Top Massachusetts Greentech Companies (48)

Our software predicts how much energy homes will use and helps builders design and build more energy efficient homes. Our software is also used to verify compliance with dozens of energy codes, programs and to share information with homeowners. Our Home Energy Rating Software is the most widely used in the US, used on 1 in every 4 new homes. This...

Perk (formerly TravelPerk) is the intelligent platform for travel and spend management. Built to tackle the time-consuming, manual work that gets in the way of real work, our tools automate everything from travel bookings to expenses, invoice processing, and more. By eliminating this shadow work that wastes hours, erodes morale, and saps innovation, we’re on a mission to power real...

The VIONX Energy Corporation has developed a grid-scale, long duration energy storage system which has a 20+ year life, is certified non-flammable and safe, has unmatched performance and is bankable.

Ameresco, Inc. (NYSE: AMRC) is an independent, integrated, comprehensive energy efficiency and renewable energy company that is building a sustainable future with public organizations and private enterprise throughout North America and the United Kingdom. Through energy audits, innovative engineering, utility-scale solar farms and deep energy retrofits, Ameresco applies forward-thinking technology to the challenges of controlling emissions, enhancing energy security and...

CloudSolar is a revolutionary new company with the aim of providing clean solar energy to everyone, regardless of where they live or how much roof space they have. We will construct numerous solar farms and allow investors to own individual panels and receive the revenue from the electricity generated, or use it to offset their own energy consumption.

Eden is a leader in sustainable natural resource recovery. We break rocks with electricity to maximize subsurface permeability. We believe that a more sustainable approach to natural resource recovery is critical to creating a carbon-neutral future. By using high-voltage electricity and proprietary modeling and reservoir characterization techniques, we can achieve precise fracture permeability enhancement, while preventing the high-water consumption and environmental...

Based in Westborough, Mass., Ascend Elements is revolutionizing the production of lithium-ion battery materials by establishing a clean and sustainable supply chain using recycled feedstock. Its patented Hydro-to-Cathode™ technology directly synthesizes new cathode active materials from spent lithium-ion cells more efficiently than traditional methods, resulting in reduced cost, improved performance, and lowered GHG emissions. The results are lower cost, better...

Spoiler Alert is a technology company helping food businesses manage unsold inventory. We offer a business intelligence solution that allows organizations to track and analyze the products they are and aren't recovering, as well as a relationship management portal that facilities food donations, discounted sales, and organics recycling initiatives.

Autonomous Marine Systems designs and produces autonomous ocean surface craft for long-duration offshore data acquisition missions.

Form Energy is an American energy storage technology and manufacturing company that is developing and commercializing a pioneering iron-air battery capable of storing electricity for 100 hours at system costs competitive with legacy power plants. Form’s multi-day battery will reform the global electricity system to reliably run on 100% low-cost renewable energy, every day of the year.

ESS is widely recognized for its reputation as a best-in-class provider of Power and Renewable Energy, Coastal Engineering, and Water Resource Management consulting services.

Zipcar is the world’s leading car-sharing network, found in urban areas and university campuses in more than 500 cities and towns. Our team is smart, creative and fun, and we’re driven by a mission – to enable simple and responsible urban living. Being a Zipcar member gives you easy access to a car nearby without all the cost and hassle...

Carbon Relay offers advanced data science, deep reinforcement learning, and augmented intelligence that can boost your data centers’ energy efficiency by 5X or more, while preserving uptime.

CDM Smith provides lasting and integrated solutions in water, environment, transportation, energy and facilities to public and private clients worldwide. As a full-service engineering and construction firm, we deliver exceptional client service, quality results and enduring value across the entire project life cycle.

Tank Utility is a leading provider of remote monitoring services for truck-delivered energy. The company’s solution includes internet-connected tank level monitors, cloud-based software and analytics and white labeled mobile app that streamlines delivery logistics and improves customer retention and engagement. Tank Utility is a venture-backed company founded in 2014 by several employees from a leading demand response and energy intelligence...

At 424 Capital, we believe in aligning our personal values with our investments. At the core of our ethos is the mission of using our resources to build companies that are making a positive difference in the world. We look for investments with order of magnitude opportunity, and support accelerated growth for companies on a mission. The strategies we develop...

Sync Computing is an MIT based startup company on a mission to build the next leap in distributed computing in the cloud. Sync Computing’s foundational technology is capable of solving large-scale scheduling optimization problems instantly, unlocking unprecedented gains in the orchestration of large-scale computing applications. Businesses worldwide will be able to utilize cloud resources with optimal efficiency, saving billions of...

Seventy four buildings occupying 12 million square feet of space within the LMA's 213 acre campus rely on MATEP for the energy demands of their mission critical activities. MATEP provides steam, electricity and chilled water to five major hospitals with more than 2,000 beds serving more than 100,000 inpatients & 2.4 million outpatients each year.

ZwitterCo's membrane technologies maintain unprecedented fouling resistance and chemical tolerance, operating for years in what have historically been unfilterable process waters and wastewaters. Our mission is to make it practical for industries to recycle water and enhance product recovery with breakthrough advancements in filtration. To learn more, please visit our website at www.zwitterco.com or reach out at [email protected].

REsurety provides software and services to support both the financial and sustainability goals of clean energy buyers, sellers, and investors. Our software offers data-driven insights at various stages of the project lifecycle from initial exploration to portfolio management. Our services leverage our domain expertise and deliver solutions tailored to the unique needs of our customers. Learn more about REsurety at:...