The coal mining industry in Massachusetts is a rich tapestry of pioneering, innovative and resilient companies. These companies operate in a challenging sector, extracting and processing coal, a critical energy source, while prioritizing sustainability and environmental safeguards. Some specialize in cutting-edge technology for waste minimization while others leverage clean energy sources for metals production. With global sustainability efforts and technology advancements, the industry is progressively moving towards zero-waste production and more environmentally-friendly methods of resource recovery.


Top 24 coal mining companies in Massachusetts

1. Gradiant

  • Website: gradiant.com
  • Headquarters: Woburn, Massachusetts, United States
  • Founded: 2013
  • Headcount: 201-500
  • Latest funding type: Series C
  • LinkedIn

Gradiant is a global water solutions provider that specializes in cleantech water projects for mission-critical operations in essential industries. They offer technologies and solutions for drinking & ultrapure water, desalination & water reuse, waste minimization, and resource recovery of metals and minerals.


2. Phoenix Tailings

  • Website: phoenixtailings.com
  • Headquarters: Woburn, Massachusetts, United States
  • Founded: 2019
  • Headcount: 11-50
  • Latest funding type: Seed
  • LinkedIn

Phoenix Tailings is revolutionizing metals production by extracting valuable metals and rare earth elements from mining waste. They leverage technology and clean energy sources to create a zero-waste supply chain. Their sustainable approach addresses the environmental costs and destruction caused by traditional metals production.


3. Eden

EdenGeoPower is a company specializing in unlocking and utilizing geothermal power resources with minimal environmental impact. With a focus on carbon negativity and renewable energy, they offer innovative technology and solutions for geothermal power production, heating and cooling, and unconventional oil and gas extraction.


4. MIT Environmental Solutions Initiative

The MIT Environmental Solutions Initiative (ESI) advances science, engineering, policy and social science, design, the humanities, and the arts towards a people-centric and planet-positive future. MIT launched ESI in 2014, a major campus-wide effort to coordinate and develop interdisciplinary solutions to urgent challenges in environment and sustainability. ESI aims to harness the MIT community’s ingenuity and the Institute’s unique culture of collaboration through diverse activities in research, education, and convening.


5. Watersons

  • Website: watersons-mg.com
  • Headquarters: Attleboro, Massachusetts, United States
  • Headcount: 1-10

Watersons MG offers a wide range of Commercial Services; from Commercial Finance to Management Consultancy. What type of Commercial Finance? From project based Bank Guarantees, to Commercial Mortgages, and from Stock Finance to Invoice Factoring. And much more including leasing of plant and equipment to motor vehicles financing. What type of Management Consultancy? Principally Stategic interventions for both Manufacturing and Service based companies, with a strong emphasis in renewable energy and energy efficiency strategies.


6. Malta Inc

  • Website: maltainc.com
  • Headquarters: Cambridge, Massachusetts, United States
  • Founded: 2018
  • Headcount: 11-50
  • Latest funding type: Series B
  • LinkedIn

Malta Inc. offers breakthrough long duration energy storage technology that accelerates the decarbonization of the grid and economy. Their energy storage plants can repurpose fossil fuel plants, reducing carbon emissions and bringing down annual carbon dioxide emissions. They prioritize sustainability and resource efficiency in their supply chains.


7. Synapse Energy Economics

Synapse Energy Economics is a consultancy firm specializing in energy and climate challenges. They offer technical support, economic analysis, and strategic advice to government agencies and non-profit organizations. Their work focuses on areas such as energy efficiency, utility regulation, clean energy portfolios, and grid modernization.


8. Avery Manor

Shanghai Ximo Communication Technology Co., Ltd. is a smart lock enterprise that specializes in developing and producing integrated smart locks, with core algorithm technology for biometric locks, and more than 20 technical patents. They offer a range of smart lock products that cater to the changing needs of consumers, including fingerprint locks and locks for hotels and apartments.


9. Relay Power

  • Website: relaypower.com
  • Headquarters: Hudson, Massachusetts, United States
  • Founded: 2016
  • Headcount: 11-50
  • LinkedIn

RelayPower is a company that helps individuals and businesses find programs and incentives for clean and renewable energy solutions. They provide recommendations based on home and situation to maximize savings and reduce carbon footprint.


10. Breiter Planet Properties

  • Website: breiterplanet.com
  • Headquarters: Boston, Massachusetts, United States
  • Founded: 2017
  • Headcount: 51-200
  • Latest funding type: Corporate Round
  • LinkedIn

Breiter Planet Properties is a solar development and investment firm that provides energy solutions to property owners and rate payers. They focus on reducing carbon emissions, energy cost savings and providing energy independence to their clients.


11. Inaka Japanese Restaurant

The website appears to be a Chinese company selling electric boilers and solar systems for heating and providing hot water.


12. SolBid, Inc.

  • Website: solbid.com
  • Headquarters: Lowell, Massachusetts, United States
  • Founded: 2014
  • Headcount: 11-50
  • Latest funding type: Series A
  • LinkedIn

SolBid is a commercial solar solutions company that simplifies the process of designing, procuring, and installing commercial solar projects. They offer a ready-to-use platform with up-to-date data on costs, tax incentives, and profitability for building solar proposals in minutes. SolBid's mission is to empower a clean energy future by reducing carbon emissions and providing secure energy project financing.


