Enterprise Products Partners L.P. provides midstream energy services to producers and consumers of natural gas, natural gas liquids (NGLs), crude oil, petrochemicals, and refined products. It operates in four segments: NGL Pipelines & Services, Crude Oil Pipelines & Services, Natural Gas Pipelines & Services, and Petrochemical & Refined Products Services. The NGL Pipelines & Services segment offers natural gas processing and related NGL marketing services. It operates natural gas processing facilities located in Colorado, Louisiana, Mississippi, New Mexico, Texas, and Wyoming; NGL pipelines; NGL fractionation facilities; NGL and related product storage facilities; and NGL marine terminals. The Crude Oil Pipelines & Services segment operates crude oil pipelines; and crude oil storage and marine terminals, which include a fleet of approximately 250 tractor-trailer tank trucks that are used to transport crude oil. It also engages in crude oil marketing activities. The Natural Gas Pipelines & Services segment operates natural gas pipeline systems to gather, treat, and transport natural gas. It leases underground salt dome natural gas storage facilities in Napoleonville, Louisiana; owns an underground salt dome storage cavern in Wharton County, Texas; and markets natural gas. The Petrochemical & Refined Products Services segment operates propylene fractionation facilities, including propylene fractionation units and propane dehydrogenation facilities, and related marketing activities; butane isomerization complex and related deisobutanizer operations; and octane enhancement, isobutane dehydrogenation, and high purity isobutylene production facilities. It also operates refined products pipelines and terminals; and ethylene export terminals; and provides refined products marketing and marine transportation services. Enterprise Products Partners L.P. was founded in 1968 and is headquartered in Houston, Texas.

Targa Resources Corp., together with its subsidiary, Targa Resources Partners LP, owns, operates, acquires, and develops a portfolio of complementary domestic midstream infrastructure assets in North America. It operates in two segments, Gathering and Processing, and Logistics and Transportation. The company is involved in gathering, compressing, treating, processing, transporting, and selling natural gas; storing, fractionating, treating, transporting, and selling natural gas liquids (NGL) and NGL products, including services to liquefied petroleum gas exporters; and gathering, storing, terminaling, purchasing, and selling crude oil. It is also involved in the purchase and resale of NGL products; and sale of propane, as well as provision of related logistics services to multi-state retailers, independent retailers, and other end-users. In addition, the company offers NGL balancing services; and transportation services to refineries and petrochemical companies in the Gulf Coast area, as well as purchases, markets, and resells natural gas. As of December 31, 2023, it leased and managed approximately 605 railcars; 137 tractors; and 6 vacuum trucks and 2 pressurized NGL barges. Targa Resources Corp. was incorporated in 2005 and is headquartered in Houston, Texas.

YPF Sociedad Anónima, an energy company, engages in the oil and gas upstream and downstream activities in Argentina. Its upstream operations include the exploration, exploitation, and production of crude oil, and natural gas. The company's downstream operations include petrochemical production and crude oil refining; transportation and distribution refined and petrochemical products; commercialization of crude oil, petrochemical products, and specialties. Its gas and power operations include transportation, commercialization, and distribution of natural gas; operation of regasification terminals; conditioning, processing, and separation of natural gas; and power generation. The company had interests in oil and gas fields. It also had a retail distribution network and retail service stations. In addition, the company owns and operates refineries, as well as maintains terminal facilities Argentine ports. Further, it participates in power generation plants; offers diesel, fertilizers, lubricants, phytosanitary products, and ensiling bags; and supplies diesel, gasoline, fuel oil, coal, asphalts, paraffin, and sulfur, CO2, decanted oil, and aromatic extract. The company was incorporated in 1977 and is based in Buenos Aires, Argentina.

