The organic waste to energy industry transforms food scraps and animal waste into renewable energy, reducing landfill dependence. By employing technologies such as anaerobic digestion, these companies convert organic matter into biogas, benefiting both the environment and the energy grid. The sector is evolving, being fueled by growing concerns about climate change and waste management. Policymakers and consumers are increasingly in favor of sustainable practices, propelling demand for greener energy options. This transition aims not only to address waste disposal issues but to create a circular economy that maximizes resource use while minimizing environmental impacts.

In this sector, companies vary in size and specialization, showcasing their expertise through innovative waste management services. The firms in this list range from small-scale operations to larger corporate entities, all founded in the 2000s or earlier. Their headquarters spread across countries like the United States, United Kingdom, Denmark, and Italy, highlighting an expansive geographic reach. The companies work with various organic inputs, producing renewable energy, biofertilizers, and sustainable waste solutions, emphasizing a collective commitment to environmental stewardship and resource recovery.

Continue reading to discover the top organic waste to energy companies.

Top 22 Organic Waste to Energy Companies

1. 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 solutions through anaerobic digestion technology. The firm transforms food waste into renewable natural gas and nutrient-rich soil amendments, catering to municipalities, companies, and utilities. With a global footprint of over 250 facilities, Bioenergy Devco is actively involved in sustainable waste management, helping clients achieve environmental goals while reducing greenhouse gas emissions. The company has recently secured $30 million in funding, which underscores its growth potential and commitment to advancing its innovative waste-to-energy solutions. Their operations not only address the challenges of organic waste disposal but also contribute to the creation of clean energy and healthy soils, making them a significant player in the organic waste to energy sector.

2. Severn Trent Green Power

• Website: stgreenpower.co.uk
• Ownership type: Corporate
• Headquarters: Chipping Norton, England, United Kingdom (UK)
• Employee distribution: United Kingdom (UK) 98%, United States (USA) 2%
• Latest funding: June 2024
• Founded year: 2010
• Headcount: 51-200
• LinkedIn: severn-trent-green-power-limited

Severn Trent Green Power, based in Chipping Norton, England, is a waste management and renewable energy provider that has been operational since 2010. The company focuses on food waste recycling and composting, serving local authorities and businesses to manage organic waste sustainably. With a workforce of approximately 88 employees, they have established a robust network of facilities across the Midlands, South Wales, the South West, and the Home Counties. Severn Trent Green Power operates 11 anaerobic digestion facilities and four composting sites, collectively recycling around half a million tonnes of organic waste each year. This process not only helps reduce landfill waste but also generates renewable energy, producing 279 GWh annually, alongside nutrient-rich liquid bio-fertilizer and premium-grade compost products. Their commitment to sustainability is further demonstrated through their portfolio of renewable energy production facilities, which includes solar parks, wind turbines, and hydroelectric turbines. As part of the Severn Trent Plc family, they are dedicated to reducing carbon emissions and promoting environmental stewardship.

3. Bioforcetech Corporation

• Website: bioforcetech.com
• Ownership type: Private
• Headquarters: South San Francisco, California, United States (USA)
• Employee distribution: United States (USA) 70%, Italy 30%
• Founded year: 2012
• Headcount: 11-50
• LinkedIn: bioforcetech-corporation

Bioforcetech Corporation, founded in 2012 and based in South San Francisco, California, is a private company dedicated to transforming organic waste into renewable energy and biochar. With a team of around 20 employees, the company has developed automated systems that address the pressing issue of organic waste management. Their technology not only reduces the volume of waste but also minimizes environmental impact, making it an attractive solution for municipalities and organizations seeking sustainable waste management options. Bioforcetech's innovative approach includes the BioDryer, which efficiently dries biosolids and organic waste, and their proprietary process that converts these materials into valuable products. The company has garnered attention for its commitment to a zero waste future and has received investment from Waste Management, Inc., further validating its potential in the industry.

