Renewable Energy Group, Inc. Common Stock, also called Renewable Energy Group, is a holding company, which engages in the production and trade of biofuel and renewable chemicals. Read More It operates through the following segments: Biomass-based Diesel and Services. The Biomass-based Diesel segment processes waste vegetable oils, animal fats, virgin vegetable oils and other feedstocks and methanol into biomass-based diesel. The Services segment offers services for managing the construction of biomass-based diesel production facilities and managing ongoing operations of third party plants and collects fees related to the services provided. The company was founded in August 2006 and is headquartered in Ames, IA. The listed name for REGI is Renewable Energy Group, Inc. Common Stock.