Top Greentech Companies in Boston, MA (70)
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...
Ekotrope's Top Stability & Growth Strengths
Strong Market Position & Advantage: Ekotrope is positioned as the most widely used HERS rating software in the U.S., supporting roughly 1 in 4 new homes and serving 7,000+ builders with 400,000+ homes per year. Penetration spans hundreds of HERS rating companies and more than 40 utility new‑construction programs.
Investor Backing & Capital Strength: An $11M financing in October 2025, bringing tracked cumulative funding to about $15.9M, underscores continued capital support for expansion. Multiple independent profiles indicate the company has raised additional capital over time rather than a single one‑off event.
Product Line Growth: The company has expanded beyond its core RATER tool into Market Intelligence data products and solutions for utilities, builders, manufacturers, and lenders. Release history shows major version updates (e.g., Version 5.0 in 2025 with additional releases in 2026), indicating an active roadmap.
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...
Perk's Top Stability & Growth Strengths
Strong Revenue Growth: Company disclosures cite strong year-over-year revenue growth in 2025 with annualized revenue surpassing $300M, and later coverage describes revenue nearing $400M annualized in 2026. This points to rapid scaling from 2023 through 2026.
Investor Backing & Capital Strength: Recent financings include a $200M Series E at a $2.7B valuation and a $300M private credit facility, with third-party trackers noting over $1B raised across multiple rounds. This capital base is positioned to fund continued product and geographic expansion.
Market Expansion: The company launched its Spend product in the U.S. and indicated the market already represents a substantial share of new business, while also opening new international locations. These moves signal broadening global reach and demand.
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 Cooler®, 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...
Bevi's Top Stability & Growth Strengths
Strong Revenue Growth: Revenue is reported to have surpassed the $100 million annual mark with continued year-over-year gains. Feedback suggests momentum is reinforced by growth in newer verticals such as education and hospitality.
Market Expansion: The company extended its footprint from North America into the UK and Ireland and broadened placements beyond offices into campuses, hotels, gyms, warehouses, and other venues, while scaling to more than 6,000 customers. Feedback suggests international entry and vertical diversification are driving a larger installed base and usage milestones such as surpassing one billion single-use containers avoided.
Product Line Growth: The offering advanced from smart water coolers to a connected beverage platform, adding functional enhancements and a better-for-you soda line alongside new countertop hardware. Feedback suggests the expanded menu increases relevance across more locations and upsell potential within existing accounts.
Jaros, Baum & Bolles (JB&B), founded in 1915, is an engineering firm specializing in mechanical, electrical, and plumbing (MEP) systems. They create high-performance building designs that contribute to sustainable, low-carbon built environments. Now operating within Trinity Consultants' Built Environment division, the company combines its deep expertise in high-performance building systems with strengths in acoustic design, facility operations, commissioning, and technology...
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].
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...
Our controlled environment facilities help us farm smarter, so we can sustainably grow more healthy, delicious foods on a large scale, year-round.
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.
Zero Homes is a technology company providing an end-to-end digital platform that simplifies residential home electrification. The platform supports the planning, purchasing, and scheduling of energy-efficient upgrades, such as heat pumps and electrical panels, using virtual assessments and high-precision design tools to remove the need for in-home sales visits and reduce design costs.
Clean Air Task Force is a U.S.-based nonprofit that advances technologies and policies to reduce carbon emissions across the economy, aiming for a zero-emissions, high-energy planet at an affordable cost.
Clean Harbors is North America's leading provider of environmental and industrial services, offering hazardous and non-hazardous waste management, emergency spill response, industrial cleaning, and recycling services.
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...
The age of solar has arrived. With prices falling by 80% in less than a decade, solar power is now within reach of every American household. Here’s the problem: 90 million American households are currently locked out of the solar marketplace. Maybe it’s because they rent their homes. Or other solar companies are not willing to sell to them. Or simply because...
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...
Ameresco's Top Stability & Growth Strengths
Strong Market Position & Advantage: Ameresco is positioned as a top-tier North American ESCO/EaaS provider with federal contracting access (e.g., DOE Gen4 ESPC, U.S. Army ESPC vehicles), third-party recognition, and multiple marquee storage and resiliency project wins that reinforce competitive standing.
Resilient & Sustainable Growth: Revenue increased to $1.93B in 2025 with record quarterly results, backed by a multi‑billion‑dollar backlog and stated multi‑year revenue visibility, indicating durable demand and a long conversion runway.
Diversified Revenue Streams: Earnings mix is shifting toward recurring owned energy assets and long-term O&M, with disclosures indicating these recurring lines now drive a large share of adjusted EBITDA, improving durability versus purely one-off project work.
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.
ESS Group, Inc.'s Top Stability & Growth Strengths
Investor Backing & Capital Strength: A majority investment by ISG is described as providing a solid financial platform to support an ambitious growth strategy and continued growth plans. This capital support is positioned as enabling further expansion initiatives.
Market Expansion: Active 2026 updates featuring awards and new openings/events, along with noted acquisitions intended to catalyse further expansion, point to a growing business footprint. Available materials indicate ongoing activity consistent with scaling.
Future-Ready Strategy: A stated goal of being self-sufficient by 2024 in the sustainability policy signals a structured long-term operating plan. This suggests planning aligned with longer-horizon operational resilience.
Manus Bio is an industrial biotechnology company that uses engineered microbial cell factories, fermentation, and biomanufacturing to produce sustainable alternatives to ingredients, materials, and chemicals traditionally sourced from crops, petrochemicals, or animal products. Its portfolio includes monk fruit and stevia sweeteners, as well as bio-based flavor and fragrance ingredients, helping food, beverage, and other manufacturers improve supply security and reduce...
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...
Transaera, Inc. is a Massachusetts-based climate-tech startup and MIT spin-out that develops ultra-efficient, sustainable cooling systems for residential, commercial, and industrial applications. By utilizing novel desiccant materials, the company aims to revolutionize air conditioning, significantly reducing energy consumption and greenhouse gas emissions while enhancing indoor air quality and occupant comfort on a global scale.
Finally develops home lighting systems, intended to create high-quality and energy-efficient bulbs.
Indigo improves grower profitability, environmental sustainability, and consumer health through the use of natural microbiology and digital technologies. Utilizing beneficial plant microbes and agronomic insights and working across the supply chain, Indigo is forwarding its mission of harnessing nature to help farmers sustainably feed the planet.
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