Renewable natural gas (RNG) companies work at the intersection of energy, sustainability, and environmental stewardship. They convert organic waste into clean gases used for heating, electricity generation, and transportation fuel. These companies capture methane emissions from landfills, farms, and wastewater plants, transforming a potent greenhouse gas into valuable energy. As global demand for cleaner fuels rises, this sector is expanding rapidly, driving investment in innovative technologies and infrastructure. With increasing regulatory support and heightened awareness of climate change, the RNG industry is expected to play a critical role in the transition to a low-carbon economy.

The companies in this list vary in size and expertise, featuring firms from the U.S., Europe, and Australia. They range from small startups like Pine Creek to larger entities like Énergir, employing between 11 to over 10,000 people. Founded between 1976 and 2019, their specializations include biogas production, methane capture, and renewable energy solutions. The diversity in their origins and focus areas illustrates the multifaceted approach required to address sustainability challenges in today's energy landscape.

Continue reading to discover the top renewable natural gas companies.

Top 24 Renewable Natural Gas Companies

1. 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 dedicated to addressing sustainability challenges through strategic capital deployment. The company specializes in the energy, transportation, and industrial sectors, with a particular emphasis on renewable energy solutions. Fortistar has invested over $3.5 billion in various projects, including those focused on renewable natural gas. A notable aspect of its operations is the merger of Fortistar Methane Group with TruStar Energy, which resulted in the formation of OPAL Fuels. This entity is committed to producing and distributing renewable natural gas, particularly for heavy-duty transportation, thereby contributing to the decarbonization of the transportation industry. Fortistar's portfolio includes multiple facilities that capture landfill methane, transforming it into a sustainable fuel source, which underscores its active participation in the renewable natural gas sector.

2. Gasum

• Website: gasum.com
• Ownership type: Private
• Headquarters: Espoo, Uusimaa, Finland
• Employee distribution: Finland 50%, Sweden 30%, Norway 18%, Other 1%
• Latest funding: Other (Debt), $189.2M, June 2024
• Founded year: 1994
• Headcount: 201-500
• LinkedIn: gasum

Gasum Oy, founded in 1994 and based in Espoo, Finland, is a private energy company that specializes in natural gas and renewable energy solutions. With a workforce of approximately 346 employees, Gasum plays a pivotal role in the Nordic energy market. The company provides cleaner energy options for various sectors, including industrial, road, and maritime transport. Gasum operates several biogas plants in Finland and Sweden, focusing on the production of biogas from biodegradable waste, wastewater, and agricultural manure. Their commitment to sustainability is reflected in their ambitious goal to supply 7 TWh of renewable gas annually by 2027. Gasum also offers services related to energy market optimization and portfolio management, further solidifying its position in the energy sector. Recently, the company secured funding of approximately €189 million, indicating strong investor confidence in its growth and sustainability initiatives.

3. Amp Americas

• Website: ampamericas.com
• Ownership type: Corporate
• Headquarters: Chicago, Illinois, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: $41.0M, June 2019
• Founded year: 2011
• Headcount: 51-200
• LinkedIn: amp-americas

Amp Americas is a renewable energy company based in Chicago, Illinois, founded in 2011. The firm specializes in the development and operation of renewable natural gas (RNG) facilities, primarily collaborating with dairy farmers to convert waste into energy. This innovative approach not only provides sustainable fuel solutions for transportation fleets but also addresses environmental concerns by reducing greenhouse gas emissions. Amp Americas has established itself as a key player in the RNG industry, managing several large-scale projects that process waste from thousands of cows. Their services extend beyond facility development to include asset management, environmental credit trading, and regulatory compliance, ensuring that their operations meet stringent environmental standards. The company has achieved notable milestones, such as being awarded the first dairy RNG pathway under California's Low Carbon Fuel Standard, highlighting their leadership in the sector. With a workforce of around 71 employees, Amp Americas is committed to accelerating the transition to renewable fuels and improving air quality across the United States.

