Union Pacific Corporation, through its subsidiary, Union Pacific Railroad Company, operates in the railroad business in the United States. The company offers transportation services for grain and grain products, fertilizers, food and refrigerated products, and coal and renewables to grain processors, animal feeders, ethanol producers, renewable biofuel producers, and other agricultural users; and construction products, industrial chemicals, plastics, forest products, specialized products, metals and ores, petroleum, liquid petroleum gases, soda ash, and sand, as well as finished automobiles, automotive parts, and merchandise in intermodal containers. Union Pacific Corporation was founded in 1862 and is headquartered in Omaha, Nebraska.

Valero Energy Corporation manufactures, markets, and sells petroleum-based and low-carbon liquid transportation fuels and petrochemical products in the United States, Canada, the United Kingdom, Ireland, Latin America, Mexico, Peru, and internationally. It operates through three segments: Refining, Renewable Diesel, and Ethanol. The company produces California Reformulated Gasoline Blendstock for Oxygenate Blending and Conventional Blendstock for Oxygenate Blending gasolines, CARB diesel, diesel, jet fuel, heating oil, and asphalt; feedstocks; aromatics; sulfur and residual fuel oil; intermediate oils; and sulfur, sweet, and sour crude oils. It sells its refined products through wholesale rack and bulk markets; and through outlets under the Valero, Beacon, Diamond Shamrock, Shamrock, Ultramar, and Texaco brands. The company owns and operates renewable diesel and ethanol plants, as well as produces renewable diesel and naphtha under the Diamond Green Diesel brand name. In addition, it offers ethanol and various co-products, including dry distiller grains, syrup, and inedible distillers corn oil to animal feed customers. The company was formerly known as Valero Refining and Marketing Company and changed its name to Valero Energy Corporation in August 1997. Valero Energy Corporation was founded in 1980 and is headquartered in San Antonio, Texas.

The Andersons, Inc. operates in trade, renewables, and nutrient and industrial sectors in the United States, Canada, Mexico, Egypt, Switzerland, and internationally. It operates through three segments: Trade, Renewables, and Nutrient & Industrial. The company's Trade segment operates grain elevators; stores commodities; and provides grain marketing, risk management, and origination services, as well as sells commodities, such as corn, soybeans, wheat, oats, ethanol, and corn oil. This segment also engages in the commodity merchandising business, as well as offers logistics for physical commodities, such as whole grains, grain products, feed ingredients, domestic fuel products, and other agricultural commodities. Its Renewables segment produces, purchases, and sells ethanol, and co-products, as well as offers facility operations, risk management, and marketing services to the ethanol plants it invests in and operates. The company's Nutrient & Industrial segment manufactures, distributes, and retails agricultural and related plant nutrients, liquid industrial products, corncob-based products, and pelleted lime and gypsum products, as well as turf fertilizer, pesticide, and herbicide products; and crop nutrients, crop protection chemicals, and seed products, as well as provides application and agronomic services to commercial and family farmers. In addition, this segment produces corncob-based products for laboratory animal bedding and private-label cat litter, as well as absorbents, blast cleaners, carriers, and polishers; professional lawn care products for golf course and turf care markets; fertilizer and weed, and pest control products; dry and liquid agricultural nutrients, pelleted lime, gypsum, and soil amendments; and micronutrients, as well as industrial products comprising nitrogen reagents, calcium nitrate, deicers, and dust abatement products. The Andersons, Inc. was founded in 1947 and is based in Maumee, Ohio.

REX American Resources Corporation, together with its subsidiaries, produces and sells ethanol in the United States. The company also offers corn, distillers grains, ethanol, distillers corn oil, gasoline, and natural gas. In addition, it provides dry distillers grains with solubles, which is used as a protein in animal feed. The company was formerly known as REX Stores Corporation and changed its name to REX American Resources Corporation in 2010. REX American Resources Corporation was founded in 1980 and is headquartered in Dayton, Ohio.

Gevo, Inc. operates as a carbon abatement company. It operates through three segments: Gevo, Agri-Energy, and Renewable Natural Gas. The company focuses on transforming renewable energy into energy-dense liquid hydrocarbons that can be used as renewable fuels. It offers renewable gasoline and diesel, isobutanol, sustainable aviation fuel, renewable natural gas, isobutylene, ethanol, and animal feed and protein. The company was formerly known as Methanotech, Inc. and changed its name to Gevo, Inc. in March 2006. Gevo, Inc. was incorporated in 2005 and is headquartered in Englewood, Colorado.

Alto Ingredients, Inc. produces, distributes, and markets specialty alcohols, renewable fuel, and essential ingredients in the United States. The company operates in three segments: Marketing and Distribution, Pekin Campus Production, and Western Production. It offers specialty alcohols used in mouthwash, cosmetics, pharmaceuticals, hand sanitizers, disinfectants, and cleaners for health, home, and beauty markets; grain neutral spirits used in alcoholic beverages and vinegar, as well as corn germ used in corn oils in the food and beverage markets; alcohols and other products for paint applications and fertilizers in the industrial and agriculture markets; and essential ingredients include dried yeast, corn protein meal, corn protein feed, distiller's grains, and liquid feed for commercial animal feed and pet food applications, as well as yeast for human consumption. The company also provides 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, it offers transportation, storage, and delivery services through third-party service providers. The company sells ethanol to integrated oil companies and gasoline marketers; essential ingredient feed products to dairies and feedlots; and corn oil to poultry, renewable diesel, and biodiesel customers. It operates alcohol production facilities. 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 Pekin, Illinois.

Aemetis, Inc. operates as a renewable natural gas and renewable fuels company. It operates through three segments: California Ethanol, California Dairy Renewable Natural Gas, and India Biodiesel. The company focuses on the operation, acquisition, development, and commercialization of technologies to produce low and negative carbon intensity renewable fuels that replace fossil-based products. In addition, it produces and sells ethanol; and wet distillers grains, distillers corn oil, and condensed distillers solubles to dairies and feedlots as animal feed. Further, the company markets and supplies USP alcohol and hand sanitizer; and produces renewable natural gas, as well as distilled biodiesel from various vegetable oil and animal waste feedstocks. Additionally, it researches and develops conversion technologies using waste feedstocks to produce biofuels and biochemicals. Furthermore, it sells biodiesel primarily to government oil marketing companies. Aemetis, Inc. is headquartered in Cupertino, California.

CHS Inc., an integrated agricultural company, engages in the provision of grain, food, agronomy, and energy resources to businesses and consumers worldwide. It processes and sells medium-and high-sulfur crude oil into refined petroleum products that primarily include gasoline, diesel fuel, asphalt, and petroleum coke; processes crude oil to produce refined products that consist of gasoline, diesel fuel and other distillates, asphalt, petroleum coke, and other products; and processes low-and medium-sulfur crude oil and heavy-sulfur crude oil into gasoline, diesel fuel, and other distillates, petroleum coke, and other products. The company also owns and leases a fleet of liquid and pressure trailers and tractors, which transport refined fuels, propane, anhydrous ammonia, and other products. In addition, it processes and markets grains and oilseeds and offers seeds, crop nutrients, crop protection products, animal feed, animal health products, refined and renewable fuels, as well as refined oils, meal, soy flour, and processed sunflower products. Further, it produces and distributes edible oil-based products. CHS Inc. was formerly known as Cenex Harvest States Cooperatives and changed its name to CHS Inc. in August 2003. The company was founded in 1931 and is based in Inver Grove Heights, Minnesota.