4. Biogen (UK) Ltd

• Website: biogen.co.uk
• Ownership type: Private Equity
• Headquarters: Bedford, England, United Kingdom (UK)
• Employee distribution: United Kingdom (UK) 100%
• Latest funding: $9.3M, July 2012
• Founded year: 2005
• Headcount: 51-200
• LinkedIn: biogen-uk-ltd

Biogen (UK) Ltd, founded in 2005 and based in Bedford, England, is a waste management company that specializes in food waste recycling and renewable energy generation through anaerobic digestion. The company operates nineteen anaerobic digestion plants throughout the UK, processing over half a million tonnes of organic waste each year. This process not only generates renewable electricity—enough to power a town for a year—but also produces nutrient-rich biofertilisers that are certified and sought after by farmers. Biogen serves a range of clients, including supermarkets, restaurants, and local authorities, providing tailored solutions for sustainable waste management. The company is committed to high environmental and safety standards, holding various certifications such as ISO 9001, 14001, and 45001. Their operations are strictly regulated, ensuring compliance with industry standards and environmental legislation. Biogen has also received significant funding, amounting to approximately £9.3 million in 2012, which has likely supported their growth and expansion in the organic waste sector.

5. Eco Sustainable Solutions Ltd

• Website: thisiseco.co.uk
• Ownership type: Private
• Headquarters: New Zealand
• Employee distribution: United Kingdom (UK) 100%
• Founded year: 1993
• Headcount: 51-200
• LinkedIn: eco-sustainainable-solutions

Eco Sustainable Solutions Ltd, founded in 1993, is a private recycling company based in the United Kingdom. The firm specializes in organic waste management and renewable energy production, offering a range of services that include food waste recycling, wood waste recycling, and the creation of high-quality compost and bio-fuels. With a workforce of approximately 35 employees, Eco Sustainable Solutions Ltd has established itself as a key player in the recycling industry. The company has successfully recycled over 4 million tonnes of organic material, significantly reducing carbon emissions and contributing to a more sustainable environment. Their operations include advanced anaerobic digestion facilities that convert food waste into renewable energy, showcasing their commitment to innovative waste solutions. Eco Sustainable Solutions Ltd serves a variety of clients, including businesses, local authorities, and households, all seeking effective and sustainable waste management options.

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 biogas producer that specializes in renewable energy solutions. Founded in 1979, the company has developed a strong presence in the organic waste to energy sector by converting agricultural and industrial waste into green, CO2-neutral biogas. They operate 13 biogas plants in Denmark, along with facilities in the Netherlands and France, and are actively pursuing new projects in North America and Europe. Nature Energy's business model focuses on building, owning, and operating biogas plants, which allows them to maintain control over the entire process from waste collection to energy production. Their commitment to sustainability is evident in their efforts to engage with local communities and minimize disturbances from their operations. The company processes millions of tonnes of biomass annually, significantly contributing to CO2 reduction and promoting a circular economy. Nature Energy is also investing in research to enhance biogas production technology and explore new biomass sources for future energy generation.

7. GENeco

• Website: geneco.uk.com
• Ownership type: Private
• Headquarters: Bristol, England, United Kingdom (UK)
• Employee distribution: United Kingdom (UK) 100%
• Founded year: 2008
• Headcount: 51-200
• LinkedIn: geneco

GENeco, founded in 2008 and based in Bristol, England, is a private waste management and renewable energy company. The firm specializes in sustainable solutions for food waste and other waste streams, serving clients that include supermarkets and local authorities. Their services include anaerobic digestion, which transforms organic waste into renewable energy in the form of biomethane, and the production of biofertiliser. GENeco operates a state-of-the-art anaerobic digestion facility in Avonmouth, where they process various types of food waste, including that from restaurants, supermarkets, and food manufacturers. The company has received recognition for its innovative approaches, such as the Bio-Bee service, which collects food waste and uses the resulting biogas to power the collection vehicles. This not only reduces waste but also promotes a circular economy. GENeco's efforts contribute significantly to environmental sustainability by minimizing landfill use and lowering carbon footprints.

