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Petróleo Brasileiro S.A. é uma empresa de capital aberto, cujo acionista majoritário é o Governo do Brasil, sendo, portanto, uma empresa estatal de economia mista.
Munger Oil Information is a Joshua Tree, CA-based company in the Energy and Utilities sector.
Oilmens Equipment Corporation (OEC Corp) is a Spartanburg, SC-based company in the Energy and Utilities sector.
Encana Corporation is a company engaged in hydrocarbon exploration.
Neon Energy Limited is a Bakersfield, CA-based company in the Energy and Utilities sector.