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 Western 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 Western Production segment covers the production and sale of renewable fuel and essential ingredients produced at two western production facilities. The company was founded by William L. Jones and Neil M. Koehler on January 30, 2003, and is headquartered in Pekin, IL.