Antônio José Monteiro da Fonseca de Queiroz

Empresa Concessionária de Rodovias do Norte SA - Econorte engages in the management, operation, and maintenance of highways in the state of Paraná. It repairs, engineers, and constructs road infrastructure, including overpasses and safety measures, and oversees medical emergency and traffic support. The company was founded on October 8, 1997 and is headquartered in Londrina, Brazil.

Concessionária da Rodovia Osório-Porto Alegre SA - Concepa explores the concession of highway BR-290/RS. Its services include maintenance, monitoring, and toll operation. The company was founded on January 6, 1997 and is headquartered in Santo Antonio da Patrulha, Brazil.

Itiquira Energetica SA is a company that operates a power generation facility. Itiquira Energetica SA is based in Itiquira, Brazil. Itiquira Energetica was founded in 1983 and was acquired by Vattenfall AB from Inepar Energia SA on June 06, 2001.

Part of Companhia Paranaense de Energia, Elejor Centrais Eletricas Do Rio Jordao generates hydroelectric power. The company is based in Curitiba, Brazil.

Concert Technologies SA provides technological solutions. It provides technological solutions to Operational Centers of Power Utilities and Industrial and commercial consumers of electricity, energy, water and gas. The company was founded in 2001 and is headquartered in Belo Horizonte, Brazil.

Part of THP-Triunfo Holding de Participações Ltda., Portonave SA is a Brazilian company that manages port terminal. The company is based in Navegantes, Brazil.