Natural gas companies in New York play a vital role in the state's energy ecosystem. These firms produce, distribute, and provide natural gas solutions to various sectors. They focus on traditional fossil fuels as well as renewables, catering to both residential and industrial needs. The industry is navigating a transition towards cleaner energy options, spurred by advancements in renewable natural gas (RNG) and growing sustainability expectations. With a proactive stance on reducing emissions, companies are exploring innovative technologies to harness waste gases. This shift points to an increasingly eco-conscious future for energy procurement and management in the region.

This list features a mix of natural gas companies headquartered in New York, ranging from small enterprises to family-owned giants with thousands of employees. Founded between 1900 and 2013, these companies specialize in diverse areas such as LNG and RNG services, energy consulting, and fuel oil distribution. With operations primarily focused in New York, these firms illustrate the breadth of the natural gas industry and contribute significantly to energy supply, efficiency, and environmental goals.

Continue reading to discover the top natural gas companies in New York.

Top 19 Natural Gas Companies in New York

1. TruStar Energy

• Website: trustarenergy.com
• Ownership type: Private
• Headquarters: White Plains, New York, United States (USA)
• Founded year: 2013
• Headcount: 51-200
• LinkedIn: trustar-energy

TruStar Energy, also known as OPAL Fuels, is a private energy company based in White Plains, New York, founded in 2013. The company specializes in renewable natural gas (RNG) solutions, focusing on capturing methane emissions from landfills and dairy farms. By converting these emissions into RNG, TruStar Energy provides a cleaner fuel alternative for fleet operators, helping them reduce greenhouse gas emissions and transition away from diesel. Their services include RNG production, fueling infrastructure, and project development, which are designed to support customers in achieving their carbon reduction goals. With a workforce of 51-200 employees, TruStar Energy has established itself as a significant player in the RNG market, operating over 350 projects nationwide and providing fueling solutions that are cost-effective and environmentally friendly.

2. Mirabito Energy Products

• Website: mirabito.com
• Ownership type: Family Owned
• Headquarters: Binghamton, New York, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: Other (Grant), $830,000, August 2023
• Founded year: 1927
• Headcount: 1001-5000
• LinkedIn: miabito-energy-products

Mirabito Energy Products, based in Binghamton, New York, is a family-owned energy provider that has been serving customers since 1927. The company specializes in a variety of energy solutions, including home heating fuel delivery, HVAC services, and convenience store products. Mirabito caters to both residential and commercial clients, ensuring reliable energy solutions across multiple states, including New York, Connecticut, Massachusetts, Vermont, and Pennsylvania. A significant aspect of their operations is the provision of commercial power and natural gas, which underscores their role in the natural gas industry. Recently, they received funding amounting to $830,400 in August 2023, indicating ongoing investment in their services and infrastructure. Mirabito's commitment to customer service and energy reliability has made them a trusted name in the energy sector for nearly a century.

3. Rev Lng, LLC

• Website: revlng.com
• Ownership type: Private
• Headquarters: Victor, New York, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2012
• Headcount: 51-200
• LinkedIn: rev-lng-llc

Rev Lng, LLC, based in Victor, New York, is a private company founded in 2012 that specializes in renewable energy project development and mobile energy services. The firm focuses on Liquefied Natural Gas (LNG), Compressed Natural Gas (CNG), and Renewable Natural Gas (RNG) solutions. With a workforce of approximately 53 employees, Rev Lng has carved out a niche in providing tailored energy services to various sectors, including utilities and agriculture. Their operations include innovative mobile energy services and the development of renewable natural gas projects, particularly in the dairy industry. Rev Lng has established a solid track record, having successfully operated LNG and CNG solutions across multiple states and even into Canada. The company has been recognized for its efforts in utilizing clean fuels, receiving awards from the State of Pennsylvania and accolades from the American Biogas Council for its projects. Their strategic partnerships and commitment to reducing carbon footprints further enhance their profile in the natural gas sector.

4. Approved Oil Company

• Website: approvedoil.com
• Ownership type: Family Owned
• Headquarters: Brooklyn, New York, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1932
• Headcount: 51-200
• LinkedIn: approved-oil

Approved Oil Company, established in 1932 and based in Brooklyn, New York, is a family-owned energy supplier that caters to both residential and commercial customers. The company specializes in fuel oil delivery, natural gas services, and electricity services, primarily serving the New York City area. Approved Oil emphasizes energy efficiency and reliability, offering maintenance and consulting services designed to enhance customer comfort and reduce energy costs. Their offerings include oil-to-gas conversions, which facilitate the transition from oil heating systems to natural gas, showcasing their involvement in the natural gas sector. Additionally, they provide energy auditing and consulting solutions to help businesses optimize their energy usage. With a workforce of approximately 77 employees, Approved Oil maintains a strong local presence and has built a reputation for customer service and reliability in energy supply.

