing technologies.


Piaggio

Piaggio Fast Forward

We are a research and development team that is developing clean mobility solutions as part of Piaggio Group. Founded in 2015 to solve the needs of today’s changing urban environments, PFF leverages more than a century of Piaggio’s experience in lightweight transportation of people and goods.

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Purpose Energy

PurposeEnergy builds patented anaerobic digesters specifically for the food and beverage industry. Their Tribrid-Bioreactors convert organic waste in clean water and energy; benefits include significant increase to bottom line, reduction in carbon footprint, onsite production of renewable energy, and the ability to reuse water.

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RailPod

RailPod is a robotic rail track inspection system. Track condition is accurately measured and correlated to a precise location then transmitted to clients in real time. RailPod’s technology provides precise geometry measurements, improves safety, and lowers the cost of everyday inspections while providing comprehensive data for rail operators globally.

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Save Energy Systems

Provides small to medium sized facilities with a simple, cost effective solution for the intelligent control of multiple HVAC systems, resulting in overall energy savings up to 25% without compromising comfort.

Subsea Energy North America

SubSea Energy is a micro-hydro turbine renewable energy system developer. SubSea's vision is to produce a highly efficient hydro energy generator system that will eventually generate electricity at $0.04 kWh to take homes, businesses and municipalities off the grid. Our mission is to develop proprietary river and tidal hydrokinetic systems that offer a high efficiency system with nearly 24 hours of power generation per day.

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Visolis

Visolis is an industrial biotechnology company developing the next generation of biocatalysts that can convert renewable feedstocks into chemicals and fuels at a price point competitive with petroleum based processes.

Member Spotlight promethean

Promethean Power

Promethean Power Systems designs and manufactures rural refrigeration systems for commercial cold-storage applications in off-grid and partially electrified areas of developing countries.

According to co-Founder Sorin Grama, Greentown offered the perfect combination of space and community—“you felt like when you came to work it wasn’t just you looking at your business partner,” he said. “Once you get together under one roof, you start collaborating through sharing ideas, looking over each other’s business plans, and sharing talent and people,” Grama said. He claims that the breadth of knowledge, creativity, and passion brimming from Greentown Labs was an invaluable resource that contributed to Promethean Power Systems’ success; today, the company is delivering products to its customer in India, and has received more than $5M in grant and institutional funding, in addition to winning numerous awards along the way. “It helps you become a stronger startup when you are part of a community.”

Greentown Graduates

Are You Building an Energy or Clean Technology Start-Up Company?

Are you looking for a community of entrepreneurs driven to get their energy or clean technology innovation to market? Would you like to expand your network of investors, potential strategic partners, government agencies, and experienced entrepreneurs working in the space? Do you want access to the services and products our sponsors provide?

Know a Company That Would Be a Great Fit for Greentown Labs?

We are always looking for entrepreneurs who can benefit not only through use of our prototyping space but also by being a part of the Greentown Labs community. We welcome referrals of promising start-ups from investors and our partnering organizations.

Getting Started

To get started, follow this link. We’ll follow up to set up a tour - the first step in our application process. If you decide you’d like to join Greentown Labs following your tour, the next step involves interviews with our board members and others in our entrepreneur community, as well as a review of your business plan. We will notify you of our decision within two weeks from the start of your application. If space is not immediately available, you’ll be placed on our waiting list.

Pricing

Greentown Labs rents desks at prices competitive with other nearby co-working spaces, with the added benefits of prototyping lab space co-located within the same facility (rented by the square foot) and a sector-focused entrepreneur community. Please contact Greentown Labs for current rates; discounts are available for very early stage companies and through our partnering organizations.

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