Alto Ingredients, Inc. engages in the production and marketing of specialty alcohols and essential ingredients. It operates through the following segments: Marketing and Distribution, Pekin Production, and Other Production. The Marketing and Distribution segment includes marketing and merchant trading for company-produced alcohols and essential ingredients, on an aggregated basis, and third-party fuel-grade ethanol. The Pekin Campus Production segment deals with the production and sale of alcohols and essential ingredients produced at the company's Pekin, Illinois campus. The Other Production segment covers the production and sale of fuel-grade ethanol and essential ingredients produced at all of the company’s other production facilities on an aggregated basis. The company was founded by William L. Jones and Neil M. Koehler on January 30, 2003 and is headquartered in Pekin, IL.