4. Edl

• Website: edlenergy.com
• Ownership type: Private
• Headquarters: Brisbane, Queensland, Australia
• Employee distribution: Australia 67%, United States (USA) 26%, United Kingdom (UK) 6%, Other 2%
• Latest funding: Other (Grant), $17.4M, July 2014
• Founded year: 1988
• Headcount: 501-1000
• LinkedIn: edl

EDL, based in Brisbane, Queensland, Australia, is an energy company that specializes in sustainable distributed energy solutions. Founded in 1988, EDL operates a global portfolio of power stations and energy facilities, focusing on renewable energy generation, gas management, and hybrid technologies. The company serves a range of customers, primarily in the mining and energy sectors, helping them transition to cleaner energy sources and reduce emissions. EDL has pioneered the landfill gas energy sector in Australia and continues to innovate in the conversion of landfill gas to renewable natural gas (RNG). Their operations extend across Australia, North America, and Europe, showcasing their commitment to providing tailored energy solutions that meet the unique needs of their clients. EDL's recent projects include the operation of a renewable natural gas plant in Ohio, USA, further solidifying their position in the RNG market.

5. Bioenergy Devco

• Website: bioenergydevco.com
• Ownership type: Private Equity
• Headquarters: Annapolis, Maryland, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: $30.0M, March 2023
• Founded year: 2016
• Headcount: 51-200
• LinkedIn: bioenergydevco

Bioenergy Devco, founded in 2016 and based in Annapolis, Maryland, is a private equity-backed company that specializes in renewable energy through anaerobic digestion technology. The firm focuses on converting food waste into renewable natural gas (RNG) and nutrient-rich soil amendments, catering to municipalities, companies, and utilities. With a global footprint of over 250 facilities, Bioenergy Devco is committed to sustainable waste management solutions that help clients achieve environmental goals and reduce greenhouse gas emissions. Their innovative approach not only addresses the challenges of organic waste disposal but also contributes to the creation of clean energy. The company has recently secured $30 million in funding, reflecting its growth trajectory and the increasing relevance of its services in the renewable energy market.

6. Nature Energy

• Website: nature-energy.com
• Ownership type: Corporate
• Headquarters: Odense, Denmark
• Employee distribution: Denmark 92%, France 3%, Other 5%
• Latest funding: March 2018
• Founded year: 1979
• Headcount: 201-500
• LinkedIn: natureenergy

Nature Energy, based in Odense, Denmark, is a corporate entity founded in 1979 that specializes in biogas production. The company transforms agricultural and industrial waste into green, CO2-neutral biogas, serving local farmers, businesses, and municipalities. With a workforce of approximately 459 employees, Nature Energy operates 13 biogas plants in Denmark, along with additional facilities in the Netherlands and France. They are actively involved in the green transition, processing over 5.1 million tonnes of biomass annually, which results in the production of more than 207 million cubic meters of biogas. This biogas can be utilized for heating homes and powering vehicles, significantly contributing to CO2 reduction. Nature Energy's business model focuses on building, owning, and operating biogas plants, ensuring that they are integrated into local communities while minimizing environmental impact. Their ongoing investments in research and development aim to enhance biogas production efficiency and explore new biomass sources for future energy solutions.

7. Énergir

• Website: energir.com
• Ownership type: Private
• Headquarters: Montreal, Quebec, Canada
• Employee distribution: Canada 100%
• Latest funding: $425.9M, September 2024
• Founded year: 1957
• Headcount: 1001-5000
• LinkedIn: %c3%a9nergir

Énergir, based in Montreal, Quebec, is a private energy company founded in 1957. It specializes in the distribution of natural gas and the production of electricity, serving a wide range of residential, commercial, and industrial customers across Quebec and parts of the northeastern United States. The company is dedicated to enhancing energy efficiency and providing renewable energy solutions. Énergir has made significant strides in the renewable natural gas sector, focusing on converting organic materials, such as food waste, into energy. This initiative is part of their broader commitment to reducing their environmental impact and helping customers optimize energy consumption. Recently, they secured funding of approximately $425 million, which underscores their ongoing investment in sustainable energy projects and infrastructure.

8. Pine Creek

• Website: pinecreek.com
• Ownership type: Private
• Headquarters: St. Petersburg, Florida, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2019
• Headcount: 11-50
• LinkedIn: pine-creek

Pine Creek Renewables, based in St. Petersburg, Florida, is a private company founded in 2019 that specializes in renewable energy solutions, particularly in the production of Renewable Natural Gas (RNG). The company operates by capturing methane from landfills and digesters, transforming it into RNG that can be injected into natural gas pipelines. Pine Creek is involved in the entire RNG value chain, from production to the construction and management of fueling stations. They also focus on providing clean fuels for transportation and engineering hybrid power systems for remote sites. Their operations are designed to support utility companies and fleet operators in transitioning to lower-emission fuels, thereby contributing to climate change mitigation efforts. Pine Creek's commitment to innovation is evident in their use of advanced technologies for biogas optimization and their development of a tracking system for RNG production verification.

