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
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
POET, LLCFounded in 1987 with a single bioprocessing facility in Scotland, South Dakota, POET, LLC has grown into a large biofuel producer and bioproduct company headquartered in Sioux Falls. It operates 35 Midwest bioprocessing facilities, converting American-grown grain through biotechnology into bioethanol and other plant-based products. The company also provides engineering, procurement, and construction services through its design and construction team.MARION, OH