5. Liberty Utilities

• Website: stlawrencegas.com
• Ownership type: Corporate
• Headquarters: Massena, New York, United States (USA)
• Latest funding: November 2019
• Founded year: 1957
• Headcount: 11-50
• LinkedIn: enbridge-st-lawrence-gas

Liberty Utilities, founded in 1957, is a corporate entity based in Massena, New York, specializing in the distribution of natural gas. The company serves both residential and commercial customers, ensuring they have access to essential gas services for heating, cooking, and other applications. Liberty Utilities has installed over 572 miles of gas mains and service lines within a service territory of approximately 785 miles. They prioritize safety and energy efficiency, offering various programs and rebates to promote smart energy use. Their customer service approach includes multiple payment options and assistance programs, reflecting their commitment to community support and customer satisfaction. Liberty Utilities operates under regulatory oversight, ensuring compliance with safety and service standards in the natural gas industry.

6. Glenfarne Group, LLC

• Website: glenfarnegroup.com
• Ownership type: Private
• Headquarters: New York, New York, United States (USA)
• Employee distribution: United States (USA) 92%, Colombia 8%
• Founded year: 2011
• Headcount: 11-50
• LinkedIn: glenfarne-group-llc

Glenfarne Group, LLC, founded in 2011 and based in New York City and Houston, is an energy infrastructure developer with a focus on renewable energy and natural gas solutions. The company operates globally, managing a portfolio that includes significant investments in energy transition projects. Glenfarne Group is not just a capital investor; it provides strategic, technical, and operational expertise to its assets. Its subsidiaries, particularly Alder Midstream, are pivotal in the natural gas sector, focusing on the development and operation of LNG export facilities. The company has established a strong presence in North and South America, with projects like Texas LNG, which aims to create one of the cleanest LNG facilities in the world. Glenfarne Group's commitment to addressing the global energy transition through its natural gas initiatives positions it as a relevant player in the industry.

7. Kiwi Energy

• Website: kiwienergy.us
• Ownership type: Corporate
• Headquarters: New York, New York, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: August 2015
• Founded year: 2008
• Headcount: 11-50
• LinkedIn: kiwi-energy

Kiwi Energy is an energy supplier based in New York, established in 2008. The company provides electricity and natural gas services to both residential and commercial customers in New York and Ohio. Kiwi Energy emphasizes environmentally friendly energy solutions, aiming to reduce carbon footprints and promote sustainability. They offer various plans tailored to customer needs, including home protection services and a rewards program that incentivizes energy efficiency. The company also supports environmentally focused projects through its Kiwi Energy Environmental Fund, contributing to initiatives for every new customer acquired. With a small team of around 22 employees, Kiwi Energy operates primarily in deregulated energy markets, allowing customers to choose their energy supplier while still relying on local utilities for delivery.

8. Kimmeridge

• Website: kimmeridge.com
• Ownership type: Private
• Headquarters: New York, New York, United States (USA)
• Employee distribution: United States (USA) 98%, Other 2%
• Latest funding: April 2025
• Founded year: 2012
• Headcount: 51-200
• LinkedIn: kimmeridge

Kimmeridge is an investment management firm based in New York, founded in 2012. The company specializes in the energy sector, focusing on both private and public investments in oil and gas assets, carbon solutions, and sustainable energy practices. With a team of over 80 investment and operations professionals, Kimmeridge has raised more than $5.5 billion in limited partner commitments since its inception. They manage a significant portfolio, including nearly 250,000 net acres across high-quality North American basins. Kimmeridge Texas Gas, a subsidiary, is particularly focused on producing natural gas in South Texas, leveraging its proximity to the Gulf Coast for access to global markets. The firm emphasizes integrating sustainability into its investment strategies, aiming to enhance portfolio value while navigating the transition to more environmentally responsible energy operations.

9. NOCO Energy Corp.

• Website: noco.com
• Ownership type: Family Owned
• Headquarters: Tonawanda, New York, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: Other (Grant), $171,000, March 2002
• Founded year: 1933
• Headcount: 201-500
• LinkedIn: noco-energy-corp-

NOCO Energy Corp., founded in 1933 and based in Tonawanda, New York, is a family-owned energy services company that provides a variety of solutions for heating, cooling, and fuel services. The company caters to both residential and commercial customers across New York State, focusing on energy efficiency and sustainability. NOCO offers products including propane, heating oil, and HVAC systems, and importantly, it provides natural gas and electric services. This positions NOCO as a significant player in the energy sector, particularly in the natural gas market. The company is committed to meeting the energy needs of various sectors while promoting environmentally friendly practices. With a workforce of around 164 employees, NOCO continues to adapt and expand its services, including recent acquisitions to enhance its environmental offerings.