9. Future Biogas

• Website: futurebiogas.com
• Ownership type: Private
• Headquarters: Guildford, England, United Kingdom (UK)
• Employee distribution: United Kingdom (UK) 98%, Ukraine 2%
• Latest funding: January 2016
• Founded year: 2010
• Headcount: 51-200
• LinkedIn: future-biogas-ltd

Future Biogas is a private renewable energy company based in Guildford, England, established in 2010. The company specializes in the production of biomethane through anaerobic digestion, providing solutions that help businesses and farmers reduce carbon emissions and transition to sustainable practices. With a workforce of approximately 145 employees, Future Biogas operates twelve anaerobic digestion plants across the UK, generating over 500 GWh of biomethane annually. Their operations not only contribute to the decarbonization of energy but also support sustainable agriculture by partnering with local farmers to grow energy crops. Future Biogas is also involved in carbon capture initiatives, enhancing their role in the renewable energy landscape. Their Project Carbon Harvest aims to develop a new generation of unsubsidized anaerobic digestion plants, further demonstrating their commitment to innovation and sustainability in the industry.

10. Certarus Ltd.

• Website: certarus.com
• Ownership type: Corporate
• Headquarters: Calgary, Alberta, Canada
• Employee distribution: United States (USA) 50%, Canada 50%
• Latest funding: Other (Grant), $1.2M, April 2024
• Founded year: 2014
• Headcount: 501-1000
• LinkedIn: certarus-ltd.

Certarus Ltd., based in Calgary, Alberta, is an energy solutions provider that focuses on low carbon alternatives, including compressed natural gas (CNG), renewable natural gas (RNG), and hydrogen. Founded in 2014, the company has established itself as a key player in the energy sector, serving a variety of industrial and commercial customers. Certarus operates a mobile energy distribution model, which allows them to deliver RNG and other low carbon fuels without the need for extensive infrastructure. This flexibility is crucial for clients in remote locations or those looking to reduce their carbon footprint. The company has also received funding, with a recent grant of $1.2 million in April 2024, which supports their initiatives in expanding their services and enhancing their technology. Certarus is committed to helping its customers achieve their environmental, social, and governance (ESG) goals by providing reliable and cost-effective energy solutions.

11. 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 alternative to traditional fossil fuels, particularly for heavy-duty transportation. Their services extend beyond RNG production; they also develop fueling infrastructure and manage projects aimed at helping clients achieve their greenhouse gas reduction targets. With a workforce of approximately 53 employees, the company has established a robust presence in the RNG market, emphasizing cost-effective solutions that facilitate the transition to low-carbon energy. TruStar Energy's commitment to sustainability and innovation positions it as a noteworthy entity in the renewable natural gas sector.

12. Trillium Energy Solutions

• Website: trilliumenergy.com
• Ownership type: Corporate
• Headquarters: Houston, Texas, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: February 2016
• Founded year: 1994
• Headcount: 201-500
• LinkedIn: trillium-cng

Trillium Energy Solutions, based in Houston, Texas, has been a player in the clean fuel sector since its founding in 1994. The company specializes in alternative energy solutions, catering primarily to fleet operators in transit, refuse, and goods movement sectors. Trillium offers a range of products, including Compressed Natural Gas (CNG), Renewable Natural Gas (RNG), EV Charging, Biodiesel, Renewable Diesel, and Hydrogen. Their customer-centered approach emphasizes operational efficiency and emission reduction, making them a valuable partner for businesses seeking sustainable fuel options. Trillium operates over 200 facilities across the United States, providing reliable access to clean fuels. Their recent partnerships to expand RNG offerings further demonstrate their commitment to this segment of the energy market.

13. South Jersey Industries

• Website: sjindustries.com
• Ownership type: Corporate
• Headquarters: Folsom, New Jersey, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: February 2022
• Founded year: 1910
• Headcount: 1001-5000
• LinkedIn: south-jersey-industries

South Jersey Industries (SJI) is an energy infrastructure holding company based in Folsom, New Jersey. Founded in 1910, SJI provides natural gas distribution and renewable energy solutions to over 700,000 residential, commercial, and industrial customers through its subsidiaries, including South Jersey Gas and Elizabethtown Gas. The company emphasizes safety, reliability, and sustainability in its operations. A key component of SJI's strategy is its non-utility subsidiary, SJI Renewable Energy Ventures, which specializes in the ownership, development, construction, and operation of renewable energy projects. This includes a focus on renewable natural gas (RNG), which is produced from feedstocks like dairy manure and organic waste. SJI's commitment to advancing sustainable energy solutions is evident in its robust portfolio of renewable projects and its goal to achieve significant decarbonization by 2040.