13. Atlas Retail Energy

Atlas Retail Energy offers strategic and customized energy management solutions for commercial and industrial clients. With their wholesale market insight, they provide transparency, efficiency, and data-driven recommendations to optimize energy procurement. They offer services such as market-based procurement, demand side services, renewable initiatives, and customized reporting.


14. DaVinci 3.0

  • Website: davinci3.io
  • Headquarters: Boston, Massachusetts, United States
  • Founded: 2022
  • Headcount: 11-50
  • LinkedIn

DaVinci 3.0 offers best-in-class crypto mining systems powered by patent-pending plug and play immersion cooling technology for mining operations, renewable energy producers, and investors.


15. Digital Stream Energy Inc

Digital Stream Energy focuses on converting stranded energy sources into profitable and environmentally friendly cryptocurrency mining operations using their Portable Data Centers. They provide energy firms with scalable and mobile solutions to consume excess energy from sources such as underutilized power plants and abandoned high power users.


16. New Energy Blue, LLC

  • Website: newenergyblue.com
  • Headquarters: Boston, Massachusetts, United States
  • Founded: 2015
  • Headcount: 11-50
  • Latest funding type: Seed
  • LinkedIn

New Energy Blue is a clean energy producer that aims to replace petroleum-based products with green energy derived from agricultural waste. The company's proprietary refineries convert agricultural waste into high-value, carbon-neutral automotive fuel.


17. TRUELight Energy

TRUELight Energy is a company that offers solutions in the retail and wholesale energy markets, providing investment funds, power generation solutions, emerging energy technologies, and clean energy generation.


18. REXA, Inc.

  • Website: rexa.com
  • Headquarters: West Bridgewater, Massachusetts, United States
  • Founded: 1981
  • Headcount: 51-200
  • LinkedIn

REXA is a company that provides customer-specific engineered process control solutions. They are committed to maximizing return on investment for their customers and supporting them over the long-term. Their actuators deliver unparalleled performance and reliability with minimal cost of ownership. Whether the goal is to maximize uptime, increase throughput and efficiency, or improve safety, REXA is relied upon for the most challenging applications.


19. Massachusetts Municipal Wholesale Electric Company (MMWEC)

  • Website: mmwec.org
  • Headquarters: Ludlow, Massachusetts, United States
  • Founded: 1969
  • Headcount: 51-200
  • Latest funding type: Grant
  • LinkedIn

MMWEC is the leading provider of public power services in Massachusetts. They offer a wide scope of wholesale market solutions, managing municipal utility interests in the wholesale power market. They also focus on renewable resources and energy efficiency. MMWEC supports safety programs and provides scholarships to students. They are committed to decarbonization and electrification, aiming for net zero carbon emissions by 2050.


20. Ambri

  • Website: ambri.com
  • Headquarters: Marlborough, Massachusetts, United States
  • Founded: 2010
  • Headcount: 51-200
  • Latest funding type: Series E
  • LinkedIn

Ambri is a company that specializes in providing low-cost, long life, long duration, and minimal degradation energy storage solutions for carbon-free energy across each 24-hour day. Their Ambri battery systems offer consistent and responsive electrical power for transmission and distribution grid applications, as well as behind-the-meter customers with high energy demands such as data centers. With a lifespan of 20+ years and minimal fade, Ambri systems are reliable, safe, and environmentally friendly.


21. Onset Data Loggers

  • Website: onsetcomp.com
  • Headquarters: Bourne, Massachusetts, United States
  • Founded: 1981
  • Headcount: 51-200
  • LinkedIn

Onsetcomp.com offers a range of data loggers, remote monitoring stations, and cloud-based software for various applications. They provide solutions for water resource management, climate monitoring, environmental research, renewable energy, and more.


22. Boston Solar

  • Website: bostonsolar.us
  • Headquarters: Woburn, Massachusetts, United States
  • Founded: 2011
  • Headcount: 51-200
  • Latest funding type: Acquired
  • LinkedIn

Boston Solar is a company that offers residential and commercial solar energy solutions in Massachusetts. They provide solar installations, financing options, and assistance with tax credits. Boston Solar is known for its quality customer experience and top-quality components. They are a locally owned and operated company with a mission to help customers save money and reduce their carbon footprint.


23. Massachusetts Clean Energy Center

  • Website: masscec.com
  • Headquarters: Boston, Massachusetts, United States
  • Founded: 2008
  • Headcount: 51-200
  • LinkedIn

MassCEC is a Massachusetts-based organization that supports innovation and the clean energy industry. They offer funding, training, and resources to promote clean energy initiatives and help meet emission reduction goals. They also provide career and job-seeking opportunities in the clean energy sector.


24. Innosight

  • Website: innosight.com
  • Headquarters: Lexington, Massachusetts, United States
  • Founded: 2000
  • Headcount: 51-200
  • Latest funding type: Acquired
  • LinkedIn

Innosight is a growth strategy consulting firm that helps leaders design and create the future.


Want to find more coal mining companies?


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