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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.
MacEwen Petroleum Inc. is a Maxville, ON-based company in the Energy and Utilities sector.
Diversified Drilling is a Missoula, MT-based company in the Energy and Utilities sector.
DOT Diamond Core Drilling Inc is a Elyria, OH-based company in the Energy and Utilities sector.
Martinez Concrete Inc is a Sykesville, MD-based company in the Energy and Utilities sector.