8. quasar energy group

• Website: quasareg.com
• Ownership type: Private
• Headquarters: Cleveland, Ohio, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2006
• Headcount: 51-200
• LinkedIn: quasar-energy-group

Quasar Energy Group, founded in 2006 and based in Cleveland, Ohio, is a private renewable energy company that specializes in biomass management and anaerobic digestion systems. With a dedicated team of professionals, Quasar provides essential services to agricultural businesses and municipalities, helping them manage organic waste effectively while generating renewable energy. Their product offerings include digester design and build services, laboratory services for testing and analysis, nutrient services, and transportation services for organic materials. Quasar's innovative approach to waste management not only diverts materials from landfills but also produces sustainable fertilizers, contributing to environmental sustainability. The company is actively engaged in advancing the biogas industry, showcasing their expertise in the design, construction, and operation of anaerobic digestion systems across North America.

9. 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 operates as an all-in-one provider, offering a range of services that include the construction of biogas and biomethane plants, as well as technical and biological support services. Their clientele primarily consists of businesses in agriculture and the food industry, which seek to enhance sustainability and energy efficiency through effective waste management. With a workforce of approximately 132 employees, PlanET has established a significant presence in the biogas sector, evidenced by their extensive portfolio of over 870 reference plants worldwide. The company emphasizes sustainability and climate protection, actively working to reduce carbon footprints through innovative biogas solutions. Their services also include RePowering solutions, aimed at optimizing existing biogas plants for improved performance and efficiency. PlanET's commitment to research and development is reflected in their biological laboratory, where they analyze substrate samples to enhance biogas production.

10. Agraferm GmbH

• Website: agraferm.com
• Ownership type: Private
• Headquarters: Pfaffenhofen An Der Ilm, Bavaria, Germany
• Employee distribution: Germany 100%
• Founded year: 2004
• Headcount: 11-50
• LinkedIn: agraferm

Agraferm GmbH, based in Pfaffenhofen An Der Ilm, Bavaria, Germany, is a private company founded in 2004. It specializes in biogas technology and renewable energy solutions, focusing on the design and construction of biogas plants and biomethane processing systems. The company serves clients in the renewable energy and waste management sectors, providing a range of services that include technical and biological support, maintenance, and training to ensure efficient operations. Agraferm has established itself as a significant player in the industry, particularly in the construction of agricultural and industrial biogas plants. They have a strategic partnership with BTA International GmbH, which enhances their capabilities in processing organic waste. With a workforce of around 24 employees, Agraferm has successfully implemented over 100 projects across 20 countries, showcasing their expertise and commitment to advancing biogas technology.

11. SARIA France

• Website: recrutement.saria.fr
• Ownership type: Private
• Headquarters: Worcester, England, United Kingdom (UK)
• Employee distribution: France 95%, Other 5%
• Founded year: 1919
• Headcount: 1001-5000
• LinkedIn: saria-industries

SARIA France is a private waste management and environmental services company founded in 1919, with a significant presence in France, where approximately 95% of its employees are located. The company specializes in the collection and transformation of organic materials into energy and sustainable raw materials. SARIA France serves various businesses and organizations aiming to enhance their sustainability initiatives and reduce waste. By focusing on innovative solutions, SARIA plays a crucial role in promoting a circular economy, effectively turning organic waste into valuable resources. The company operates under the larger umbrella of the Rethmann Group, which is recognized for its expertise in environmental services, logistics, and bio-industries. SARIA France employs around 311 individuals, reflecting its substantial operational capacity in the waste management sector.

12. Orgaworld Nederland BV

• Website: orgaworld.nl
• Ownership type: Private
• Headquarters: Amersfoort, Utrecht, Netherlands
• Founded year: 2000
• Headcount: 51-200
• LinkedIn: orgaworld-b.v.

