Maria das Graças Silva Foster

Cia Brasileira Petroleo Ipiranga SA engages in the trade of petroleum and its derivatives. It distributes diesel, gasoline, hydrated alcohol, industrial and automotive lubricating oils, and greases. The company was founded in 1959 and is headquartered in Rio de Janeiro, Brazil.

Part of Braskem SA, Quattor Químicos Basicos SA is a Brazilian petrochemical company founded in 1972. The private company is based in Santo André, Brazil. The company produces petrochemicals. Quattor Químicos Basicos SA was acquired by Braskem Qpar SA, part of Braskem SA from April 27, 2010 on December 03, 2008 for $41.77 million.

Commit Gás SA engages in distribution of natural gas. The company was founded on April 29, 1976 and is headquartered in Rio de Janeiro, Brazil.

Transportadora Brasileira Gasoduto Bolívia-Brasil SA provides natural gas distribution services. It operates a 2,539 Km long pipeline crossing three regions of Brazil. Its operations are controlled by means of the Supervisory, Control and Data Acquistion System (SCADA), which consist of Programmable Logic Controllers (PLCs) and is located in Rio de Janeiro. It also utilizes the resources of other existing pipelines of the PETROBRAS system located in the states of São Paulo, Paraná, Santa Catarina and Rio Grande do Sul. TBG was founded on 18th April, 1997 and is headquartered in Rio de Janeiro, Brazil.

Rio Polímeros SA produces ethylene, propylene and polyethylene. It offers high density polyethylene resins (HDPE) for use in the production of supermarket bags, grocery bags, bottles for detergents & cleaning products, cosmetics, pharmaceutical, gas hoses, water and drain pipes, fuel tanks for cars, and sunshades. The company was founded in June 2005 and is headquartered in Brooklin Novo, Brazil.

Petrobras Biocombustível SA engages in production of ethanol and bio fuel. Its solutions include research and development in ethanol, biodiesel, and second generation ethanol. The company was founded in 2008 and is headquartered in Rio de Janeiro, Brazil.