Top Boston, MA Greentech Companies (48)

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...

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...

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.

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.

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.

PowerDash is a SaaS platform for the management and monitoring of alternative energy installations. Using data from energy systems such as solar photovoltaic inverters and meters, our platform provides visualization, analytics, alerts, and independent verification of energy performance. We serve thousands of installations across the US.

Our controlled environment facilities help us farm smarter, so we can sustainably grow more healthy, delicious foods on a large scale, year-round.

Our mission at Sense is to reduce global carbon emissions by making homes smart and efficient. We’re serious about having a real impact on climate change by empowering people to easily take care of their homes and to actively participate in a cleaner, more resilient future.

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.

Limitless clean energy from muon-catalyzed fusion

Finally develops home lighting systems, intended to create high-quality and energy-efficient bulbs.

Pioneering the Clean Energy Transition! Our solutions accelerate decarbonization, improve grid reliability, and reduce costs for energy providers and their energy customers alike. Did we mention that we’re a certified B Corp, too?

CrowdComfort offers building owners, operators, and occupants a new and powerful way to share information about comfort, maintenance, and safety issues with an easy to use smart device application.

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...

WegoWise provides a web-based utility analytics platform for the building performance industry. Bridging big data and energy efficiency, WegoWise distills large aggregations of energy and water data into actionable information for building owners, managers, energy auditors and energy efficiency programs. This enables them to track, understand and b

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...

HDR is an employee-owned design firm specializing in engineering, architecture, environmental and construction services. We’re ranked No. 6 among the world’s design firms and we’re the largest healthcare design firm. Led by the strength of our values and a culture shaped by employee ownership, we network with each other, build on each other’s contributions, and collaborate together to make great...

Energetic Insurance is a Managing General Underwriter (MGU) with a novel, data-driven approach to develop new risk management products to unlock exponential growth in the renewable energy industry. For solar industry participants who want to do more projects and deploy more capital, EneRate Credit Cover™ unlocks solar project financing for the unrated and below investment grade counterparties by covering payment...

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.

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...