Energy Recovery Associates
Landfill gas company specializing in methane recovery.
EnergyXchange
Western North Carolina nonprofit corporation formed to demonstrate the responsible use of landfill gas as an energy source for small enterprise.
Environomics LLC
Digester design and site management. Consulting: methane and electricity production from manure, on site odor control and the marketing of byproducts.
Gas Separation Technology LLC (GST)
Enriching low quality methane sources such as landfill or coal mine gas by using pressure swing adsorption in combination with natural zeolites.
GBU mbH Biogas and Environmental Technologies
Specializing in turnkey bio-gas plants and environmental technologies including hydraulic mixing anaerobic digesters, adsorption chillers and vacuum cascade evaporators.
Krieg & Fischer Ingenieure GmbH
Planning, construction, operation and optimisation of biogas plants for agricultural, industrial and municipal inputs worldwide.
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