National Fuel Gas Company operates as a diversified energy company. It operates through four segments: Exploration and Production, Pipeline and Storage, Gathering, and Utility. The Exploration and Production segment explores for, develops, and produces natural gas and oil. The Pipeline and Storage segment provides interstate natural gas transportation services through an integrated gas pipeline system in Pennsylvania and New York; and storage services through its underground natural gas storage fields. This segment also transports and stores natural gas for National Fuel Gas Distribution Corporation, as well as for utilities, industrial companies, and power producers in New York State. The Gathering segment builds, owns, and operates gathering facilities in the Appalachian region, as well as provides gathering services to Seneca. The Utility segment sells natural gas to retail customers; and provides natural gas utility services to various customers in Buffalo, Niagara Falls, and Jamestown, New York, as well as in Erie and Sharon, Pennsylvania. National Fuel Gas Company was incorporated in 1902 and is headquartered in Williamsville, New York.

UGI Corporation, together with its subsidiaries, distributes, stores, transports, and markets energy products and related services in the United States and internationally. The company operates through four segments: AmeriGas Propane, UGI International, Midstream & Marketing, and UGI Utilities. It distributes propane to approximately 1.3 million residential, commercial/industrial, motor fuel, agricultural, and wholesale customers through 1,400 propane distribution locations. The company distributes liquefied petroleum gases (LPG) to residential, commercial, industrial, agricultural, wholesale and automobile fuel customers; and provides logistics, storage, and other services to third-party LPG distributors. In addition, it engages in the retail sale of natural gas, liquid fuels, and electricity to approximately 12,400 residential, commercial, and industrial customers at 42,000 locations. Further, the company distributes natural gas to approximately 677,000 customers in eastern and central Pennsylvania counties through its distribution system of approximately 12,500 miles of gas mains; and supplies electricity to approximately 62,600 customers in northeastern Pennsylvania through 2,560 miles of lines and 14 substations. Additionally, it operates electric generation facilities, which include coal-fired, landfill gas-fueled, solar-powered, and natural gas-fueled facilities; a natural gas liquefaction, storage, and vaporization facility; propane storage and propane-air mixing stations; and rail transshipment terminals. It manages natural gas pipeline and storage contracts; develops, owns, and operates pipelines, gathering infrastructure, and gas storage facilities. UGI Corporation was incorporated in 1882 and is headquartered in King of Prussia, Pennsylvania.

Pampa Energía S.A. operates as an integrated power company in Argentina. The company operates through Electricity Generation, Oil and Gas, Petrochemicals, and Holding and Other Business segments. It generates electricity through thermal plants, hydroelectric plants, and wind farms with a 5,332 megawatt (MW) installed capacity. The company also explores for and produces oil and gas in the provinces of Neuquén and Río Negro. In addition, it produces petrochemicals, such as styrene, synthetic rubber, and polystyrene. Further, the company operates and maintains a 22,391 km high-voltage electricity transmission network in Argentina. Additionally, it holds a concession for the transportation of natural gas with 9,248 km of gas pipelines in the center, west, and south of Argentina; and processes and sells natural gas liquids in Bahía Blanca in the Province of Buenos Aires, as well as offers related advisory services. The company was formerly known as Pampa Holding S.A. and changed its name to Pampa Energía S.A. in September 2008. Pampa Energía S.A. was incorporated in 1945 and is based in Buenos Aires, Argentina.

Central Puerto S.A. engages in the electric power generation in Argentina. It operates in four segments: Electric Power Generation from Conventional Sources, Electric Power Generation from Renewable Sources, Natural Gas Transport and Distribution, and Forest Activity. The company generates energy through combined cycle, gas and steam turbines, co-generation, hydroelectric, wind turbines, and solar panels. It also engages in the natural gas transport and distribution; forestry; and mining businesses. Central Puerto S.A. was incorporated in 1992 and is based in Buenos Aires, Argentina.

Tellurian Inc. engages in the natural gas business worldwide. It operates through three segments: The Upstream, The Midstream, and The Marketing & Trading. The company produces, gathers, purchases, sells, and delivers natural gas; acquires and develops natural gas assets; and develops, constructs, and operates liquefied natural gas terminals and pipelines. The company was incorporated in 1957 and is headquartered in Houston, Texas.