Greentown Labs is currently home to more than 45 member start-up companies and supporting organizations which employ over 170 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.

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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.

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AirVentions

Technology that offers practical, cost saving solutions for the transportation and aviation industries. Lead products focus on collision avoidance systems for airport support equipment.


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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.


Apitronics

Apitronics

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


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Avalanche Energy

Avalanche Energy is developing a suite of energy products that will eliminate residential utility bills using solar thermal power. The patent-pending double reflector design operates at an efficiency greater than 80% and pays for itself in as little as three years.

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Building Envelope Materials

Building Envelope Materials is developing an affordable deep energy retrofit system for commercial and residential buildings. This system will reduce building energy use by 30 - 50% at approximately one quarter the cost 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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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.

Dynamo Micropower

Dynamo Micropower

Proprietary low cost, ultra-portable microturbines with applications including oil & gas, portable power generation, and distributed residential and commercial cogeneration.


Embue

Embue

Embue has developed a solution to optimize the use of HVAC equipment in residential and commercial settings by integrating smart meters into a rich web experience.


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.

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Grove

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

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.

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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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LOLA Corp.

Various cleantech R&D projects

Keystone Tower Systems

Keystone Tower Systems

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


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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.

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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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Nordic Scientific

Environmentally friendly, highly efficient and stable oxidizing solution for the bleaching, disinfectant, antiseptic and therapeutic markets.


Openwater Power

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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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.


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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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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.

Refresh Water

Refresh Water

Refresh 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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Rise Robotics

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


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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.


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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 offers the world's first solar digital billboards, signs, and street furniture. We design, engineer, and build beautifully sustainable dynamic displays for brands, cities and outdoor advertisers.

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Sol Power

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.


Sparkplug

Sparkplug Power

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

Sustainable America

Sustainable America

Sustainable America aims to reduce U.S. oil consumption while increasing U.S. food production. By raising awareness and supporting innovation, we can effect sustainable change.


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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.


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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.

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ALUMNI – Efficienza

EFFICIENZA is a non-traditional consulting company that can help industries, comercial centers, hotels and hospitals to achieve savings through sustainable business practices. Efficienza can optimize expected investments returns, and can increase the social and environmental commitment of companies through technological advancements and good operational practices. Also, Efficienza has an innovative financial program that makes projects more viable.

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ALUMNI – 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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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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