14. Agra Energy Corporation

• Website: agraenergy.com
• Ownership type: Private
• Headquarters: Irvine, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2017
• Headcount: 11-50
• LinkedIn: agraenergy

Agra Energy Corporation, founded in 2017 and based in Irvine, California, is a private renewable energy company that specializes in converting dairy waste into renewable fuels. The company partners with dairy farms to transform methane and CO2 emissions into AGRA SYNTHETIC FUEL (ASF™), which includes renewable diesel and jet fuel. Their innovative Micro-GTL (gas-to-liquids) technology allows for the efficient conversion of solid animal waste into usable fuel products, addressing both environmental concerns and economic challenges faced by agricultural partners. Agra Energy's approach not only reduces greenhouse gas emissions but also mitigates issues such as water pollution and unpleasant odors associated with dairy farming. The company aims to expand its technology to other manure-intensive operations, indicating a strategic vision for growth in the renewable energy sector.

15. Eni Gas & Power nv/sa

• Website: eni.be
• Ownership type: Private
• Headquarters: Vilvoorde, Flanders, Belgium
• Founded year: 2001
• Headcount: 10001+
• LinkedIn: eni-gas-%26-power-nv-sa

Eni Gas & Power nv/sa, based in Vilvoorde, Belgium, is a private energy company founded in 2001. It operates under the umbrella of Eni, a global energy firm that provides a range of sustainable energy solutions, including oil, gas, renewable energy, and biofuels. Eni is committed to facilitating the energy transition and achieving carbon neutrality by 2050. The company emphasizes innovation and partnerships to enhance its offerings. Eni's operations extend across various energy sectors, and they are involved in developing technologies for renewable energy, including biofuels and carbon capture. Their strategic initiatives aim to diversify energy sources while addressing environmental concerns, making them a notable entity in the energy sector.

16. Morrow Energy

• Website: morrowenergy.com
• Ownership type: Private
• Headquarters: Midland, Texas, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2011
• Headcount: 51-200
• LinkedIn: morrowenergy

Morrow Energy, founded in 2011 and based in Midland, Texas, is a private company that specializes in renewable energy, particularly in renewable natural gas (RNG) treatment systems. The company designs, builds, and operates facilities that convert landfill gas into clean energy, serving clients in both the waste management and renewable energy sectors. Morrow Energy has a strong focus on gas processing and treatment, which is critical for ensuring the efficiency and effectiveness of RNG production. Their commitment to sustainability is evident in their operational practices and community involvement, including partnerships with educational institutions to foster the next generation of engineers. Morrow Energy has successfully completed numerous RNG projects, demonstrating their capability and expertise in the field.

17. Gasrec

• Website: gasrec.co.uk
• Ownership type: Family Owned
• Headquarters: Daventry, England, United Kingdom (UK)
• Employee distribution: United Kingdom (UK) 100%
• Latest funding: December 2021
• Founded year: 2003
• Headcount: 51-200
• LinkedIn: gasrec

Gasrec, founded in 2003 and based in Daventry, England, is a family-owned company that specializes in renewable gas fuels for the transport sector. The company provides Bio-LNG and Bio-CNG, which are derived from waste materials, to help fleets significantly reduce their emissions—by approximately 80% compared to diesel. Gasrec operates a growing network of refueling stations across the UK, including the largest LNG refueling station in Europe, located at the Daventry International Rail Freight Terminal. Their services extend beyond fuel supply; they offer logistics coordination, driver training, and a dedicated support team to ensure reliable operations for their customers. Gasrec's partnership with BP, which holds a significant stake in the company, allows them to secure long-term supply agreements, further solidifying their position in the market. The company is actively involved in initiatives aimed at decarbonizing transport and promoting the use of renewable fuels, making them a notable player in the renewable natural gas industry.

