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Top Greentech Companies in Boston, MA (56)

Ekotrope
Cloud • Greentech • Information Technology • Software • Energy
Boston
37 Employees
34 Benefits Hiring Now
Ekotrope makes Energy Efficiency Easy!

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...

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Ekotrope

Ekotrope's Top Stability & Growth Strengths

Strong Market Position & Advantage: Positioning as the #1 HERS software, deep RESNET integration (including accreditation through 2026 and registry workflows), and statements of use on roughly 1 in 4 new U.S. homes indicate an entrenched role in the HERS ecosystem. References such as “Builder Data Sharing powered by Ekotrope” and widespread program mentions reinforce ecosystem embed and influence.

Innovation-Driven Growth: Active 2026 releases (e.g., v5.2.2 and v5.2.3 beta) and alignment with evolving ANSI/RESNET 301 addenda, plus additions like HERS H2O, ONSITE, and Market Intelligence, point to sustained product investment and standards currency. Feature expansion into analytics, utility workflows, and inspections suggests growth beyond the core rating engine.

Investor Backing & Capital Strength: An $11M later‑stage investment in October 2025 and reported lifetime funding near $16.9–17.3M signal capacity to support product development and go‑to‑market initiatives. Inclusion on the Inc. 5000 in 2023 aligns with a multi‑year growth trajectory backed by external capital.

Perk
Artificial Intelligence • Fintech • Greentech • Sales • Software • Travel • Hospitality
11 Offices
1,800 Employees
86 Benefits Hiring Now
Perk: the intelligent platform powering real work.

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...

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Perk

Perk's Top Stability & Growth Strengths

Strong Revenue Growth: Reported metrics show annualized revenue crossing the $300M mark with multi‑year momentum and booking volume at multi‑billion scale. This trajectory signals sustained top‑line expansion through 2025–2026.

Investor Backing & Capital Strength: Fresh equity at a multi‑billion valuation alongside a sizable private credit facility and prior financing provides ample runway for product and market expansion. These transactions are corroborated by independent industry coverage.

Profitability: EBITDA break‑even by the end of 2024 indicates improving unit economics. Subsequent communications highlight margin improvement supported by an AI‑native platform.

Bevi
Greentech • Hardware • Healthtech • Internet of Things
City of Boston
252 Employees
66 Benefits Hiring Now
Join us on our mission to unbottle the future!

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...

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Bevi

Bevi's Top Stability & Growth Strengths

Strong Revenue Growth: Revenue is described as rising year over year into 2026, building on earlier gains in recurring revenue. Commentary ties the momentum to expansion into higher‑traffic segments alongside continued product activity.

Market Expansion: The company entered the UK and Ireland in January 2025, its first move outside North America. New service areas and direct-market buildouts indicate a widening geographic footprint.

Diversified Revenue Streams: Strategy emphasizes growth beyond traditional offices into campuses, hospitality, multifamily, fitness, airports, and other venues. Plans reference using real‑time dispense data to recalibrate placement and demand across segments.

ESS Group, Inc.
Greentech • Energy
Waltham

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.

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ESS Group, Inc.

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.

AppHarvest
Artificial Intelligence • Food • Greentech • Robotics • Social Impact
3 Offices
500 Employees
16 Benefits
We combine innovative technology with natural resources and farming know-how, using less to grow more.

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

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AppHarvest
WegoWise
Greentech • Energy
Boston

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

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WegoWise
Solstice
Greentech • Social Impact • Energy • Solar • Renewable Energy
Cambridge
73 Employees

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...

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Solstice
Autonomous Marine Systems
Greentech • Hardware • Robotics
Somerville
Deploy data acquisition platforms to help understand, protect, and exploit marine resource.

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

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Autonomous Marine Systems
Carbon Relay
Artificial Intelligence • Greentech • Energy
Boston

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.

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Carbon Relay
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24M Technologies
Greentech • Energy • Manufacturing • Renewable Energy
3 Offices
228 Employees
32 Benefits
24M is solving the grand challenge of energy storage with the invention of a semisolid lithium-ion battery cell.

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...

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24M Technologies
ThinkLite USA
Greentech • Hardware • Energy
Natick
50 Employees

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.

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ThinkLite USA
Infinite Cooling
Artificial Intelligence • Cloud • Greentech • Database • Analytics • Energy • Big Data Analytics
Somerville
Infinite Cooling provides optimization software for the largest industrial cooling systems in the world

Our TowerPulse™ platform enables real-time monitoring of evaporative cooling towers for optimization, issue identification, preventative maintenance, and asset management. It includes a set of wireless sensors specifically designed for cooling towers and best-in-class physics-informed machine learning algorithms that leverage advanced simulations and thousands of hours of operating data. With TowerPulse™, you will have all the cooling expertise you need at...

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Infinite Cooling

Infinite Cooling's Top Stability & Growth Strengths

Innovation-Driven Growth: Available information indicates MIT-developed, patented electrostatic capture (WaterPanel) and a physics-informed analytics platform (TowerPulse) underpin a differentiated approach validated by DOE/NETL support and peer-reviewed research. Feedback suggests first-mover status in electrostatic plume-water recovery is translating into visible technical credibility and early field deployments.

Strategic Partnerships: Public materials indicate collaborations with EDF at the Bugey nuclear plant and DOE/NETL-backed pilots, signaling traction with marquee utilities and agencies. These relationships appear to provide pathways from pilot testing toward scaled adoption.

Product Line Growth: The company now offers two complementary products—TowerPulse (sensors + AI) and WaterPanel (electrostatic water recovery)—shifting from pure R&D to packaged solutions. Available information indicates these offerings target power generation, manufacturing, and data centers, enabling cross-sell and upsell within accounts.

Energetic Insurance
Fintech • Greentech • Insurance • Energy
Cambridge
12 Employees
Unlocking solar financing for unrated or below investment grade organizations.

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...

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Energetic Insurance
Acceleron Fusion, Inc.
Greentech • Manufacturing
Cambridge
10 Employees
Limitless clean energy from muon-catalyzed fusion

Limitless clean energy from muon-catalyzed fusion

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Acceleron Fusion, Inc.
Farmblox
Artificial Intelligence • Big Data • Greentech • Internet of Things • Machine Learning • Software • Agriculture
Waltham
7 Employees
7 Benefits
Building blocks for the smart farm.

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...

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Farmblox
HDR
Greentech • Other • Real Estate
68 Offices
11,170 Employees
42 Benefits

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...

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HDR
CDM Smith
Greentech • Energy
Boston

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.

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CDM Smith
Zipcar
Greentech • Sharing Economy • Transportation
9 Offices
400 Employees
36 Benefits
The world’s leading car-sharing network - on a mission to enable simple and responsible urban living

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...

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Zipcar
Triumvirate Environmental
17 Offices
807 Employees
28 Benefits Hiring Now

Triumvirate Environmental Inc. provides sustainable environmental solutions to leading companies in the Life Sciences, Healthcare, Education, and Industrial markets. Key areas of expertise are in Waste Management & Disposal, COVID-19 Decontamination Services, EHS Consulting Services, and Lab & Facility Services. Our highly trained experts help organizations reduce waste, save money, stay safe and compliant, manage risk, and protect their reputation....

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Triumvirate Environmental
Form Energy
Greentech • Energy
4 Offices
577 Employees
29 Benefits Hiring Now
Energy storage for a better world.

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.

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Form Energy

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