Montauk Renewables Inc is a renewable energy company. It specializes in the recovery and processing of biogas from landfills and other non-fossil fuel sources for beneficial use as a replacement for fossil fuels. The firm develops, owns, and operates RNG projects that supply renewable fuel into the transportation and electrical power sectors. Montauk operates in two segments namely Renewable Natural Gas and Renewable Electricity Generation. It generates a majority of its revenue from the Renewable Natural Gas segment.