Connecticut's coal industry encompasses a diverse range of businesses that primarily focus on coal mining, processing, and distribution. These companies, like SIAS Global, LLC and Krishnan & Associates, Inc., offer an array of services from consulting and analytics to financial advisory services. The future of the industry in Connecticut looks toward clean tech and alternative energy sources even while maintaining its coal footprint, signaling an interesting juncture at the intersection of tradition and innovation.


Top 20 coal companies in Connecticut

1. SIAS Global, LLC

  • Website: siasglobal.com
  • Headquarters: New Haven, Connecticut, United States
  • Founded: 2009
  • Headcount: 11-50
  • Latest funding type: Grant
  • LinkedIn

SIAS Global provides expert analyses that save clients hundreds of millions of dollars by assessing, monitoring, and evaluating essential resource activities to help investors, bankers, surety underwriters, academics, consultants, and legal advisors, among others.


2. Krishnan & Associates, Inc.

Krishnan & Associates is a global consulting firm specializing in the power and energy industry. The company offers a comprehensive range of marketing, market analytics, mergers & acquisitions, and recruitment services.


3. CC Hinckley

  • Website: cchinckley.com
  • Headquarters: Essex, Connecticut, United States
  • Headcount: 1-10

#WindPower, #SolarPower, #AlternativeEnergy, #Clean Tech, #Financial Advisory, #ChuckHinckley


4. Yale Environment 360

  • Website: e360.yale.edu
  • Headquarters: New Haven, Connecticut, United States
  • Founded: 2008
  • Headcount: 1-10
  • LinkedIn

Yale Environment 360 is an online magazine offering opinion, analysis, reporting, and debate on global environmental issues. We feature original articles by scientists, journalists, environmentalists, academics, policy makers, and business people, as well as multimedia content and a daily digest of major environmental news. View all our content at Yale Environment 360 and add your comments to the discussion. Plus, follow us on Facebook (facebook.com/YaleEnviro360) and Twitter (twitter.com/YaleE360).


5. Aquila Systems

  • Website: aquilasys.com
  • Headquarters: Oakdale, Connecticut, United States
  • Headcount: 1-10

Aquila Systems Inc is a company that operates in the Automotive industry. It employs 11-20 people and has $1M-$5M of revenue. The company is headquartered in Oakdale, Connecticut.


6. Corry Hospital

  • Website: corryhospital.org
  • Headquarters: Hartford, Connecticut, United States
  • Headcount: 1-10

Established in 1894, Corry Memorial has gone through several transformations leading up to today. The hospital currently has 82 beds and has over 25 different services for inpatient and outpatient use. Employing over 230 people, the hospital has over 60 physicians and over...


7. Starwood Energy Group

Starwood Energy Group is an investment company focused on the energy sector. They offer funding and support to energy projects, primarily in the renewable and natural gas markets. With a team of experienced professionals, they provide expertise in project development, financing, and asset management.


8. Cost Containment Advisors

Cost Containment Advisors is a property tax advisory firm that helps asset-intensive enterprises pay fair, accurate taxes and manage tax exposures.


9. Community Lending Associates

CLA provides written recommendations for loan approval and secondary market conditions within 48 hours of receiving your loan package. Loan products underwritten include: Portfolio, Secondary Market, and Government Programs Conventional and Jumbo Fixed and Adjustable Rate Streamlined/Alternative Documentation Stated Income/Assets Balloon Payment and Interest Only Construction Only and Construction/Perm 2nd mortgage - Home Equity, Home Improvement, and HELOC We have been providing contract underwriting since 1992. CLA knows the mortgage lending business. We evolve our methods to keep up with origination trends, advances in technology, and risk analysis, as well as the most current underwriting guidelines. Automated underwriting systems score thousands of applications. Their parameters are based on a trillion dollar portfolio and there risk factors are dispersed over a nationwide lending area - very different from community lenders who serve a specific geographic area with more concentration. Unlike an AUS, CLA tailors our service to the unique factors in you market area, your institution's appetite for risk, the loan products you want to offer, and your staff's level of lending experience. Additionally, an experienced underwriter is available to discuss potential applications - situations where the customer is thinking about applying and needs your guidance. this allows you to request the proper documentation up front - not weeks after you've taken the application. This shortens loan approval time tremendously. CLA's interactive underwriting service helps develop your staff. The result is better service and satisfaction for everyone involved. Your customers and originators will appreciate this professional assistance.


