Green Plains Inc. is primarily engaged in the manufacturing, marketing, and worldwide distribution of ethanol, serving both domestic and international markets. The company's operations are organized into three principal divisions: Ethanol Production, Agribusiness and Energy Services, and Partnership. The Ethanol Production division focuses on creating and selling ethanol, which includes industrial-grade alcohol, along with co-products such as distiller grains, ultra-high protein, and corn oil. The Agribusiness and Energy Services division manages grain procurement, handling, and storage operations. It also encompasses a commodity marketing business that acquires, promotes, sells, and delivers various commodities like ethanol, distiller grains, ultra-high protein, corn oil, raw grain, natural gas, and other goods across diverse markets. Furthermore, this division provides grain drying and storage solutions directly to agricultural producers. The Partnership division is dedicated to offering fuel storage and transportation facilities. As of December 31, 2021, Green Plains Inc. commanded a network comprising 29 ethanol storage facilities, 4 fuel terminal facilities, and a sizable fleet of approximately 2,300 leased railcars. Founded in 2004, the company was initially named Green Plains Renewable Energy, Inc. before adopting its current name, Green Plains Inc., in May 2014. Its corporate headquarters are situated in Omaha, Nebraska.