Green Plains, Inc. engages in the production of fuel-grade ethanol and corn oil, the provision of grain handling, and storage commodity marketing and distribution services. The company is headquartered in Omaha, Nebraska and currently employs 902 full-time employees. The company went IPO on 2006-03-15. The firm is focused on the development and utilization of fermentation, agricultural and biological technologies in the processing of annually renewable crops into sustainable value-added ingredients. Its Ethanol production segment includes the production of ethanol, distillers grains, protein and renewable corn oil at eleven ethanol plants in Illinois, Indiana, Iowa, Minnesota, Nebraska and Tennessee. The Agribusiness and Energy Services segment includes grain procurement, with approximately 25.3 million bushels of grain storage capacity, and its commodity marketing business, which markets, sells and distributes the ethanol, distillers grains, protein and renewable corn oil produced at its ethanol plants. Its Partnership segment provides fuel storage and transportation services through owning, operating, developing and acquiring ethanol and fuel storage tanks, terminals, transportation assets and other related assets and businesses.