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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.
Tower Energy Group is a Torrance, CA-based company in the Energy and Utilities sector.
SPT Group is a Houston, TX-based company in the Energy and Utilities sector.
Liberty Energy is an oilfield services company that provides stimulation services to optimize well production, as well as integrated alternative fuel and power solutions for remote applications.
Dunedain Multimedia Inc. is a Toronto, ON-based company in the Energy & Utilities sector.