Top Greentech Companies in Boston, MA (70)
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.
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.
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.
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...
Patriot Environmental Services is a leading environmental service provider with clients throughout the Southwestern United States. Patriot Environmental Services offers its clients consistent quality solutions to current environmental concerns. Patriot Environmental Services team members have built a solid reputation industry wide and have helped the regulated community make practical sense of environmental compliance and cleanup requirements. Today, private and public...
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.
ThinkLite is a global lighting efficiency company that custom designs, manufactures, distributes, and installs energy efficient retrofit solutions to commercial customers and governments. Our efficient lighting products leverage proprietary LED technologies that specifically adapt to existing infrastructures. We are headquartered in Natick, MA.
Our controlled environment facilities help us farm smarter, so we can sustainably grow more healthy, delicious foods on a large scale, year-round.
Acadia Micro provides a software as a service (SaaS) business model for renewable energy asset management across the nation. Our back-office services support development, maintenance, and operation services to enhance the efficiency of our clients' renewable energy projects. Acadia Micro specializes in complex and high volume billing procedures, performance monitoring services, customer acquisition and engagement, and REC/SREC tracking. We meet...
Greentown Labs is a 501(c)(3) nonprofit and climatetech startup incubator that accelerates climate innovation and commercialization. Its Boston and Houston incubators support entrepreneurs with laboratories, equipment, customers, capital, talent, community, and business-growth resources. By connecting startups with corporations, investors, policymakers, and ecosystem partners, Greentown Labs helps develop and scale solutions at speed for the planet, people, and prosperity.
Evoqua Water Technologies is the global leader in helping municipalities and industrial customers protect and improve the world’s most fundamental natural resource: water. Evoqua has a more than 100-year heritage of innovation and industry firsts, market-leading expertise, and unmatched customer service, where it continues to transform water and wastewater. Its cost-effective and reliable treatment systems and services ensure uninterrupted quantity...
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...
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.
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...
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...
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.
Headquartered in Walnut Creek, Calif., Brown and Caldwell is an employee-owned firm with 2,100+ professionals serving clients locally and globally from 52 locations. We are the largest engineering and construction firm solely focused on the U.S. water and environmental sectors. Our creative designs and progressive solutions have helped municipal, federal and private organizations overcome their most complex environmental challenges. We offer...
Brown and Caldwell's Top Stability & Growth Strengths
Strong Hiring & Retention: Headcount increased from about 2,614 to nearly 2,920 over a multi-year period, and the firm maintains a substantial slate of open roles to support a growing project pipeline. Active recruitment aligns with continued demand for environmental and water infrastructure services.
Strategic Partnerships: Partnerships with platforms like Lantern bring Microsoft-enabled digital tools into water-utility services. Collaborations such as work with the Water Utility Climate Alliance to shape climate-resilient design guidelines reflect a strategy of scaling capabilities through alliances.
Market Expansion: Regional scale-ups—including Pacific team additions and an expanded Chicago office—signal ongoing geographic growth to meet local client needs. A footprint spanning more than 50 locations across North America and the Pacific supports broader state and local expansion efforts.
Veolia, a global leader in environmental services, works every day to build environmental security for the benefit of public health and the competitiveness of industries and regions. With 215,000 employees across five continents, working closely with local communities, and thanks to its cutting-edge technologies, the group cleans up pollution, reduces carbon emissions, and regenerates resources through concrete solutions that combine...
Veolia's Top Stability & Growth Strengths
Profitability: Profitability is rising, with EBITDA up 6.3% in 2025 alongside a 70 bps margin expansion and further EBITDA and margin gains in the first half of 2026. Guidance was raised to at least +8% current net income growth for 2026, signaling continued momentum.
Market Expansion: Market expansion is evident in North America, where the 2026 Clean Earth acquisition doubled the U.S. hazardous‑waste business and lifted pro forma U.S. revenue to about $6.3B with targeted synergies. Additional moves such as the Icetec acquisition and a new Boston HQ reinforce the scale‑up under the GreenUp strategy.
Strong Market Position & Advantage: Strong market position is reinforced by repeated No. 1 rankings on ENR’s Top 200 Environmental Firms and characterizations as the world’s largest environmental‑services company. The post‑Suez combination and faster‑growing boosters in water technologies and hazardous waste further consolidate this advantage.
Vicinity Energy is a U.S.-based district energy provider operating systems that deliver steam, hot water, and chilled water to commercial properties and campuses. Its services support heating, cooling, humidification, and sterilization. The company is also advancing decarbonization through carbon-free eSteam™, produced with industrial-scale electric boilers, heat-pump complexes, and thermal storage, while serving customers across 12 U.S. cities throughout the United...
