Alto Ingredients Inc (Alto Ingredients) is a producer and distributor of specialty alcohols, renewable fuels, and essential ingredients. The company owns and operates five alcohol production facilities in California, Oregon, Idaho, and Illinois states of the US. Alto Ingredients, with an annual alcohol production capacity of 350 million gallons, including both renewable fuels and specialty alcohols ranging from industrial-, pharmaceutical-, and high-quality food- and beverage-grade alcohols. In 2025, the company marketed and distributed approximately 350 million gallons combined of alcohols as well as fuel-grade ethanol produced by third parties, and around 1.2 million tons of essential ingredients. The company classifies its business operations into three reportable segments: Marketing and Distribution, Pekin Campus production, and Western production. It also generates revenue from corporate and others.