10. Corning Natural Gas Corp.

• Website: corninggas.com
• Ownership type: Private Equity
• Headquarters: Corning, New York, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: July 2022
• Founded year: 1904
• Headcount: 51-200
• LinkedIn: corning-natural-gas-corp-

Corning Natural Gas Corp. is a private equity-owned utility company based in Corning, New York. Established in 1904, it has evolved from its origins as Crystal City Gas Company to become a key player in natural gas distribution. The company provides natural gas services to residential, commercial, and industrial customers, focusing on reliable service and customer support. With approximately 425 miles of gas pipeline, Corning Natural Gas transports around 8 billion cubic feet of natural gas annually. It operates in a competitive environment, working alongside other utilities and local gas producers. The company also emphasizes energy efficiency and offers various customer assistance programs to help users manage their energy consumption effectively. Corning Natural Gas is committed to safety and customer satisfaction, maintaining a high customer satisfaction rating of over 92%.

11. Aggressive Energy

• Website: aggressiveenergy.com
• Ownership type: Private
• Headquarters: New York, New York, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2009
• Headcount: 51-200
• LinkedIn: aggressive-energy

Aggressive Energy, established in 2009 and headquartered in New York, is an energy supplier and consulting firm that provides natural gas and electricity services to businesses across multiple states, including New York, New Jersey, Pennsylvania, Illinois, Maryland, and Ohio. The company prides itself on its customer-centric approach, offering tailored energy solutions that help clients navigate the complexities of energy markets and regulatory compliance. With a team of experienced professionals, Aggressive Energy focuses on delivering reliable service and value-added offerings, such as risk management and energy efficiency strategies. They are an approved market participant with NYISO and PJM, supplying natural gas to various utility companies. Their commitment to helping clients manage energy costs and comply with local regulations underscores their active role in the natural gas industry.

12. SFE Energy

• Website: sfeenergy.com
• Ownership type: Family Owned
• Headquarters: Buffalo, New York, United States (USA)
• Employee distribution: United States (USA) 90%, Canada 10%
• Founded year: 2006
• Headcount: 51-200
• LinkedIn: sfe-energy

SFE Energy, founded in 2006 and based in Buffalo, New York, is a family-owned energy supplier that specializes in providing electricity and natural gas services to both residential and commercial customers. The company operates across several states in the U.S. and has a small presence in Canada, focusing on delivering fixed-rate energy plans that help customers manage their energy costs predictably. SFE Energy's approach emphasizes customer support and satisfaction, ensuring that clients can enjoy stable energy prices without the worry of fluctuating market rates. They are licensed to sell natural gas and electricity, and they work closely with local utilities to ensure reliable service delivery. SFE Energy also promotes eco-friendly practices, partnering with organizations to plant trees for each customer, reflecting their commitment to sustainability in the energy sector.

13. Fortistar Methane Group

• Website: fortistar.com
• Ownership type: Private
• Headquarters: White Plains, New York, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1993
• Headcount: 201-500
• LinkedIn: fortistar-methane-group

Fortistar Methane Group, founded in 1993 and based in White Plains, New York, is a private investment firm that focuses on sustainability and renewable energy solutions. The company provides capital to develop and manage projects that address complex sustainability challenges, particularly in the energy sector. Fortistar has raised over $3.5 billion for various initiatives, with a significant emphasis on renewable natural gas (RNG) production. Their portfolio includes projects that capture methane emissions from landfills, converting this waste into a viable energy source. Recently, Fortistar merged its operations with TruStar Energy to create OPAL Fuels, a company dedicated to the production and distribution of RNG for the transportation sector. This merger positions Fortistar Methane Group as a key player in the transition to cleaner energy, focusing on reducing the carbon footprint of heavy-duty transportation through innovative fuel solutions.

14. Major Energy Services

• Website: majorenergy.com
• Ownership type: Private
• Headquarters: Orangeburg, New York, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2005
• Headcount: 51-200
• LinkedIn: major-energy-services

Major Energy Services, founded in 2005 and based in Orangeburg, New York, is a private energy provider that specializes in offering electricity and natural gas services. The company caters to both residential and commercial customers across nine states, including Connecticut, New York, and Pennsylvania. Major Energy focuses on providing competitive rates and fixed-rate plans, ensuring a reliable energy supply. They also offer rebate incentives to attract and retain customers. With a commitment to customer service, Major Energy emphasizes ease of switching energy suppliers and provides support throughout the process. Their operations are supported by a customer-centric approach, as evidenced by positive customer reviews highlighting their competitive pricing and responsive service.

