Petróleo Brasileiro S.A. - Petrobras explores, produces, and sells oil and gas in Brazil and internationally. The company operates through three segments: Exploration and Production; Refining, Transportation and Marketing; and Gas and Power. The Exploration and Production segment explores, develops, and produces crude oil, natural gas liquids, and natural gas primarily for supplies to the domestic refineries. The Refining, Transportation and Marketing segment engages in the refining, logistics, transport, acquisition, and exports of crude oil; and production of fertilizers, as well as holding interests in petrochemical companies. The Gas and Power segment is involved in the logistic and trading of natural gas and electricity; transportation and trading of LNG; generation of electricity through thermoelectric power plants; renewable energy businesses; low carbon services; and natural gas processing business, as well as production of biodiesel and its co-products. The company also engages in prospecting, drilling, refining, processing, trading, and transporting crude oil from producing onshore and offshore oil fields, and shale or other rocks, as well as oil products, natural gas, and other liquid hydrocarbons. In addition, it engages in research, development, production, transport, distribution, and trading of energy. Petróleo Brasileiro S.A. - Petrobras was incorporated in 1953 and is headquartered in Rio de Janeiro, Brazil.

Centrais Elétricas Brasileiras S.A. - Eletrobrás, through its subsidiaries, engages in the generation, transmission, and commercialization of electricity in Brazil. The company generates electricity through hydroelectric, thermoelectric, nuclear, wind, and solar plants. As of December 31, 2023, it owned and operated 44 hydroelectric plants with a total capacity of 42,293.5 megawatt (MW); 5 thermal plants, including coal and gas power generation units with a total installed capacity of 1,632 MW; and two nuclear power plants comprising Angra 1 with an installed capacity of 657 MW and Angra 2 with an installed capacity of 1350 MW. It also owns and operates 66,539.17 kilometers of transmission lines. The company was incorporated in 1962 and is based in Rio De Janeiro, Brazil.

Companhia Energética de Minas Gerais - CEMIG, through its subsidiaries, engages in the generation, transmission, distribution, and sale of energy in Brazil. As of December 31, 2023, the company operated 57 hydro plants with a total capacity of 5,010.4 MW, 9 wind farms with a total capacity of 175.7 MW, and 2 photovoltaic power stations with a total capacity of 3.9 MW; 344,006 miles of distribution lines; and 4,653 miles of transmission lines. It is also involved in the acquisition, transportation, and distribution of gas and its sub products and derivatives; sale and trading of energy; construction, implementation, operation and maintenance of electricity transmission; marketing and intermediation of energy-related business; and distributed generation, account services, cogeneration, energy efficiency, and supply and storage management activities. The company was incorporated in 1952 and is headquartered in Belo Horizonte, Brazil.

Ultrapar Participações S.A., through its subsidiaries, operates in the energy and infrastructure business in Brazil. The company distributes liquefied petroleum gas to residential, commercial, and industrial consumers. It also operates Stella, a technology platform that connects renewable electric power generators and customers; and transports compressed natural gas. In addition, the company is involved in the distribution and marketing of gasoline, ethanol, diesel, fuel oil, kerosene, natural gas for vehicles, and lubricants; and holds AmPm convenience stores and provides Jet Oil lubricant services. Further, it operates liquid bulk storage terminals. Additionally, the company offers digital payments services, combining the abastece aí app and the loyalty program Km de Vantagens. It also exports its products and services to customers in Europe, the United States, Canada, other Latin American countries, Asia, and internationally. The company was founded in 1937 and is headquartered in São Paulo, Brazil.

Companhia Paranaense de Energia - COPEL engages in the generation, transformation, distribution, and sale of electricity to industrial, residential, commercial, rural, and other customers in Brazil. The company operates through Power Generation and Transmission, Power Distribution, GAS, Power Sale, and Holding and Services segments. It is also involved in the piped natural gas distribution. The company operates hydroelectric, wind, and thermoelectric plants; and owns and operates transmission and distribution lines. It holds concessions to distribute electricity in municipalities in the State of Paraná and in the municipality of Porto União in the State of Santa Catarina. Companhia Paranaense de Energia – COPEL was founded in 1954 and is headquartered in Curitiba, Brazil.

Cosan S.A. engages in the fuel distribution business. It operates through Raízen, Compass, Moove, Rumo, and Radar segments. The company's Raízen segment engages in the production, commercialization, origination, and trading of ethanol, bioenergy, renewable sources, and sugar; trading and resale of electricity; and distribution and commercialization of fuels and lubricants. Its Compass segment distributes piped natural gas to industrial, residential, commercial, automotive, and cogeneration customers; and develops infrastructure projects in a regasification terminal, offshore gas pipeline, and thermal generation projects utilizing natural gas, as well as commercialization of electricity and natural gas. The company's Moove segment produces and distributes lubricants under the Comma brand. Its Rumo segment provides logistics services for rail transportation, port storage, and loading of goods, including grains and sugar; and leases locomotives, wagons, and another railroad equipment, as well as operates containers. The company's Radar segment manages agricultural property. It operates in Brazil, England, France, Spain and Portugal, Argentina, Bolivia, Uruguay and Paraguay, the United States, Asia, and internationally. Cosan S.A. was founded in 1936 and is headquartered in São Paulo, Brazil.

Companhia Siderúrgica Nacional operates as an integrated steel producer in Brazil and Latin America. It operates through five segments: Steel Industry, Mining, Logistics, Energy, and Cement. The company offers flat steel products, such as hot and cold rolled, galvanized, galvalume, pre-painted, and metal sheets products; coil, sheets, and derivatives; tiles and derivatives, pipes, and profiles; long steel products; steel packaging solutions for the food industry; chemical packaging solution; and carbochemical products. It also provides steel cutting services; produces and sells cement; operates railway and port facilities; and generates electric power from its thermoelectric co-generation and hydroelectric power plants. In addition, the company explores for iron ore reserves at Casa de Pedra and Engenho mines located in the city of Congonhas; and limestone and dolomite at the Bocaina mine located in the city of Arcos in the state of Minas Gerais, Brazil, as well as produces tin. Companhia Siderúrgica Nacional was founded in 1941 and is headquartered in São Paulo, Brazil.

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.