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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.
The Greentech company providing next generation, natural solutions, for immediate progression towards carbon neutrality.
Renegade Oil & Gas Ltd. is a Calgary, AB-based company in the Energy & Utilities sector.
Universal Well Services Inc is a Meadville, PA-based company in the Energy and Utilities sector.