15. Family Energy

• Website: yourfamilyenergy.com
• Ownership type: Family Owned
• Headquarters: Buffalo, New York, United States (USA)
• Employee distribution: United States (USA) 76%, Canada 24%
• Founded year: 2009
• Headcount: 51-200
• LinkedIn: family-energy

Family Energy, founded in 2009 and based in Buffalo, New York, is a family-owned energy service company that specializes in providing natural gas and electricity to residential and business customers throughout New York State. The company prides itself on offering competitive pricing and fixed-rate plans, which help customers manage their energy expenses effectively. Family Energy operates independently from local utilities, ensuring a reliable energy supply while maintaining a strong focus on customer support. They offer various energy programs, including options for green electricity, and emphasize the importance of customer education through resources like 'Energy 101'. With a dedicated team of approximately 42 employees, Family Energy aims to treat its customers like family, fostering a sense of community and trust in their services.

16. Poten & Partners

• Website: poten.com
• Ownership type: Corporate
• Headquarters: New York, New York, United States (USA)
• Employee distribution: United Kingdom (UK) 41%, United States (USA) 34%, Singapore 10%, Other 15%
• Latest funding: November 2018
• Founded year: 1962
• Headcount: 51-200
• LinkedIn: poten-%26-partners

Poten & Partners, founded in 1962 and headquartered in New York, is a consulting and brokerage firm that specializes in the energy and ocean transportation sectors. With a workforce of approximately 197 employees, the company operates globally, with offices in key locations such as Houston, London, Singapore, and Dubai. Poten provides a wide array of services, including market intelligence, ship brokerage, and consulting specifically tailored for the LNG and LPG markets. Their expertise extends to advising oil and gas producers, midstream operators, and financial institutions, helping them enhance their business strategies through informed decision-making. Poten's offerings include detailed market reports, training programs, and a comprehensive LNGas Database, which provides critical data on LNG projects, trade, and shipping. This extensive involvement in the natural gas sector positions Poten as a valuable resource for stakeholders in the industry.

17. Central Hudson

• Website: centralhudson.com
• Ownership type: Private
• Headquarters: Poughkeepsie, New York, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1900
• Headcount: 501-1000
• LinkedIn: centralhudson

Central Hudson Gas & Electric Corp., founded in 1900 and based in Poughkeepsie, New York, operates as a utility company providing electricity and natural gas services to residential and business customers. The company is committed to helping customers manage their energy consumption and costs through various energy efficiency programs and incentives. Central Hudson actively promotes natural gas as a reliable and efficient heating source, offering rebates and incentives for natural gas heating appliances. Their initiatives include a natural gas finder tool to assist customers in accessing natural gas services and a focus on energy efficiency, which reflects their engagement in the natural gas industry. Central Hudson is a private company with a workforce of approximately 706 employees, and it operates solely within the United States.

18. IDT Energy

• Website: idtenergy.com
• Ownership type: Private
• Headquarters: Jamestown, New York, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2004
• Headcount: 51-200
• LinkedIn: idt-energy

IDT Energy, founded in 2004 and based in Jamestown, New York, operates as a retail energy supplier. The company provides electricity and natural gas services to residential and small business customers across several deregulated states, including New York, New Jersey, Pennsylvania, Maryland, Illinois, Ohio, and Washington D.C. IDT Energy offers a variety of energy supply programs, including fixed and variable rate plans, as well as green energy options that allow customers to choose renewable energy sources. They also provide additional services such as home automation and security solutions. IDT Energy is a wholly owned subsidiary of Genie Energy, Ltd., which is publicly traded. The company has not reported any recent funding, indicating it operates independently within its established framework.

19. Marathon Energy

• Website: mecny.com
• Ownership type: Private
• Headquarters: Queens, New York, United States (USA)
• Founded year: 1996
• Headcount: 51-200
• LinkedIn: marathon-energy-corporation

Marathon Energy, known as Energo, is an energy solutions provider based in Queens, New York. Founded in 1996, the company has grown to serve a variety of clients in the New York City metro area, offering services that include heating oil, natural gas, electricity, and HVAC solutions. Energo caters to both residential and commercial customers, ensuring they have access to reliable energy supplies and maintenance services. The company emphasizes compliance with local regulations and energy efficiency, providing tailored solutions to optimize energy usage and reduce costs. Energo's involvement in the natural gas market includes offering natural gas services with NYMEX settlement pricing, indicating their engagement in the broader energy market. Their commitment to customer service and energy efficiency further enhances their position in the energy sector.

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