10. North American World Trade, Ltd.

  • Website: nawtltd.com
  • Headquarters: Avon, Connecticut, United States
  • Founded: 1991
  • Headcount: 1-10
  • LinkedIn

North American World Trade, Ltd. offers world trade consulting and joint ventures services to clients.


11. IronMiners

  • Website: ironminers.com
  • Headquarters: Monroe, Connecticut, United States
  • Headcount: 1-10

IronMiners.com is a website consisting of the work of the IronMiners mine researchers as well as an active forum where historians, industrial archeologists, miners, photographers, and avid hikers can communicate. Visitors engage in discussions related to all aspects of mining, old or new. The Mine Forum is jointly operated by Abandoned Mine Research, Inc., Ohio Vintage Coal and the IronMiners.


12. BNE Energy

  • Website: bneenergy.com
  • Headquarters: Colebrook, Connecticut, United States
  • Founded: 2006
  • Headcount: 11-50

BNE Energy is a renewable energy company that develops, constructs, and operates clean, green, renewable wind generation facilities. They aim to become a leading supplier of wind energy that adds a significant amount of renewable, sustainable energy to our electric supply while protecting our environment and improving the community.


13. Castleton Commodities International

  • Website: cci.com
  • Headquarters: Stamford, Connecticut, United States
  • Founded: 2001
  • Headcount: 501-1000
  • LinkedIn

Castleton Commodities International (CCI) is a global energy company that specializes in energy commodities trading and infrastructure asset investing. With a focus on natural gas, power, and oil assets, CCI leverages its market expertise and operational capabilities to unlock value in energy markets. The company utilizes a data-driven approach to drive insight generation and opportunity identification.


14. Louth Callan Renewables

Louth Callan Renewables develops, constructs, and maintains clean, renewable-energy projects in the United States, specializing in solar solutions. They offer workmanship warranties and operations and management agreements to ensure optimal functioning of the systems. LCR procures top-level equipment manufacturers and investment-grade panels for their projects.


15. Preferred Utilities Manufacturing Corporation

Preferred Manufacturing is a company specializing in the design, manufacturing, and sale of equipment and systems for nuclear power plants. They offer a range of products including backup emergency generator equipment, instruments and controls, gas trains and blending skids, and custom engineered burners.


16. Charkit Chemical Company

  • Website: charkit.com
  • Headquarters: South Norwalk, Connecticut, United States
  • Founded: 1982
  • Headcount: 51-200
  • Latest funding type: Private Equity
  • LinkedIn

Charkit is a specialty chemical company that offers a wide range of components, ingredients, and raw materials to the chemical industry. With a global network of suppliers and exclusive agreements with quality suppliers, Charkit specializes in custom blending, formulations, manufacturing, and supplier relations.


17. CiDRA

  • Website: cidra.com
  • Headquarters: Wallingford, Connecticut, United States
  • Founded: 1996
  • Headcount: 51-200
  • LinkedIn

CiDRA is a company that specializes in providing innovative solutions for minerals processing, concrete, power generation, and dredging industries. They offer a wide range of products and services including flow and entrained air measurement, grind management, asset integrity services, and technical support.


18. Advanced Fuel Research, Inc.

  • Website: afrinc.com
  • Headquarters: East Hartford, Connecticut, United States
  • Founded: 1980
  • Headcount: 1-10
  • LinkedIn

Advanced Fuel Research, Inc. is a research and development company specializing in advanced sensors, materials, and fuels. The company provides analytical services, consulting, and customized solutions to meet customers' specific needs.


19. ACM FUEL, a KOCOL LLC Brand

  • Website: acmfuel.com
  • Headquarters: Madison, Connecticut, United States
  • Founded: 2015
  • Headcount: 1-10
  • LinkedIn

ACM FUEL is a KOCOL LLC brand that utilizes renewable methanol and recycles carbon dioxide to bring energy independence to America, Canada, and Mexico without significant changes to the energy infrastructure.


20. EcoCarbon Innovations Inc.

ECI's activities are focused on owning, building and operating tire recycling and high value specialty chemical manufacturing plants across North America and South America


Want to find more coal companies?


If you want to find more companies that engage in diverse operations from mining to advisory services you can do so with Inven. This list was built with Inven and there are hundreds of companies like these globally.


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  • Ownership: Which of these are private equity backed? Which are family-owned?
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...and a lot more!