Top Massachusetts Greentech Companies (50)

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...

Founded in 2013 with a vision to eliminate the need for single-use bottles and cans, Bevi is redefining how beverages are delivered in commercial spaces. Best known for its Smart Water Coolers®, Bevi has grown into the leading connected beverage platform, combining hardware, data, and beverage innovation to deliver still, sparkling, flavored, and enhanced drinks on demand. Powered by real-time...

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...

We are building tools for modern forestry management, for timber, carbon, biodiversity, and wildfire risk.

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...

Limitless clean energy from muon-catalyzed fusion

Community Solar: The Easiest Way to Tap into Clean Energy We’re bringing clean energy to homeowners and communities everywhere, and helping them save up to 15% on electricity costs without installing rooftop solar panels.

Alloy Enterprises is transforming how aluminum parts are made. Aluminum will be part of the electrification journey of everything that moves, and flexible, on-demand, and cost-competitive fabrication will be essential to this transition. Automotive, aerospace, and industrial equipment need to be lighter, and fabrication methods need to keep pace with the speed of innovative new designs. Our novel, scalable, full-stack...

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].

24M Technologies answers the world’s need for affordable energy storage by enabling a new, more cost-effective solution — SemiSolidTM lithium-ion technology. Our breakthrough manufacturing platform provides for low-cost, high energy density, safe and long-life storage for electric mobility, grid and other applications. Through strategic partnerships with industry leaders, including the Volkswagen Group, Kyocera, GPSC and FREYR, 24M has built an...

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.

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.

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.

enVerid is committed to improving energy efficiency and indoor air quality in buildings worldwide through its innovative, award-winning HVAC Load Reduction® (HLR®) solutions. HLR technology enables immediate capital cost savings on new HVAC systems and provides up to 40% energy savings and superior indoor air quality. Deployed in nearly 10 million sqf of commercial, academic, and government buildings, enVerid’s HLR...

GRAIN Ecosystem is a Boston and Montreal based start-up backed by Schneider Electric, a French multinational company committed to sustainability. Our mission is to stop global warming by accelerating our planet’s path to decarbonization. By simplifying the process of removing carbon from the earth’s atmosphere, we can empower carbon project developers to do more. We combine business and science to...

Farmblox is an early-stage startup pioneering the future of agriculture through our innovative IoT platform. Our mission is to empower farmers by providing technology and tools to optimize their operation, reduce labor costs, and improve efficiency. Our platform allows for seamless integration of a wide variety of sensors and controllers, enabling farmers to build automation solutions tailored to their unique...

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.

Improve home comfort and air quality w/ electric technologies. Heat Pumps, Water Heaters, EV charging, and more. Join the herd. #ElectrifyEverything

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...

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.