Marathon Petroleum Corporation, together with its subsidiaries, operates as an integrated downstream energy company primarily in the United States. The company operates through Refining & Marketing, and Midstream segments. The Refining & Marketing segment refines crude oil and other feedstocks at its refineries in the Gulf Coast, Mid-Continent, and West Coast regions of the United States; and purchases refined products and ethanol for resale and distributes refined products, including renewable diesel, through transportation, storage, distribution, and marketing services. Its refined products include transportation fuels, such as reformulated gasolines and blend-grade gasolines; heavy fuel oil; and asphalt. This segment also manufactures propane and petrochemicals. It sells refined products to wholesale marketing customers in the United States and internationally, buyers on the spot market, and independent entrepreneurs who operate primarily Marathon branded outlets, as well as through long-term fuel supply contracts to direct dealer locations primarily under the ARCO brand. The Midstream segment transports, stores, distributes, and markets crude oil and refined products through refining logistics assets, pipelines, terminals, towboats, and barges; gathers, processes, and transports natural gas; and gathers, transports, fractionates, stores, and markets natural gas liquids. Marathon Petroleum Corporation was founded in 1887 and is headquartered in Findlay, Ohio.

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.

Marathon Oil Corporation, an independent exploration and production company, engages in exploration, production, and marketing of crude oil and condensate, natural gas liquids, and natural gas in the United States and internationally. The company also produces and markets products manufactured from natural gas, such as liquefied natural gas and methanol. In addition, it owns and operates Sugarloaf gathering system, a natural gas pipeline. The company was formerly known as USX Corporation and changed its name to Marathon Oil Corporation in December 2001. Marathon Oil Corporation was founded in 1887 and is headquartered in Houston, Texas. As of November 22, 2024, Marathon Oil Corporation operates as a subsidiary of ConocoPhillips.

MGP Ingredients, Inc., together with its subsidiaries, engages in the production and supply of distilled spirits, branded spirits, and food ingredients in the United States and internationally. The company operates through three segments: Distillery Solutions; Branded Spirits; and Ingredient Solutions. The Distillery Solutions segment provides food grade alcohol for beverage applications that include bourbon, rye, whiskeys, as well as grain neutral spirits, include vodka and gin; and food-grade industrial alcohol, which is used as an ingredient in food products, personal care products, cleaning solutions, pharmaceuticals, and various other products. This segment also offers distillery co-products, such as dried distillers' grain, fuel-grade alcohol for blending with gasoline, and corn oil; and provides warehouse services, including barrel put away, barrel storage, and barrel retrieval services, as well as blending services. The Branded Spirits segment provides premium plus, ultra-premium, super premium, premium, mid, and value branded distilled spirits, as well as private label products. The Ingredient Solutions segment provides specialty wheat starches for food applications under the Fibersym, Resistant Starch series, and FiberRite RW Resistant Starch names; specialty wheat proteins for food applications under the Arise and Proterra names; gluten-free textured pea proteins; commodity wheat starch for food and non-food applications; and commodity wheat proteins. It sells its products directly or through distributors to manufacturers and processors of finished packaged goods or to bakeries. The company was founded in 1941 and is based in Atchison, Kansas.

Green Plains Inc. produces low-carbon fuels in the United States and internationally. It operates through three segments: Ethanol Production, Agribusiness and Energy Services, and Partnership. The Ethanol Production segment produces ethanol, distillers grains, and ultra-high protein and renewable corn oil. The Agribusiness and Energy Services segment engages in the grain procurement, handling and storage, commodity marketing business; and trading of ethanol, distiller grains, renewable corn oil, grain, natural gas, and other commodities in various markets. This segment also provides grain drying and storage services to grain producers. The Partnership segment offers fuel storage and transportation services. It operates 24 ethanol storage facilities; two fuel terminal facilities; and a fleet of approximately 2,180 leased railcars. The company was formerly known as Green Plains Renewable Energy, Inc. and changed its name to Green Plains Inc. in May 2014. Green Plains Inc. was incorporated in 2004 and is headquartered in Omaha, Nebraska.

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.

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.

Planet Green Holdings Corp., through its subsidiaries, engages in the production and distribution of brick, black, and green tea products in China and internationally. It also imports and distributes beef and mutton products; manufactures and sells ethanol fuel and fuel additives, including alcohol based clean fuel, liquid wax, arene, and biomass fuel; and produces formaldehyde, urea formaldehyde adhesive, and methylal products, as well as vehicles gasoline and diesel products. In addition, the company manufactures and sells insulation type explosion-proof skid-mounted refueling equipment and SF double-layer buried oil storage tank products. Further, it operates a demand-side platform that allows buyers of digital advertising inventory to manage multiple advertisement exchange and data exchange; and develops and operates various games. The company was formerly known as American Lorain Corporation and changed its name to Planet Green Holdings Corp. in September 2018. Planet Green Holdings Corp. was founded in 1986 and is headquartered in Flushing, New York.