Orgaworld Nederland BV, founded in 2000 and based in Amersfoort, Utrecht, is a private waste management company that specializes in the processing of organic waste. With a workforce of 51-200 employees, Orgaworld develops and operates recycling plants that transform organic waste into green energy and various bio-based agricultural products. The company serves a range of clients, including municipalities and businesses, providing them with efficient waste management solutions that support sustainability initiatives. Orgaworld has established itself as a key player in the organic waste processing industry, utilizing advanced technologies and innovative practices to maximize the recovery of resources from organic waste. Their operations extend beyond the Netherlands, with international activities in Canada and partnerships in the UK, showcasing their ambition to expand their expertise globally. Orgaworld's commitment to continuous improvement and environmental performance positions them as a significant contributor to the circular economy.

13. ReFood UK

• Website: refood.co.uk
• Ownership type: Private
• Headquarters: Doncaster, England, United Kingdom (UK)
• Employee distribution: United Kingdom (UK) 100%
• Founded year: 2009
• Headcount: 51-200
• LinkedIn: refood-uk

ReFood UK, founded in 2009 and based in Doncaster, England, is a private waste management company focused on food waste recycling and renewable energy generation. With a workforce of around 63 employees, ReFood provides essential services to businesses and organizations, helping them manage food waste sustainably. The company operates a national collection service, utilizing advanced anaerobic digestion technology to convert food waste into renewable energy and bio-fertiliser. In recent years, ReFood has made significant strides in reducing carbon emissions and promoting sustainability, having generated 48 million kWh of energy and diverted over 200,000 tonnes of food waste from landfills. Their operations are supported by a network of facilities across the UK, including plants in Doncaster, Widnes, and London, which enhance their capacity to serve various sectors, including hospitality, education, and local authorities.

14. Weltec Biopower

• Website: weltec-biopower.com
• Ownership type: Private Equity
• Headquarters: Vechta, Lower Saxony, Germany
• Employee distribution: Germany 94%, United Kingdom (UK) 6%
• Latest funding: October 2023
• Founded year: 2001
• Headcount: 51-200
• LinkedIn: weltec-biopower-gmbh

Weltec Biopower, founded in 2001 and based in Vechta, Lower Saxony, Germany, is a biogas technology provider that specializes in the construction and operation of biogas and biomethane plants. The company serves a variety of sectors, including waste management, agriculture, and food processing, offering solutions that effectively convert organic waste into renewable energy. With a workforce of approximately 66 employees, Weltec has established a significant presence in the industry, having implemented over 350 energy plants in more than 25 countries across five continents. Their services include not only plant construction but also ongoing maintenance and energy contracting, ensuring that clients can optimize their energy production from organic waste. Weltec's focus on sustainable energy solutions positions them as a relevant player in the organic waste to energy sector.

15. BTS Biogas

• Website: bts-biogas.com
• Ownership type: Corporate
• Headquarters: Affi, Italy
• Employee distribution: Italy 92%, United Kingdom (UK) 3%, France 3%, Other 3%
• Latest funding: August 2019
• Founded year: 1996
• Headcount: 51-200
• LinkedIn: b-t-s-italia-srl

BTS Biogas, founded in 1996 and based in Affi, Italy, is a corporate entity specializing in renewable energy, particularly in the production of biogas and biomethane. The company designs and manages anaerobic digesters, providing comprehensive technical assistance and biological consulting services to clients in agriculture and waste management. Their solutions are tailored to convert organic waste into clean energy, thereby promoting sustainability and minimizing environmental impact. With a workforce of approximately 106 employees, BTS Biogas operates primarily in Italy, with a small presence in the UK, France, and the USA. The company has developed a reputation for its innovative approaches to waste management and energy production, contributing to the circular economy by recovering value from waste materials. BTS Biogas is actively involved in the construction and management of biogas and biomethane plants, supporting clients from project inception through to operational maintenance. Their commitment to environmental stewardship is evident in their focus on reducing CO2 emissions and enhancing energy efficiency.

