Kinder Morgan, Inc. operates as an energy infrastructure company primarily in North America. The company operates through Natural Gas Pipelines, Products Pipelines, Terminals, and CO2 segments. The Natural Gas Pipelines segment owns and operates interstate and intrastate natural gas pipeline, and storage systems; natural gas gathering systems and natural gas processing and treating facilities; natural gas liquids fractionation facilities and transportation systems; and liquefied natural gas gasification, liquefaction, and storage facilities. The Products Pipelines segment owns and operates refined petroleum products, and crude oil and condensate pipelines; and associated product terminals and petroleum pipeline transmix facilities. The Terminals segment owns and/or operates liquids and bulk terminals that stores and handles various commodities, including gasoline, diesel fuel, renewable fuel and feedstocks, chemicals, ethanol, metals, and petroleum coke; and owns tankers. The CO2 segment produces, transports, and markets CO2 to recovery and production crude oil from mature oil fields; owns interests in/or operates oil fields and gasoline processing plants; and operates a crude oil pipeline system in West Texas, as well as owns and operates RNG and LNG facilities. It owns and operates approximately 82,000 miles of pipelines and 139 terminals. The company was formerly known as Kinder Morgan Holdco LLC and changed its name to Kinder Morgan, Inc. in February 2011. Kinder Morgan, Inc. was founded in 1997 and is headquartered in Houston, Texas.

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.

Phillips 66 operates as an energy manufacturing and logistics company in the United States, the United Kingdom, Germany, and internationally. It operates through four segments: Midstream, Chemicals, Refining, and Marketing and Specialties (M&S). The Midstream segment transports crude oil and other feedstocks; delivers refined petroleum products to market; provides terminaling and storage services for crude oil and refined petroleum products; transports, stores, fractionates, exports, and markets natural gas liquids; provides other fee-based processing services; and gathers, processes, transports, and markets natural gas. The Chemicals segment produces and markets ethylene and other olefin products; aromatics and styrenics products, such as benzene, cyclohexane, styrene, and polystyrene; and various specialty chemical products, including organosulfur chemicals, solvents, catalysts, and chemicals used in drilling and mining. The Refining segment refines crude oil and other feedstocks into petroleum products, such as gasolines, distillates, aviation, and renewable. The M&S segment purchases for resale and markets refined petroleum products, including gasolines, distillates, and aviation fuels. This segment also manufactures and markets specialty products, such as base oils and lubricants. Phillips 66 was founded in 1875 and is headquartered in Houston, Texas.

Sunoco LP, together with its subsidiaries, distributes and retails motor fuels in the United States. It operates through two segments: Fuel Distribution and Marketing, and All Other. The Fuel Distribution and Marketing segment purchases motor fuel, as well as other petroleum products, such as propane and lubricating oil from independent refiners and oil companies and supplies it to company-operated retail stores, independently operated commission agents, and retail stores, as well as other commercial customers, including unbranded retail stores, other fuel distributors, school districts, municipalities, and other industrial customers. It owns and operates retail stores under the APlus and Aloha Island Mart brand names; and offers food, beverages, snacks, grocery and non-food merchandise, motor fuels, and other services. The All Other segment includes partnership credit card services, franchise royalties, and retail operations; and offers credit card processing, car washes, lottery, automated teller machines, money order, prepaid phone cards, and wireless services. The company was formerly known as Susser Petroleum Partners LP and changed its name to Sunoco LP in 2014. Sunoco LP was founded in 1886 and is headquartered in Dallas, Texas.

HF Sinclair Corporation operates as an independent energy company. The company produces and markets gasoline, diesel fuel, jet fuel, renewable diesel, specialty lubricant products, specialty chemicals, specialty and modified asphalt, and others. It owns and operates refineries located in Kansas, Oklahoma, New Mexico, Utah, Washington, and Wyoming; and markets its refined products principally in the Southwest United States and Rocky Mountains, Pacific Northwest, and in other neighboring Plains states. In addition, the company supplies fuels to approximately 1,500 independent Sinclair branded stations and licenses the use of the Sinclair brand at approximately 300 additional locations. Further, it produces base oils and other specialized lubricants; and provides petroleum product and crude oil transportation, terminalling, storage, and throughput services to the petroleum sector. HF Sinclair Corporation is headquartered in Dallas, Texas.

Plains GP Holdings, L.P., through its subsidiary, Plains All American Pipeline, L.P., owns and operates midstream infrastructure systems in the United States and Canada. It operates in two segments, Crude Oil and Natural Gas Liquids (NGLs). The company engages in the gathering and transporting crude oil and NGLs using pipelines, gathering systems, and trucks. It engages in the loading and unloading services at terminals; NGL fractionation and isomerization services; and natural gas and condensate processing services. The company offers logistics services to producers, refiners, and other customers. PAA GP Holdings LLC operates as a general partner of the company. Plains GP Holdings, L.P. was incorporated in 2013 and is headquartered in Houston, Texas.

PBF Energy Inc., through its subsidiaries, engages in refining and supplying petroleum products. The company operates in two segments, Refining and Logistics. It produces gasoline, ultra-low-sulfur diesel, heating oil, diesel fuel, jet fuel, lubricants, petrochemicals, and asphalt, as well as unbranded transportation fuels, petrochemical feedstocks, blending components, and other petroleum products from crude oil. The company sells its products in Northeast, Midwest, Gulf Coast, and West Coast of the United States, as well as in other regions of the United States, Canada, Mexico, and internationally. It is also involved in the provision of various rail, truck, and marine terminaling services, as well as pipeline transportation and storage services. The company was founded in 2008 and is based in Parsippany, New Jersey.

Delek US Holdings, Inc. engages in the integrated downstream energy business in the United States. The company operates through Refining, Logistics, and Retail segments. The Refining segment processes crude oil and other feedstock for the manufacture of various grades of gasoline, diesel fuel, aviation fuel, asphalt, and other petroleum-based products that are distributed through owned and third-party product terminal. It owns and operates refineries located in Tyler, Texas; El Dorado, Arkansas; Big Spring, Texas; and Krotz Springs, Louisiana, as well as biodiesel facilities in Crossett, Arkansas, Cleburne, Texas, and New Albany, Mississippi. The Logistics segment gathers, transports, and stores crude oil, intermediate, and refined products; and markets, distributes, transports, and stores refined products, as well as disposes and recycles water for third parties. It owns or leases crude oil transportation pipelines, refined product pipelines, crude oil gathering systems, and associated crude oil storage tanks; and owns and operates light product distribution terminals, as well as markets light products using third-party terminals. The Retail segment owns and leases convenience store sites located primarily in West Texas and New Mexico. Its convenience stores offer various grades of gasoline and diesel under the DK or Alon brand; and food products and service, tobacco products, non-alcoholic and alcoholic beverages, and general merchandise, as well as money orders to the public primarily under the 7-Eleven and DK or Alon brand names. It serves oil companies, independent refiners and marketers, jobbers, distributors, utility and transportation companies, government, and independent retail fuel operators. Delek US Holdings, Inc. was founded in 2001 and is headquartered in Brentwood, Tennessee.