18. Gas Networks Ireland

• Website: gasnetworks.ie
• Ownership type: Corporate
• Headquarters: Cork, Cork, Ireland
• Employee distribution: Ireland 99%
• Latest funding: $434.0M, November 2021
• Founded year: 1976
• Headcount: 501-1000
• LinkedIn: gas-networks-ireland

Gas Networks Ireland, based in Cork, Ireland, is a corporate entity that operates the national gas network, ensuring a safe and reliable energy supply for approximately 725,000 customers. Founded in 1976, the company has evolved to focus on the distribution of natural gas while also promoting renewable energy solutions, particularly biomethane and green hydrogen. Their efforts are geared towards supporting Ireland's transition to a net-zero energy system by 2050. Gas Networks Ireland is involved in various projects aimed at decarbonizing the gas network, including the implementation of the National Biomethane Strategy and the establishment of BioCNG refueling stations. They also issue renewable gas certificates to producers, enhancing market trust in sustainable gas production. With a workforce of around 597 employees, the company is committed to innovation and sustainability in the energy sector.

19. Xergi

• Website: xergi.com
• Ownership type: Corporate
• Headquarters: Denmark
• Employee distribution: Denmark 100%
• Latest funding: November 2018
• Founded year: 1985
• Headcount: 51-200
• LinkedIn: xergi

Xergi, based in Denmark, is a biogas producer that focuses on renewable energy solutions. Founded in 1985, the company specializes in converting agricultural and industrial waste into green, CO2-neutral biogas. Xergi operates several biogas plants, primarily in Denmark, and is expanding its reach internationally. The company emphasizes sustainability and community engagement, working closely with local farmers and businesses to create a circular economy. Their operations not only help reduce waste but also contribute to significant CO2 reductions. Xergi's innovative approach and commitment to research and development position them as a notable player in the renewable natural gas sector.

20. 100Green

• Website: greenenergyuk.com
• Ownership type: Private Equity
• Headquarters: Ware, England, United Kingdom (UK)
• Employee distribution: United Kingdom (UK) 100%
• Latest funding: January 2016
• Founded year: 2001
• Headcount: 11-50
• LinkedIn: green-energy-uk

100Green, also known as Green Energy UK, is an energy supplier based in Ware, England, that has been operational since 2001. The company focuses on renewable energy solutions, offering 100% green gas to both residential and commercial customers. They provide export tariffs for home energy generation, allowing customers to sell excess energy back to the grid. This initiative not only supports individual energy savings but also promotes the use of renewable sources. 100Green has positioned itself as a pioneer in the green gas market, being the first supplier in the UK to offer 100% green gas. Their efforts contribute to the decarbonization of the energy sector, aligning with national goals for sustainability. The company has not reported any recent funding, indicating a stable operational model since its last funding round in 2016.

21. Flogas Enterprise

• Website: flogasenterprise.ie
• Ownership type: Private
• Headquarters: Dublin, Dublin, Ireland
• Founded year: 2003
• Headcount: 5001-10000
• LinkedIn: naturgy-ireland

Flogas Enterprise, founded in 2003 and based in Dublin, Ireland, is a private energy supplier that specializes in natural gas, biomethane, and renewable electricity. The company serves large industrial and commercial clients, providing them with tailored sustainability services aimed at improving energy efficiency and reducing carbon emissions. Flogas Enterprise has been instrumental in the development of renewable energy in Ireland, notably becoming the first shipper of renewable gas into the Irish gas grid in 2021. Their offerings include biomethane, which is generated through the anaerobic digestion of organic matter, and they are actively involved in projects that support the transition from traditional fossil fuels to renewable energy sources. The company is part of DCC Energy, which enhances its operational capabilities and market reach.

22. Vision RNG

• Website: visionrng.com
• Ownership type: Private
• Headquarters: Canonsburg, Pennsylvania, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: Other (Debt), $207.0M, October 2024
• Founded year: 2021
• Headcount: 11-50
• LinkedIn: vision-rng

Vision RNG, founded in 2021 and based in Canonsburg, Pennsylvania, is a private clean energy company dedicated to transforming landfill gas into renewable natural gas (RNG). The company specializes in developing, constructing, and operating facilities that capture and process landfill gas, turning it into a sustainable energy source. Vision RNG partners with landfill owners to help them mitigate environmental impacts while creating new revenue streams through innovative gas capture and processing solutions. With a team that boasts decades of experience in project development, engineering, and landfill operations, Vision RNG has successfully executed numerous projects in the landfill gas sector. Recently, the company secured $207 million in funding, which underscores its potential for growth and expansion in the renewable energy market.