16. 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 renewable energy company based in Guildford, England, established in 2010. The company specializes in the production of biomethane through anaerobic digestion, a process that breaks down organic materials in an oxygen-free environment. 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 focus on energy production but also emphasize carbon capture and sustainable farming practices. Future Biogas partners with businesses and farmers to reduce carbon emissions and promote regenerative agriculture, thereby contributing to the decarbonization of both energy and agricultural sectors. Their innovative Project Carbon Harvest aims to develop a new generation of unsubsidized anaerobic digestion plants, further solidifying their role in the organic waste to energy industry.

17. Ductor Corp.

• Website: ductor.com
• Ownership type: Venture Capital
• Headquarters: Helsinki, Uusimaa, Finland
• Latest funding: May 2023
• Founded year: 2009
• Headcount: 11-50
• LinkedIn: ductor-corp-

Ductor Corp., founded in 2009 and based in Helsinki, Finland, is a biotechnology firm that focuses on renewable energy and sustainable agriculture. The company specializes in transforming agricultural waste into biogas and organic fertilizers, catering to clients in both the agriculture and energy sectors. Ductor operates two commercial plants and has several projects in development, showcasing their commitment to addressing environmental challenges through innovative solutions. Their proprietary technology optimizes biogas production by effectively managing nitrogen-rich waste, which has historically posed challenges in the biogas industry. This approach not only enhances energy production but also contributes to sustainable agricultural practices by providing high-quality fertilizers. Ductor's mission is to promote a circular economy by repurposing organic resources, thereby reducing carbon footprints and fostering environmental sustainability.

18. Bia

• Website: biagreen.com
• Ownership type: Private
• Headquarters: Milwaukee, Wisconsin, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2022
• Headcount: 1-10
• LinkedIn: biagreen

Bia is an energy development firm based in Milwaukee, Wisconsin, founded in 2022. The company specializes in waste-to-energy projects, focusing on the conversion of organic waste into valuable resources such as biomethane, electricity, and fertilizer. Bia offers a full suite of services, from project development and design to financing, construction, and long-term operation. Their team has over a decade of experience in developing and operating anaerobic digestion projects, which positions them as knowledgeable players in the field. Bia's commitment to local partnerships and transparent operations enhances their credibility and effectiveness in the industry. They cater to businesses and organizations in agriculture and waste management, providing tailored solutions that meet specific energy needs. With a focus on utilizing the most suitable technology based on feedstock and location, Bia is poised to contribute significantly to sustainable energy solutions.

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 specializes in renewable energy solutions. Founded in 1985, the company has developed a robust business model centered around converting agricultural and industrial waste into green, CO2-neutral biogas. Xergi operates several biogas plants, primarily in Denmark, and is expanding its footprint internationally. The company emphasizes sustainability and community involvement, working closely with local farmers and businesses to create a circular economy. Xergi's operations not only contribute to reducing greenhouse gas emissions but also support local economies by creating jobs and utilizing local resources. Their commitment to research and development in biogas technology positions them as a significant player in the renewable energy sector.

20. Plasco Conversion Technologies

• Website: plascoenergy.com
• Ownership type: Private
• Headquarters: Ottawa, Ontario, Canada
• Founded year: 2005
• Headcount: 11-50
• LinkedIn: plasco-energy-group

Plasco Conversion Technologies, now known as OMNI Conversion Technologies, is a Canadian company based in Ottawa, Ontario, founded in 2005. The firm specializes in waste management and the production of clean fuels, utilizing its proprietary Omni200 system. This innovative technology converts a wide range of waste materials, including municipal solid waste, plastics, and food scraps, into clean fuels like hydrogen and renewable natural gas. OMNI's approach not only mitigates the environmental impact of waste disposal but also supports sustainable energy practices. The company collaborates with municipalities and project developers globally, aiming to facilitate the transition to a circular economy. Their technology has been recognized for its ability to eliminate harmful emissions typically associated with waste incineration, making it a significant player in the waste-to-energy sector.

