Founded in Vreden in 1998, PlanET Biogas Group GmbH designs, builds and services biogas and biomethane plants, turning agricultural and industrial organic residues into renewable energy. From its headquarters in Gescher, the company combines plant engineering with biological research and technical optimisation, and has completed more than 900 biogas plants and 210 biomethane plants worldwide. More than 400 employees support projects across an international network of subsidiaries.
Qualimétha
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Northern BiogasFounded in 2004 around dairy biogas digesters, Northern Biogas develops, builds, owns and operates facilities that turn organic waste into renewable natural gas. Based in West Virginia and Wisconsin, the company brings decades of experience in anaerobic digestion and natural-gas processing while managing projects through their full lifecycle, from design and construction to operations and maintenance. Its first independently developed and constructed RNG facility reached commercial operation in 2024.MORGANTOWN, WV
Ductor OyDuctor Oy builds, owns and operates facilities that turn high-nitrogen agricultural waste into biogas and organic fertilizers. Its patented biological process recovers nitrogen before digestion, allowing challenging materials such as chicken litter to produce both renewable energy and plant nutrients. The Finnish company has two operating plants, including a commercial facility in Jalisco, Mexico and an add-on plant in Haren, Germany.DAYTON, OH
GruppoGruppo is a renewable natural gas manufacturing company that converts dairy manure into renewable energy. Its long-term initiative targets annual production of 1.2 million MMBTU of renewable natural gas, using manure from approximately 60,000 cows and supporting energy production with a team experienced in waste-to-energy development and facility construction.NEW YORK, NY
AFS Energy SystemsOperating in renewable energy since 1990, AFS Energy Systems is a Lemoyne-based biomass specialist whose founding members bring more than 80 years of combined industry experience. The company has installed more than 150 biomass systems across the United States and Canada, serving industrial and commercial customers with engineered energy systems built around their specific facilities and fuel supplies.LEMOYNE, PA