Carlos Pedro Jens

CESP - Companhia Energética de São Paulo engages in the generation, sale, and commercialization of electricity. The firm operates hydroelectric power plants with generating units located in the basins of Paraná River and Paraíba do Sul River. It sells its energy in the regulated contracting market, free contracting market, and electric energy trading board. The company was founded on December 5, 1966 and is headquartered in Pedreira, Brazil.

Etesco Construções e Comércio Ltda provides services in water and sewer, oil and gas, highways, drainage systems, and civil works. The firm specializes in oil and gas support, production and drilling activities. Its services include water network management, pipe network replacement, water and sewage treatment, operation of toll roads, dredging, and water network performance testing. The company was founded in 1956 and is headquartered in São Paulo, Brazil.

Eletropaulo Metropolitana Eletricidade de Sao Paulo SA engages in the distribution of electric energy. It operates as a concessionaire of electric power utility service. The company was founded on September 8, 1971 and is headquartered in Sao Paulo, Brazil.