21. NLC Energy

• Website: nlcenergy.com
• Ownership type: Private
• Headquarters: Denmark, Wisconsin, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2020
• Headcount: 11-50
• LinkedIn: nlc-energy

NLC Energy, based in Denmark, Wisconsin, is a private renewable energy company founded in 2020. The firm specializes in converting organic waste into renewable natural gas and other valuable products through anaerobic digestion. NLC Energy serves various sectors, including agriculture, food and beverage, manufacturing, oil and gas, transportation, and utilities. The company operates its own anaerobic digestion facilities, which process organic waste sourced from farms and food manufacturers. This innovative approach not only helps in waste management but also significantly reduces carbon footprints for its clients. NLC Energy has developed a robust operational framework, allowing it to manage its facilities effectively and ensure compliance with environmental regulations. The company is also notable for being the first anaerobic digester globally to produce beverage-grade liquid carbon dioxide and food-grade dry ice, showcasing its commitment to sustainability and innovation in the renewable energy sector.

22. Convertus Group

• Website: convertusgroup.com
• Ownership type: Venture Capital
• Headquarters: London, Ontario, Canada
• Employee distribution: Canada 92%, United States (USA) 4%, United Kingdom (UK) 4%
• Latest funding: September 2019
• Founded year: 2019
• Headcount: 51-200
• LinkedIn: convertus-canada

Convertus Group, based in London, Ontario, Canada, is a waste management company that specializes in the treatment and recycling of organic waste. Founded in 2019, Convertus has quickly established itself as a key player in the organic waste sector. The company offers a range of services, including composting, anaerobic digestion, and biogas production, aimed at helping municipalities and businesses manage their organic waste sustainably. Convertus operates state-of-the-art facilities that process over 580,000 tonnes of organic waste annually across North America. Their focus on advanced technology and engineering allows them to convert waste into valuable resources such as renewable energy and high-grade compost. By partnering with communities, Convertus aims to minimize environmental impact while promoting a circular economy. Their commitment to education and community engagement further enhances their role in the organic waste management industry.

Organic Waste to Energy Insights: Key Companies

Company	Headquarter	Size	Founded	Ownership
Bioenergy Devco	Annapolis, Maryland, United States (USA)	51-200	2016	Private Equity
Severn Trent Green Power	Chipping Norton, England, United Kingdom (UK)	51-200	2010	Corporate
Bioforcetech Corporation	South San Francisco, California, United States (USA)	11-50	2012	Private
Biogen (UK) Ltd	Bedford, England, United Kingdom (UK)	51-200	2005	Private Equity
Eco Sustainable Solutions Ltd	New Zealand	51-200	1993	Private
Nature Energy	Odense, Denmark	201-500	1979	Corporate
GENeco	Bristol, England, United Kingdom (UK)	51-200	2008	Private
quasar energy group	Cleveland, Ohio, United States (USA)	51-200	2006	Private
PlanET Biogastechnik GmbH	Gescher, North Rhine-Westphalia, Germany	201-500	1998	Corporate
Agraferm GmbH	Pfaffenhofen An Der Ilm, Bavaria, Germany	11-50	2004	Private
SARIA France	Worcester, England, United Kingdom (UK)	1001-5000	1919	Private
Orgaworld Nederland BV	Amersfoort, Utrecht, Netherlands	51-200	2000	Private
ReFood UK	Doncaster, England, United Kingdom (UK)	51-200	2009	Private
Weltec Biopower	Vechta, Lower Saxony, Germany	51-200	2001	Private Equity
BTS Biogas	Affi, Italy	51-200	1996	Corporate
Future Biogas	Guildford, England, United Kingdom (UK)	51-200	2010	Private
Ductor Corp.	Helsinki, Uusimaa, Finland	11-50	2009	Venture Capital
Bia	Milwaukee, Wisconsin, United States (USA)	1-10	2022	Private
Xergi	Denmark	51-200	1985	Corporate
Plasco Conversion Technologies	Ottawa, Ontario, Canada	11-50	2005	Private
NLC Energy	Denmark, Wisconsin, United States (USA)	11-50	2020	Private
Convertus Group	London, Ontario, Canada	51-200	2019	Venture Capital

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