23. PlanET Biogastechnik GmbH

• Website: planet-biogas.com
• Ownership type: Corporate
• Headquarters: Gescher, North Rhine-Westphalia, Germany
• Employee distribution: Germany 95%, Brazil 2%, Poland 2%
• Latest funding: October 2017
• Founded year: 1998
• Headcount: 201-500
• LinkedIn: planet-biogastechnik-gmbh

PlanET Biogastechnik GmbH, founded in 1998 and based in Gescher, North Rhine-Westphalia, Germany, is a biogas solutions provider dedicated to producing renewable energy from organic waste. The company offers a comprehensive range of services, including the construction of biogas and biomethane plants, technical and biological services, and RePowering solutions. Their clientele primarily consists of businesses in agriculture and the food industry, which seek to enhance sustainability and energy efficiency. With a workforce of approximately 132 employees, PlanET has established itself as a significant player in the biogas sector, operating over 870 reference plants worldwide. Their commitment to sustainability is evident in their focus on climate protection and CO2 reduction, making them a proactive participant in the renewable energy landscape.

24. DMT Environmental Technology

• Website: dmt-et.com
• Ownership type: Corporate
• Headquarters: Joure, Friesland, Netherlands
• Employee distribution: Netherlands 96%, United States (USA) 2%, India 2%
• Latest funding: May 2021
• Founded year: 1987
• Headcount: 51-200
• LinkedIn: dmt-environmental-technology

DMT Environmental Technology, founded in 1987 and based in Joure, Friesland, Netherlands, is an environmental technology company that specializes in renewable gas solutions. The firm focuses on biogas upgrading and gas desulphurization, transforming waste into high-value biomethane for various sectors, including agriculture and wastewater treatment. DMT operates globally, with a strong presence in Europe, North America, and Asia, and has developed a reputation for its innovative membrane technology, which efficiently separates methane from carbon dioxide. The company has successfully implemented over 195 operational sites worldwide, showcasing its expertise in biogas conditioning and upgrading. DMT is committed to sustainability, aiming to create a cleaner future through its renewable gas solutions. Their service offerings include comprehensive support throughout the project lifecycle, ensuring optimal performance and reliability for their clients.

Renewable Natural Gas Insights: Key Companies

Company	Headquarter	Size	Founded	Ownership
Fortistar Methane Group	White Plains, New York, United States (USA)	201-500	1993	Private
Gasum	Espoo, Uusimaa, Finland	201-500	1994	Private
Amp Americas	Chicago, Illinois, United States (USA)	51-200	2011	Corporate
Edl	Brisbane, Queensland, Australia	501-1000	1988	Private
Bioenergy Devco	Annapolis, Maryland, United States (USA)	51-200	2016	Private Equity
Nature Energy	Odense, Denmark	201-500	1979	Corporate
Énergir	Montreal, Quebec, Canada	1001-5000	1957	Private
Pine Creek	St. Petersburg, Florida, United States (USA)	11-50	2019	Private
Future Biogas	Guildford, England, United Kingdom (UK)	51-200	2010	Private
Certarus Ltd.	Calgary, Alberta, Canada	501-1000	2014	Corporate
TruStar Energy	White Plains, New York, United States (USA)	51-200	2013	Private
Trillium Energy Solutions	Houston, Texas, United States (USA)	201-500	1994	Corporate
South Jersey Industries	Folsom, New Jersey, United States (USA)	1001-5000	1910	Corporate
Agra Energy Corporation	Irvine, California, United States (USA)	11-50	2017	Private
Eni Gas & Power nv/sa	Vilvoorde, Flanders, Belgium	10001+	2001	Private
Morrow Energy	Midland, Texas, United States (USA)	51-200	2011	Private
Gasrec	Daventry, England, United Kingdom (UK)	51-200	2003	Family Owned
Gas Networks Ireland	Cork, Cork, Ireland	501-1000	1976	Corporate
Xergi	Denmark	51-200	1985	Corporate
100Green	Ware, England, United Kingdom (UK)	11-50	2001	Private Equity
Flogas Enterprise	Dublin, Dublin, Ireland	5001-10000	2003	Private
Vision RNG	Canonsburg, Pennsylvania, United States (USA)	11-50	2021	Private
PlanET Biogastechnik GmbH	Gescher, North Rhine-Westphalia, Germany	201-500	1998	Corporate
DMT Environmental Technology	Joure, Friesland, Netherlands	51-200	1987	Corporate

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