Alto Ingredients, Inc. produces and markets specialty alcohols and essential ingredients in the United States. It operates in two segments, Production and Marketing. The company offers specialty alcohols used in mouthwash, cosmetics, pharmaceuticals, hand sanitizers, disinfectants, and cleaners; alcoholic beverages, flavor extracts, and vinegar, as well as corn germ used for corn oils and carbon dioxide. It also provides essential ingredients, such as dried yeast, corn gluten meal, corn gluten feed, distillers grains, and liquid feed used in commercial animal feed and pet food; and fuel-grade ethanol used as transportation fuel and distillers corn oil used as a biodiesel feedstock, as well as fuel-grade ethanol produced by third parties. In addition, the company offers transportation, storage, and delivery services through third-party service providers. It sells ethanol to integrated oil companies and gasoline marketers; essential ingredient feed products to dairies and feedlots; and corn oil to poultry and biodiesel customers. The company operates seven ethanol production facilities, including three plants in the Midwestern states of Illinois; and four plants located in the Western states of California, Oregon, and Idaho. The company was formerly known as Pacific Ethanol, Inc. and changed its name to Alto Ingredients, Inc. in January 2021. Alto Ingredients, Inc. was founded in 2003 and is headquartered in Sacramento, California.