Green Plains Renewable Energy, Inc. engages in the production, marketing, and distribution of ethanol in the United States. It operates in four segments: Ethanol Production, Corn Oil Production, Agribusiness, and Marketing and Distribution. It produces ethanol and co-products, such as wet, modified wet, or dried distillers grains, as well as extracts non-edible corn oil used as feedstock for biodiesel, livestock feed additives, rubber substitutes, rust preventatives, inks, textiles, soaps, and insecticides. The company also engages in the agribusiness, including buying and selling bulk grain primarily corn and soybeans to grain processing companies and livestock producers, as well as providing grain drying and storage services to these producers. In addition, it markets and provides logistical services for ethanol and other commodities for third-party producers; and owns and operates biofuel holding tanks and terminals, as well as provides terminaling, splash blending, and logistics solutions. The company was founded in 2004 and is headquartered in Omaha, Nebraska.