Cleantech Biofuels, Inc., a development stage company, focuses on providing cellulosic biomass derived from municipal solid waste (MSW) in the United States and Canada. It intends to design and build a biomass recovery plant to offer biomass feedstock for producing energy and other chemical products; and provide recyclables, such as metals, plastics, and glass from the MSW. The company was founded in 2004 and is based in St. Louis, Missouri.