José Carlos Aleluia Costa

Barra Energia do Brasil Petroleo e Gas Ltda. operates as an independent oil and gas exploration, development and production company. The firm focuses on petroleum provinces, specifically Southeastern offshore basins. The company was founded by Joao Carlos de Luca and Renato Bertani in May 2010 and is headquartered in Rio de Janeiro, Brazil.

OAS SA is a holding company engaged in the provision of engineering and civil infrastructure construction services. Its projects include highways, railways, docks, airports, power plants, and water treatment facilities. It also undertakes design-build ventures such as hospitals, hotels, commercial centers, sports arenas, and residential spaces. The company was founded by Cesar Mata Pires, Durval Olivieri, and Carlos Suarez in 1976, and is headquartered in Sao Paulo, Brazil.

Novonor engages in infrastructure and energy solutions. Its services include engineering and construction, industry, development and operation of infrastructure and energy projects, creating integrated and innovative solutions that serve both its clients and its communities. The company was founded in 1981and is headquartered in Salvador, Brazil.